PSR Series, FL,FS Datasheet by Littelfuse Inc.

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JJJ LL % litleltuse' Jmuimm \ AW,” mm m
POWR-SPEED® Fuse
littelfuse.com/psr
Rev: 110118
© 2018 Littelfuse POWR-GARD® Products
1 of 21
PSR SERIES HIGH-SPEED SQUARE BODY
Specifications
Voltage Range AC: 550 V - 1300 V
DC: 500 V - 1000 V
Amperage Range 40 A - 2000 A
Interrupting Range AC: 100 kA - 200 kA
DC: 150 kA
Time Constant 10ms
Microswitch Yes
Mounting Flush-End Style
Material Body: Ceramic
Contacts: Plated Brass
Approvals UL 248-13 Recognized (File: E71611)
C-UR-US (File: E71611)
IEC 60269-4 (Class aR)
CCC
Environmental RoHS Compliant, REACH
Operating Temperature -55 C° to +125 C°
Storage Temperature Up to +35 C° with Relative
Humidity <65%
Country of Origin Mexico
Description
Littelfuse PSR Series High-Speed Square Body Fuses are
specially designed for protection of power semiconductor
devices such as diodes, triacs, IGBTs, SCRs, MOSFETs
and other solid state devices that are typically designed
into power conversion and power conditioning equipment.
Variable frequency drives, inverters, UPS, rectifiers and
soft-starters are examples of typical equipment designed
with sensitive power semiconductor devices that cannot
withstand any line surge or overcurrent conditions and
require high-speed protection.
Littelfuse POWR-SPEED® PSR Series products offer
optimized circuit protection at the extremely fast speed
required to protect modern day power conversion devices.
Such products are commonly found in numerous applications
including pulp and paper industries, cranes and heavy-lifting
equipment, processing industries, wastewater treatment
plants and various large factories and MRO facilities.
Features/Benefits
Best in Class DC performance
Extremely current limiting
Superior cycling capability
Global certification cURus, CCC, IEC
Direct bus-bar mount design
Visual and optional microswitch fuse blown indication
Low watt-loss design
Compliance with US and Canadian requirements
Class aR performance according to IEC60269-4
Applications
Power Conversion Devices (UPS, Inverter,
Rectifiers, Drives)
DC Systems (DC Common Bus, DC Injection Braking)
Battery Protection Application (Energy Storage Systems)
Electric Vehicle Charging Stations
Heaters and Power Supplies
Semiconductor Fuses • Flush End • 40 A - 2000 A S
SERIES CASE
SIZE TERMINATION AMPERAGE CATALOG
NUMBER
ORDERING
PART NUMBER
PSR 030 FL 0550 PSR030FL0550 PSR030FL0550Z
Ordering Part Number
Catalog Number
PSR 030 FL 0550 Z
Termination
FL - Flush End Metric Thread
FS - Flush End Inches Thread
Case Size
30, 31, 32, 33, 70, 71, 72,73
Amperage
Series
Packing Quantity
Z = (2-3 Pcs/Box)
Recommended Accessories
Microswitch: MS3H1000C (Case Size 30 to 33)
MS7H1500C (Case Size 70 to 73)
% litleltuse‘
POWR-SPEED® Fuse
littelfuse.com/psr
Rev: 110118
© 2018 Littelfuse POWR-GARD® Products
2 of 21
PSR SERIES HIGH-SPEED SQUARE BODY
Electrical Characteristics
CASE
SIZE*
CATALOG NUMBER
AMPERAGE
RATING (A)
VOLTAGE
RATING (V)
INTERRUPTING
RATING MELTING
(PRE-ARC)
I2T (A2s)
TOTAL
CLEARING
I2T (A2s)
AT RATED
VOLTAGE
WATT LOSS
AT 100%
RATED
CURRENT (W)
AGENCY
CERTIFICATION
FLUSH END
METRIC THREAD
FLUSH END
INCHES THREAD
AC DC AC DC cURus CCC
IEC UL AC DC
30
PSR030FL0040 PSR030FS0040 40 690 700 600 200kA 150kA 76 280 260 12 • •
PSR030FL0050 PSR030FS0050 50 690 700 600 200kA 150k A 110 598 384 15 • •
PSR030FL0063 PSR030FS0063 63 690 700 600 200kA 150kA 176 1023 640 20 • •
PSR030FL0080 PSR030FS0080 80 690 700 600 200kA 150kA 304 1728 1252 24 • •
PSR030FL0100 PSR030FS0100 100 690 700 600 200kA 150k A 437 2835 1575 27 • •
PSR030FL0125 PSR030FS0125 125 690 700 600 200kA 150kA 707 4684 2783 36 • •
PSR030FL0160 PSR030FS0160 160 690 700 600 200kA 150kA 1359 9114 5507 39 • •
PSR030FL0200 PSR030FS0200 200 690 700 600 200kA 150kA 3012 15169 14700 39 • •
PSR030FL0250 PSR030FS0250 250 690 700 600 200kA 150kA 4668 29952 20833 50 • •
PSR030FL0315 PSR030FS0315 315 690 700 600 200kA 150kA 7131 61830 31600 61 • •
PSR030FL0350 PSR030FS0350 350 690 700 600 200kA 150kA 12007 85320 49273 62 • •
PSR030FL0400 PSR030FS0400 400 690 700 600 200kA 150kA 16209 114750 63367 75 • •
PSR030FL0450 PSR030FS0450 450 690 700 600 200kA 150kA 23133 160110 93533 75 • •
PSR030FL0500 PSR030FS0500 500 690 700 600 200kA 150kA 31429 225180 137333 80 • •
PSR030FL0550 PSR030FS0550 550 690 700 600 200kA 150kA 44323 268920 145400 78 • •
31
PSR031FL0200 PSR031FS0200 200 690 700 600 200kA 150kA 1965 17334 16188 49 • •
PSR031FL0250 PSR031FS0250 250 690 700 600 200kA 150kA 3789 35343 21080 52 • •
PSR031FL0315 PSR031FS0315 315 690 700 600 200kA 150kA 6862 59130 30694 61 • •
PSR031FL0350 PSR031FS0350 350 690 700 600 200kA 150kA 9523 76140 40996 63 • •
PSR031FL0400 PSR031FS0400 400 690 700 600 200kA 150kA 14770 124335 64359 63 • •
PSR031FL0450 PSR031FS0450 450 690 700 600 200kA 150kA 22457 178200 97444 68 • •
PSR031FL0500 PSR031FS0500 500 690 700 600 200kA 150kA 29751 251505 125935 74 • •
PSR031FL0550 PSR031FS0550 550 690 700 600 200kA 150kA 42056 289170 171845 79 • •
PSR031FL0630 PSR031FS0630 630 690 700 600 200kA 150kA 73513 507465 276315 86 • •
PSR031FL0700 PSR031FS0700 700 690 700 600 200kA 150kA 98187 601425 337260 89 • •
PSR031FL0800 PSR031FS0800 800 690 700 600 200kA 150k A 137208 848880 502800 107 • •
32
PSR032FL0400 PSR032FS0400 400 690 700 600 200kA 150kA 11104 79650 44533 82 • •
PSR032FL0450 PSR032FS0450 450 690 700 600 200kA 150kA 15535 116100 65463 88 • •
PSR032FL0500 PSR032FS0500 500 690 700 600 200kA 150kA 21573 161460 88277 94 • •
PSR032FL0550 PSR032FS0550 550 690 700 600 200kA 150kA 26327 177660 107960 104 • •
PSR032FL0630 PSR032FS0630 630 690 700 600 200kA 150kA 34790 234900 156963 110 • •
PSR032FL0700 PSR032FS0700 700 690 700 600 200kA 150kA 51191 291870 209287 117 • •
PSR032FL0800 PSR032FS0800 800 690 700 600 200kA 150kA 60125 472770 249000 145 • •
PSR032FL0900 PSR032FS0900 900 690 700 600 200kA 150kA 107785 764100 404000 145 • •
PSR032FL1000 PSR032FS1000 1000 690 700 600 200kA 150kA 190102 933120 672333 146 • •
PSR032FL1100 PSR032FS1100 1100 690 700 600 200kA 150kA 225379 1247400 744000 149 • •
33
PSR033FL0450 PSR033FS0450 450 690 700 600 200kA 150kA 13600 106380 58947 99 • •
PSR033FL0500 PSR033FS0500 500 690 700 600 200kA 150kA 16434 140400 77846 107 • •
PSR033FL0550 PSR033FS0550 550 690 700 600 200kA 150kA 23314 187650 100461 108 • •
PSR033FL0630 PSR033FS0630 630 690 700 600 200kA 150kA 38727 285930 142437 113 • •
PSR033FL0700 PSR033FS0700 700 690 700 600 200kA 150k A 56763 392580 209863 113 • •
PSR033FL0800 PSR033FS0800 800 690 700 600 200kA 150kA 84691 575505 348500 120 • •
PSR033FL0900 PSR033FS0900 900 690 700 600 200kA 150kA 122619 740340 451177 122 • •
PSR033FL1000 PSR033FS1000 1000 690 700 600 200kA 150kA 222350 1170450 787750 124 • •
PSR033FL1100 PSR033FS1100 1100 690 700 600 200kA 150kA 310824 1568700 821400 127 • •
PSR033FL1250 PSR033FS1250 1250 690 700 600 200kA 150k A 476902 2403000 1674333 131 • •
PSR033FL1400 PSR033FS1400 1400 690 700 500 200kA 150kA 583552 2920050 1979750 144 • •
PSR033FL1500 PSR033FS1500 1500 600 650 500 200kA 150kA 674538 2433200 1996733 163 • •
PSR033FL1600 PSR033FS1600 1600 600 650 500 200kA 150kA 779948 2942800 2301633 182 • •
PSR033FL1800 PSR033FS1800 1800 600 650 500 200kA 150kA 952196 3785040 2724180 224 • •
PSR033FL2000 PSR033FS2000 2000 550 600 500 200kA 150kA 1234315 4131600 3755180 222 • •
POWR-SPEED® Fuse
littelfuse.com/psr
Rev: 110118
© 2018 Littelfuse POWR-GARD® Products
3 of 21
PSR SERIES HIGH-SPEED SQUARE BODY
CASE
SIZE*
CATALOG NUMBER
AMPERAGE
RATING (A)
VOLTAGE
RATING (V)
INTERRUPTING
RATING MELTING
(PRE-ARC)
I2T (A2s)
TOTAL
CLEARING
I2T (A2s)
AT RATED
VOLTAGE
WATT LOSS
AT 100%
RATED
CURRENT (W)
AGENCY
CERTIFICATION
FLUSH END
METRIC THREAD
FLUSH END
INCHES THREAD
AC DC AC DC cURus CCC
IEC UL AC DC
70
PSR070FL0050 PSR070FS0050 50 1250 1300 1000 100kA 150kA 177 2050 400 21 • •
PSR070FL0063 PSR070FS0063 63 1250 1300 1000 100kA 150kA 273 3399 900 23 • •
PSR070FL0080 PSR070FS0080 80 1250 1300 1000 100kA 150k A 583 6732 2200 24 • •
PSR070FL0100 PSR070FS0100 100 1250 1300 1000 100kA 150k A 974 10996 3750 29 • •
PSR070FL0125 PSR070FS0125 125 1250 1300 1000 100kA 150kA 1352 13011 5150 43 • •
PSR070FL0160 PSR070FS0160 160 1250 1300 1000 100kA 150kA 2377 25662 8950 51 • •
PSR070FL0200 PSR070FS0200 200 1250 1300 1000 100kA 150k A 4177 39087 17267 61 • •
PSR070FL0250 PSR070FS0250 250 1250 1300 1000 100kA 150kA 8629 89790 36750 71 • •
PSR070FL0280 PSR070FS0280 280 1250 1300 1000 100kA 150k A 11844 113201 46750 71 • •
PSR070FL0315 PSR070FS0315 315 1250 1300 1000 100kA 150kA 18162 142051 66833 69 • •
71
PSR071FL0160 PSR071FS0160 160 1250 1300 1000 100kA 150k A 2756 24600 8800 42 • •
PSR071FL0200 PSR071FS0200 200 1250 1300 1000 100kA 150kA 4918 50307 19050 52 • •
PSR071FL0250 PSR071FS0250 250 1250 1300 1000 100kA 150kA 10592 104427 43100 54 • •
PSR071FL0280 PSR071FS0280 280 1250 1300 1000 100kA 150kA 13763 131897 54150 58
PSR071FL0315 PSR071FS0315 315 1250 1300 1000 100kA 150kA 20882 200244 67450 60 • •
PSR071FL0350 PSR071FS0350 350 1250 1300 1000 100kA 150kA 23301 225500 102500 71 • •
PSR071FL0400 PSR071FS0400 400 1250 1300 1000 100kA 150kA 4 3211 374986 185000 69 • •
PSR071FL0450 PSR071FS0450 450 1250 1300 1000 100kA 150kA 55915 452394 241333 88 • •
72
PSR072FL0250 PSR072FS0250 250 1250 1300 1000 100kA 150kA 7737 72789 28567 63 • •
PSR072FL0280 PSR072FS0280 280 1250 1300 1000 100kA 150k A 10915 124538 46897 62 • •
PSR072FL0315 PSR072FS0315 315 1250 1300 1000 100kA 150kA 16187 145140 58867 67 • •
PSR072FL0350 PSR072FS0350 350 1250 1300 1000 100kA 150kA 18727 160447 69633 80 • •
PSR072FL0400 PSR072FS0400 400 1250 1300 1000 100kA 150kA 27112 243540 108000 89 • •
PSR072FL0450 PSR072FS0450 450 1250 1300 1000 100kA 150k A 35927 406413 159133 107 • •
PSR072FL0500 PSR072FS0500 500 1250 1300 1000 100kA 150kA 50398 425375 216333 115 • •
PSR072FL0550 PSR072FS0550 550 1250 1300 1000 100kA 150kA 73858 539833 271333 115 • •
PSR072FL0630 PSR072FS0630 630 1250 1300 1000 100kA 150kA 126126 942180 436000 119 • •
73
PSR073FL0315 PSR073FS0315 315 1250 1300 1000 100kA 150k A 10245 106600 38650 88 • •
PSR073FL0350 PSR073FS0350 350 1250 1300 1000 100kA 150kA 13586 159627 57467 96 • •
PSR073FL0400 PSR073FS0400 400 1250 1300 1000 100kA 150k A 19797 211273 86800 124 • •
PSR073FL0450 PSR073FS0450 450 1250 1300 1000 100kA 150kA 29834 279073 114333 122 • •
PSR073FL0500 PSR073FS0500 500 1250 1300 1000 100kA 150kA 42751 416437 184500 121 • •
PSR073FL0550 PSR073FS0550 550 1250 1300 1000 100kA 150kA 55513 491713 224500 130 • •
PSR073FL0630 PSR073FS0630 630 1250 1300 1000 100kA 150kA 94649 804338 377500 136 • •
PSR073FL0700 PSR073FS0700 700 1250 1300 1000 100kA 150kA 158097 1170960 575667 135 • •
Electrical Characteristics (cont.)
POWR-SPEED® Fuse
littelfuse.com/psr
Rev: 110118
© 2018 Littelfuse POWR-GARD® Products
4 of 21
PSR SERIES HIGH-SPEED SQUARE BODY
CASE
SIZE
FLUSH END - METRIC THREAD FLUSH END - INCHES THREAD BOX
QUANTITY
PCS/BOX
CATALOG
NUMBER
ORDERING
PART NUMBER UPC CATALOG
NUMBER
ORDERING
PART NUMBER UPC
30
PSR030FL0040 PSR030FL0040Z 07945820436 PSR030FS0040 PSR030FS0040Z 07945820451 3 Pcs/Box
PSR030FL0050 PSR030FL0050Z 07945820437 PSR030FS0050 PSR030FS0050Z 07945820452 3 Pcs/Box
PSR030FL0063 PSR030FL0063Z 07945820438 PSR030FS0063 PSR030FS0063Z 07945820453 3 Pcs/Box
PSR030FL0080 PSR030FL0080Z 07945820439 PSR030FS0080 PSR030FS0080Z 07945820454 3 Pcs/Box
PSR030FL0100 PSR030FL0100Z 07945820440 PSR030FS0100 PSR030FS0100Z 07945820455 3 Pcs/Box
PSR030FL0125 PSR030FL0125Z 07945820441 PSR030FS0125 PSR030FS0125Z 07945820456 3 Pcs/Box
PSR030FL0160 PSR030FL0160Z 07945820442 PSR030FS0160 PSR030FS0160Z 07945820457 3 Pcs/Box
PSR030FL0200 PSR030FL0200Z 07945820443 PSR030FS0200 PSR030FS0200Z 07945820458 3 Pcs/Box
PSR030FL0250 PSR030FL0250Z 07945820444 PSR030FS0250 PSR030FS0250Z 07945820459 3 Pcs/Box
PSR030FL0315 PSR030FL0315Z 07945820445 PSR030FS0315 PSR030FS0315Z 07945820460 3 Pcs/Box
PSR030FL0350 PSR030FL0350Z 07945820446 PSR030FS0350 PSR030FS0350Z 07945820461 3 Pcs/Box
PSR030FL0400 PSR030FL0400Z 07945820447 PSR030FS0400 PSR030FS0400Z 07945820462 3 Pcs/Box
PSR030FL0450 PSR030FL0450Z 07945820448 PSR030FS0450 PSR030FS0450Z 07945820463 3 Pcs/Box
PSR030FL0500 PSR030FL0500Z 07945820449 PSR030FS0500 PSR030FS0500Z 07945820464 3 Pcs/Box
PSR030FL0550 PSR030FL0550Z 07945820450 PSR030FS0550 PSR030FS0550Z 07945820465 3 Pcs/Box
31
PSR031FL0200 PSR031FL0200Z 07945820466 PSR031FS0200 PSR031FS0200Z 07945820477 3 Pcs/Box
PSR031FL0250 PSR031FL0250Z 07945820467 PSR031FS0250 PSR031FS0250Z 07945820478 3 Pcs/Box
PSR031FL0315 PSR031FL0315Z 07945820468 PSR031FS0315 PSR031FS0315Z 07945820479 3 Pcs/Box
PSR031FL0350 PSR031FL0350Z 07945820469 PSR031FS0350 PSR031FS0350Z 07945820480 3 Pcs/Box
PSR031FL0400 PSR031FL0400Z 07945820470 PSR031FS0400 PSR031FS0400Z 07945820481 3 Pcs/Box
PSR031FL0450 PSR031FL0450Z 07945820471 PSR031FS0450 PSR031FS0450Z 07945820482 3 Pcs/Box
PSR031FL0500 PSR031FL0500Z 07945820472 PSR031FS0500 PSR031FS0500Z 07945820483 3 Pcs/Box
PSR031FL0550 PSR031FL0550Z 07945820473 PSR031FS0550 PSR031FS0550Z 07945820484 3 Pcs/Box
PSR031FL0630 PSR031FL0630Z 07945820474 PSR031FS0630 PSR031FS0630Z 07945820485 3 Pcs/Box
PSR031FL0700 PSR031FL0700Z 07945820475 PSR031FS0700 PSR031FS0700Z 07945820486 3 Pcs/Box
PSR031FL0800 PSR031FL0800Z 07945820476 PSR031FS0800 PSR031FS0800Z 07945820487 3 Pcs/Box
32
PSR032FL0400 PSR032FL0400Z 07945820488 PSR032FS0400 PSR032FS0400Z 07945820498 3 Pcs/Box
PSR032FL0450 PSR032FL0450Z 07945820489 PSR032FS0450 PSR032FS0450Z 07945820499 3 Pcs/Box
PSR032FL0500 PSR032FL0500Z 07945820490 PSR032FS0500 PSR032FS0500Z 07945820500 3 Pcs/Box
PSR032FL0550 PSR032FL0550Z 07945820491 PSR032FS0550 PSR032FS0550Z 07945820501 3 Pcs/Box
PSR032FL0630 PSR032FL0630Z 07945820492 PSR032FS0630 PSR032FS0630Z 07945820502 3 Pcs/Box
PSR032FL0700 PSR032FL0700Z 07945820493 PSR032FS0700 PSR032FS0700Z 07945820503 3 Pcs/Box
PSR032FL0800 PSR032FL0800Z 07945820494 PSR032FS0800 PSR032FS0800Z 07945820504 3 Pcs/Box
PSR032FL0900 PSR032FL0900Z 07945820495 PSR032FS0900 PSR032FS0900Z 07945820505 3 Pcs/Box
PSR032FL1000 PSR032FL1000Z 07945820496 PSR032FS1000 PSR032FS1000Z 07945820506 3 Pcs/Box
PSR032FL1100 PSR032FL1100Z 07945820497 PSR032FS1100 PSR032FS1100Z 07945820507 3 Pcs/Box
33
PSR033FL0450 PSR033FL0450Z 07945822163 PSR033FS0450 PSR033FS0450Z 07945822164 3 Pcs/Box
PSR033FL0500 PSR033FL0500Z 07945820508 PSR033FS0500 PSR033FS0500Z 07945820522 3 Pcs/Box
PSR033FL0550 PSR033FL0550Z 07945820509 PSR033FS0550 PSR033FS0550Z 07945820523 3 Pcs/Box
PSR033FL0630 PSR033FL0630Z 07945820510 PSR033FS0630 PSR033FS0630Z 07945820524 3 Pcs/Box
PSR033FL0700 PSR033FL0700Z 07945820511 PSR033FS0700 PSR033FS0700Z 07945820525 3 Pcs/Box
PSR033FL0800 PSR033FL0800Z 07945820512 PSR033FS0800 PSR033FS0800Z 07945820526 3 Pcs/Box
PSR033FL0900 PSR033FL0900Z 07945820513 PSR033FS0900 PSR033FS0900Z 07945820527 3 Pcs/Box
PSR033FL1000 PSR033FL1000Z 07945820514 PSR033FS1000 PSR033FS1000Z 07945820528 3 Pcs/Box
PSR033FL1100 PSR033FL1100Z 07945820515 PSR033FS1100 PSR033FS1100Z 07945820529 3 Pcs/Box
PSR033FL1250 PSR033FL1250Z 07945820516 PSR033FS1250 PSR033FS1250Z 07945820530 3 Pcs/Box
PSR033FL1400 PSR033FL1400Z 07945820517 PSR033FS1400 PSR033FS1400Z 07945820531 3 Pcs/Box
PSR033FL1500 PSR033FL1500Z 07945820518 PSR033FS1500 PSR033FS1500Z 07945820532 3 Pcs/Box
PSR033FL1600 PSR033FL1600Z 07945820519 PSR033FS1600 PSR033FS1600Z 07945820533 3 Pcs/Box
PSR033FL1800 PSR033FL1800Z 07945820520 PSR033FS1800 PSR033FS1800Z 07945820534 3 Pcs/Box
PSR033FL2000 PSR033FL2000Z 07945820521 PSR033FS2000 PSR033FS2000Z 07945820535 3 Pcs/Box
Ordering Information
POWR-SPEED® Fuse
littelfuse.com/psr
Rev: 110118
© 2018 Littelfuse POWR-GARD® Products
5 of 21
PSR SERIES HIGH-SPEED SQUARE BODY
CASE
SIZE
FLUSH END - METRIC THREAD FLUSH END - INCHES THREAD BOX
QUANTITY
PCS/BOX
CATALOG
NUMBER
ORDERING
PART NUMBER UPC CATALOG
NUMBER
ORDERING
PART NUMBER UPC
70
PSR070FL0050 PSR070FL0050Z 07945820536 PSR070FS0050 PSR070FS0050Z 07945820546 2 Pcs/Box
PSR070FL0063 PSR070FL0063Z 07945820537 PSR070FS0063 PSR070FS0063Z 07945820547 2 Pcs/Box
PSR070FL0080 PSR070FL0080Z 07945820538 PSR070FS0080 PSR070FS0080Z 07945820548 2 Pcs/Box
PSR070FL0100 PSR070FL0100Z 07945820539 PSR070FS0100 PSR070FS0100Z 07945820549 2 Pcs/Box
PSR070FL0125 PSR070FL0125Z 07945820540 PSR070FS0125 PSR070FS0125Z 07945820550 2 Pcs/Box
PSR070FL0160 PSR070FL0160Z 07945820541 PSR070FS0160 PSR070FS0160Z 07945820551 2 Pcs/Box
PSR070FL0200 PSR070FL0200Z 07945820542 PSR070FS0200 PSR070FS0200Z 07945820552 2 Pcs/Box
PSR070FL0250 PSR070FL0250Z 07945820543 PSR070FS0250 PSR070FS0250Z 07945820553 2 Pcs/Box
PSR070FL0280 PSR070FL0280Z 07945820544 PSR070FS0280 PSR070FS0280Z 07945820554 2 Pcs/Box
PSR070FL0315 PSR070FL0315Z 07945820545 PSR070FS0315 PSR070FS0315Z 07945820555 2 Pcs/Box
71
PSR071FL0160 PSR071FL0160Z 07945820556 PSR071FS0160 PSR071FS0160Z 07945820564 2 Pcs/Box
PSR071FL0200 PSR071FL0200Z 07945820557 PSR071FS0200 PSR071FS0200Z 07945820565 2 Pcs/Box
PSR071FL0250 PSR071FL0250Z 07945820558 PSR071FS0250 PSR071FS0250Z 07945820566 2 Pcs/Box
PSR071FL0280 PSR071FL0280Z 07945820573 PSR071FS0280 PSR071FS0280Z 07945820582 2 Pcs/Box
PSR071FL0315 PSR071FL0315Z 07945820560 PSR071FS0315 PSR071FS0315Z 07945820568 2 Pcs/Box
PSR071FL0350 PSR071FL0350Z 07945820561 PSR071FS0350 PSR071FS0350Z 07945820569 2 Pcs/Box
PSR071FL0400 PSR071FL0400Z 07945820562 PSR071FS0400 PSR071FS0400Z 07945820570 2 Pcs/Box
PSR071FL0450 PSR071FL0450Z 07945820563 PSR071FS0450 PSR071FS0450Z 07945820571 2 Pcs/Box
72
PSR072FL0250 PSR072FL0250Z 07945820572 PSR072FS0250 PSR072FS0250Z 07945820581 2 Pcs/Box
PSR072FL0280 PSR072FL0280Z 07945820573 PSR072FS0280 PSR072FS0280Z 07945820582 2 Pcs/Box
PSR072FL0315 PSR072FL0315Z 07945820574 PSR072FS0315 PSR072FS0315Z 07945820583 2 Pcs/Box
PSR072FL0350 PSR072FL0350Z 07945820575 PSR072FS0350 PSR072FS0350Z 07945820584 2 Pcs/Box
PSR072FL0400 PSR072FL0400Z 07945820576 PSR072FS0400 PSR072FS0400Z 07945820585 2 Pcs/Box
PSR072FL0450 PSR072FL0450Z 07945820577 PSR072FS0450 PSR072FS0450Z 07945820586 2 Pcs/Box
PSR072FL0500 PSR072FL0500Z 07945820578 PSR072FS0500 PSR072FS0500Z 07945820587 2 Pcs/Box
PSR072FL0550 PSR072FL0550Z 07945820579 PSR072FS0550 PSR072FS0550Z 07945820588 2 Pcs/Box
PSR072FL0630 PSR072FL0630Z 07945820580 PSR072FS0630 PSR072FS0630Z 07945820589 2 Pcs/Box
73
PSR073FL0315 PSR073FL0315Z 07945820590 PSR073FS0315 PSR073FS0315Z 07945820602 2 Pcs/Box
PSR073FL0350 PSR073FL0350Z 07945820591 PSR073FS0350 PSR073FS0350Z 07945820603 2 Pcs/Box
PSR073FL0400 PSR073FL0400Z 07945820592 PSR073FS0400 PSR073FS0400Z 07945820604 2 Pcs/Box
PSR073FL0450 PSR073FL0450Z 07945820593 PSR073FS0450 PSR073FS0450Z 07945820605 2 Pcs/Box
PSR073FL0500 PSR073FL0500Z 07945820594 PSR073FS0500 PSR073FS0500Z 07945820606 2 Pcs/Box
PSR073FL0550 PSR073FL0550Z 07945820595 PSR073FS0550 PSR073FS0550Z 07945820607 2 Pcs/Box
PSR073FL0630 PSR073FL0630Z 07945820596 PSR073FS0630 PSR073FS0630Z 07945820608 2 Pcs/Box
PSR073FL0700 PSR073FL0700Z 07945820597 PSR073FS0700 PSR073FS0700Z 07945820609 2 Pcs/Box
Ordering Information (cont.)
% litleltuse'
POWR-SPEED® Fuse
littelfuse.com/psr
Rev: 110118
© 2018 Littelfuse POWR-GARD® Products
6 of 21
PSR SERIES HIGH-SPEED SQUARE BODY
Dimensions
CHICAGO, ILLINOIS 60631
3RD ANGLE
PROJECTION
5PSR SERIES
Littelfuse
®
REVISION DRWG NO.
TITLE
C
DRW DATE
GRAMS/PIECE
FINISH GOOD WT
myork 1/30/2017
MATL SPEC FINISH
UNLESS OTHERWISE SPECIFIED, DIMENSIONS ARE IN MILLIMETERS, DIMENSIONS IN
BRACKETS [ ] ARE INCHES DIMENSIONING AND DO NOT INCLUDE PLATING. TOLERANCING
TO BE INTERPRETED IN ACCORDANCE WITH ANSI Y14.5M-1994
DENOTES CRITICAL CHARACTERISTICS.
DENOTES CPK DIMENSIONS, -MINIMUM CPK VALUE
DENOTES A CHARACTERISTIC THAT PROVIDES AN INDICATION
OF PROCESS PERFORMANCE. PROCEDURE FOR MEASUREMENT
AND TRACKING TO BE DEFINED IN
LITTELFUSE INSPECTION INSTRUCTIONS.
DENOTES CP DIMENSIONS, -MINIMUM CP VALUE
MUST BE WITHIN THE DIMENSIONAL LIMITATIONS
SHOWN ON DRAWING AND INITIALLY LOCATED TO
ALLOW FOR MAXIMUM TOOL LIFE.
CPK
CP
SHEET 1 OF 1
SCALE
PSR SERIES OUTLINE
NTS
REVISION
REV DATE DESCRIPTION
11/30/17 UNCONTROLLED DOCUMENT MRY
23/1/17 ADD THREAD DIMENSIONS MRY
33/2/17 UPDATE THREAD COLUMN HEADERS MRY
44/24/17 CHANGE 33 DIM A MRY
511/5/18 CHG DIM A, ADD SIZE 31, 70 & 73, ADD NEW VIEW MRY
E
C
BD
G
A
F
DIMENSIONS MM (IN)
CASE SIZE A B C D E F G FL METRIC THREAD FS INCHES THREAD RECOMMENDED
TORQUE
30 49.0-51.0
(1.93-2.01) 43.0 (1.69) 43.0 (1.69) 49.0 (1.93) 17.0 (0.67) 47.4 (1.86) 76.4 (3.01) M8x1.25 5/16"-18 UNC-2B 13-20 Nm
31 49.0-51.0
(1.93-2.01) 51.5 (2.03) 51.5 (2.03) 57.5 (2.26) 20.0 (0.80) 48.2 (1.90) 84.9 (3.34) M8x1.25 5/16"-18 UNC-2B 13-20 Nm
32 50.0-52.0
(1.97-2.05) 60.0 (2.36) 60.0 (2.36) 66.0 (2.60) 23.0 (0.91) 48.8 (1.92) 93.4 (3.68) M10x1.5 3/8"-16 UNC-2B 26-35 Nm
33 50.0-52.0
(1.97-2.05) 73.5 (2.89) 73.5 (2.89) 79.5 (3.13) 30.0 (1.18) 49.2 (1.94) 106.9 (4.21) M12x1.75 1/2"-13 UNC-2B 45-55 Nm
70 73.0-75.0
(2.87-2.95) 43.0 (1.69) 43.0 (1.69) 49.0 (1.93) 17.0 (0.70) 741.4 (2.81) 76.4 (3.01) M8x1.25 5/16"-18 UNC-2B 13-20 Nm
71 73.3-74.7
(2.89-2.94) 51.5 (2.03) 51.5 (2.03) 57.5 (2.26) 20.0 (0.79) 72.2 (2.84) 84.9 (3.34) M8x1.25 5/16"-18 UNC-2B 13-20 Nm
7274.0-76.0
(2.91-2.99) 60.0 (2.36) 60.0 (2.36) 66.0 (2.60) 23.0 (0.91) 72.8 (2.87) 93.4 (3.68) M10x1.5 3/8"-16 UNC-2B 26-35 Nm
73 74.0-76.0
(2.91-2.99) 73.5 (2.89) 73.5 (2.89) 79.5 (3.13) 30.0 (1.18) 73.2 (2.88) 106.9 (4.21) M12x1.75 1/2"-13 UNC-2B 45-55 Nm
FL/FS
VISUAL
INDICATOR
1/4" QC
TERMINAL
M4x0.7 THREAD
10.00 (.394)
STUD LENGTH
CHICAGO, ILLINOIS 60631
3RD ANGLE
PROJECTION
5PSR SERIES
Littelfuse
®
REVISION DRWG NO.
TITLE
C
DRW DATE
GRAMS/PIECE
FINISH GOOD WT
myork 1/30/2017
MATL SPEC FINISH
UNLESS OTHERWISE SPECIFIED, DIMENSIONS ARE IN MILLIMETERS, DIMENSIONS IN
BRACKETS [ ] ARE INCHES DIMENSIONING AND DO NOT INCLUDE PLATING. TOLERANCING
TO BE INTERPRETED IN ACCORDANCE WITH ANSI Y14.5M-1994
DENOTES CRITICAL CHARACTERISTICS.
DENOTES CPK DIMENSIONS, -MINIMUM CPK VALUE
DENOTES A CHARACTERISTIC THAT PROVIDES AN INDICATION
OF PROCESS PERFORMANCE. PROCEDURE FOR MEASUREMENT
AND TRACKING TO BE DEFINED IN
LITTELFUSE INSPECTION INSTRUCTIONS.
DENOTES CP DIMENSIONS, -MINIMUM CP VALUE
MUST BE WITHIN THE DIMENSIONAL LIMITATIONS
SHOWN ON DRAWING AND INITIALLY LOCATED TO
ALLOW FOR MAXIMUM TOOL LIFE.
CPK
CP
SHEET 1 OF 1
SCALE
PSR SERIES OUTLINE
NTS
REVISION
REV DATE DESCRIPTION
11/30/17 UNCONTROLLED DOCUMENT MRY
23/1/17 ADD THREAD DIMENSIONS MRY
33/2/17 UPDATE THREAD COLUMN HEADERS MRY
44/24/17 CHANGE 33 DIM A MRY
511/5/18 CHG DIM A, ADD SIZE 31, 70 & 73, ADD NEW VIEW MRY
E
C
BD
G
A
F
DIMENSIONS MM (IN)
CASE SIZE A B C D E F G FL METRIC THREAD FS INCHES THREAD RECOMMENDED
TORQUE
30 49.0-51.0
(1.93-2.01) 43.0 (1.69) 43.0 (1.69) 49.0 (1.93) 17.0 (0.67) 47.4 (1.86) 76.4 (3.01) M8x1.25 5/16"-18 UNC-2B 13-20 Nm
31 49.0-51.0
(1.93-2.01) 51.5 (2.03) 51.5 (2.03) 57.5 (2.26) 20.0 (0.80) 48.2 (1.90) 84.9 (3.34) M8x1.25 5/16"-18 UNC-2B 13-20 Nm
32 50.0-52.0
(1.97-2.05) 60.0 (2.36) 60.0 (2.36) 66.0 (2.60) 23.0 (0.91) 48.8 (1.92) 93.4 (3.68) M10x1.5 3/8"-16 UNC-2B 26-35 Nm
33 50.0-52.0
(1.97-2.05) 73.5 (2.89) 73.5 (2.89) 79.5 (3.13) 30.0 (1.18) 49.2 (1.94) 106.9 (4.21) M12x1.75 1/2"-13 UNC-2B 45-55 Nm
70 73.0-75.0
(2.87-2.95) 43.0 (1.69) 43.0 (1.69) 49.0 (1.93) 17.0 (0.70) 741.4 (2.81) 76.4 (3.01) M8x1.25 5/16"-18 UNC-2B 13-20 Nm
71 73.3-74.7
(2.89-2.94) 51.5 (2.03) 51.5 (2.03) 57.5 (2.26) 20.0 (0.79) 72.2 (2.84) 84.9 (3.34) M8x1.25 5/16"-18 UNC-2B 13-20 Nm
72 74.0-76.0
(2.91-2.99) 60.0 (2.36) 60.0 (2.36) 66.0 (2.60) 23.0 (0.91) 72.8 (2.87) 93.4 (3.68) M10x1.5 3/8"-16 UNC-2B 26-35 Nm
73 74.0-76.0
(2.91-2.99) 73.5 (2.89) 73.5 (2.89) 79.5 (3.13) 30.0 (1.18) 73.2 (2.88) 106.9 (4.21) M12x1.75 1/2"-13 UNC-2B 45-55 Nm
FL/FS
VISUAL
INDICATOR
1/4" QC
TERMINAL
M4x0.7 THREAD
10.00 (.394)
STUD LENGTH
DIMENSIONS IN MM (IN)
CASE
SIZE A B C D E F G FL METRIC
THREAD
FS INCHES
THREAD
RECOMMENDED
TORQUE
30 50.0 (1.97) 43.0 (1.69) 43.0 (1.69) 49.0 (1.93) 17.0 (0.67) 47.4 (1.86) 76.4 (3.01) M8 x 1.25 5/16”-18 UNC 2B 13-20 Nm
31 50.0 (1.97) 51.5 (2.03) 51.5 (2.03) 57.5 (2.26) 20.0 (0.8) 48.2 (1.90) 84.9 (3.34) M8 x 1.25 5/16”-18 UNC 2B 13-20 Nm
32 51.0 (2.01) 60.0 (2.36) 60.0 (2.36) 66.0 (2.60) 23.0 (0.91) 48.8 (1.92) 93.4 (3.68) M10 x 1.5 3/8”-16 UNC 2B 26-35 Nm
33 51.0 (2.01) 73.5 (2.89) 73.5 (2.89) 79.5 (3.13) 30.0 (1.18) 49.2 (1.94) 106.9 (4.21) M12 x 1.75 1/2”-13 UNC 2B 45-55 Nm
70 74.0 (2.91) 43.0 (1.69) 43.0 (1.69) 49.0 (1.93) 17.0 (0.67) 71.4 (2.81) 76.4 (3.01) M8 x 1.25 5/16”-18 UNC 2B 13-20 Nm
71 74.0 (2.91) 51.5 (2.03) 51.5 (2.03) 57.5 (2.26) 20.0 (0.79) 72.2 (2.84) 84.9 (3.34) M8 x 1.25 5/16”-18 UNC 2B 13-20 Nm
72 75.0 (2.95) 60.0 (2.36) 60.0 (2.36) 66.0 (2.60) 23.0 (0.91) 72.8 (2.87) 93.4 (3.68) M10 x 1.5 3/8”-16 UNC 2B 26-35 Nm
73 75.0 (2.95) 73.5 (2.89) 73.5 (2.89) 79.5 (3.13) 30.0 (1.18) 73.2 (2.88) 106.9 (4.21) M12 x 1.75 1/2”-13 UNC 2B 45-55 Nm
% Litteltuse' ,x u \ A u
POWR-SPEED® Fuse
littelfuse.com/psr
Rev: 110118
© 2018 Littelfuse POWR-GARD® Products
7 of 21
PSR SERIES HIGH-SPEED SQUARE BODY
Time Current Curve (30 Case Size)
- THIS DATA IS GENERATED IN EXCEL -
100
90
80
70
60
50
40
30
20
10
9
8
7
6
5
4
3
2
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.09
0.08
0.07
0.06
0.05
0.04
0.03
0.02
0.01
0.009
0.008
0.007
0.006
0.005
0.004
0.003
0.002
0.001
0.0009
0.0008
0.0007
0.0006
0.0005
0.0004
0.0003
0.0002
0.0001
100
90
80
70
60
50
40
30
20
10
9
8
7
6
5
4
3
2
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.09
0.08
0.07
0.06
0.05
0.04
0.03
0.02
0.01
0.009
0.008
0.007
0.006
0.005
0.004
0.003
0.002
0.001
0.0009
0.0008
0.0007
0.0006
0.0005
0.0004
0.0003
0.0002
0.0001
100000
90000
80000
70000
60000
50000
40000
30000
20000
10000
9000
8000
7000
6000
5000
4000
3000
2000
1000
900
800
700
600
500
400
300
200
100
90
80
70
60
50
40
30
20
10
100000
90000
80000
70000
60000
50000
40000
30000
20000
10000
9000
8000
7000
6000
5000
4000
3000
2000
1000
900
800
700
600
500
400
300
200
100
90
80
70
60
50
40
30
20
10
- 125A
BASIS FOR DATA:
TEST VOLTAGE: TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER:
DRAWN BY:
DATE:
REVISION:
DRAWING NO.: SHEET
TIME CURRENT CHARACTERISTIC CURVES
LITTELFUSE, INC.
CHICAGO, IL. USA
LLL
03/21/2017
B
2 OF 2
FCC01-PSR30
PSR30 40A - 550A
PROSPECTIVE R.M.S CURRENT IN AMPERE
VIRTUAL MELTING (PRE-ARCING) TIME IN SECONDS
- 160A
- 200A
- 250A
- 315A
- 350A
- 40A
- 50A
- 63A
- 80A
- 100A
- 400A
- 450A
- 500A
- 550A
* DC Minimum Breaking Capacity = 9 x In
% litleltuse' ,x u \ A u
POWR-SPEED® Fuse
littelfuse.com/psr
Rev: 110118
© 2018 Littelfuse POWR-GARD® Products
8 of 21
PSR SERIES HIGH-SPEED SQUARE BODY
Time Current Curve (31 Case Size)
- THIS DATA IS GENERATED IN EXCEL -
100
90
80
70
60
50
40
30
20
10
9
8
7
6
5
4
3
2
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.09
0.08
0.07
0.06
0.05
0.04
0.03
0.02
0.01
0.009
0.008
0.007
0.006
0.005
0.004
0.003
0.002
0.001
0.0009
0.0008
0.0007
0.0006
0.0005
0.0004
0.0003
0.0002
0.0001
100
90
80
70
60
50
40
30
20
10
9
8
7
6
5
4
3
2
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.09
0.08
0.07
0.06
0.05
0.04
0.03
0.02
0.01
0.009
0.008
0.007
0.006
0.005
0.004
0.003
0.002
0.001
0.0009
0.0008
0.0007
0.0006
0.0005
0.0004
0.0003
0.0002
0.0001
100000
90000
80000
70000
60000
50000
40000
30000
20000
10000
9000
8000
7000
6000
5000
4000
3000
2000
1000
900
800
700
600
500
400
300
200
100
100000
90000
80000
70000
60000
50000
40000
30000
20000
10000
9000
8000
7000
6000
5000
4000
3000
2000
1000
900
800
700
600
500
400
300
200
100
- 450A
BASIS FOR DATA:
TEST VOLTAGE: TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER:
DRAWN BY:
DATE:
REVISION:
DRAWING NO.: SHEET
TIME CURRENT CHARACTERISTIC CURVES
LITTELFUSE, INC.
CHICAGO, IL. USA
LLL
09/29/2017
A
2 OF 2
FCC01-PSR31
PSR31 200A - 800A
PROSPECTIVE R.M.S CURRENT IN AMPERE
VIRTUAL MELTING (PRE-ARCING) TIME IN SECONDS
- 500A
- 550A
- 630A
- 700A
- 800A
- 200A
- 250A
- 315A
- 350A
- 400A
* DC Minimum Breaking Capacity = 9 x In
% litleltuse' w \ m
POWR-SPEED® Fuse
littelfuse.com/psr
Rev: 110118
© 2018 Littelfuse POWR-GARD® Products
9 of 21
PSR SERIES HIGH-SPEED SQUARE BODY
Time Current Curve (32 Case Size)
- THIS DATA IS GENERATED IN EXCEL -
100
90
80
70
60
50
40
30
20
10
9
8
7
6
5
4
3
2
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.09
0.08
0.07
0.06
0.05
0.04
0.03
0.02
0.01
0.009
0.008
0.007
0.006
0.005
0.004
0.003
0.002
0.001
0.0009
0.0008
0.0007
0.0006
0.0005
0.0004
0.0003
0.0002
0.0001
100
90
80
70
60
50
40
30
20
10
9
8
7
6
5
4
3
2
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.09
0.08
0.07
0.06
0.05
0.04
0.03
0.02
0.01
0.009
0.008
0.007
0.006
0.005
0.004
0.003
0.002
0.001
0.0009
0.0008
0.0007
0.0006
0.0005
0.0004
0.0003
0.0002
0.0001
100000
90000
80000
70000
60000
50000
40000
30000
20000
10000
9000
8000
7000
6000
5000
4000
3000
2000
1000
900
800
700
600
500
400
300
200
100
100000
90000
80000
70000
60000
50000
40000
30000
20000
10000
9000
8000
7000
6000
5000
4000
3000
2000
1000
900
800
700
600
500
400
300
200
100
- 700A
BASIS FOR DATA:
TEST VOLTAGE: TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER:
DRAWN BY:
DATE:
REVISION:
DRAWING NO.: SHEET
TIME CURRENT CHARACTERISTIC CURVES
LITTELFUSE, INC.
CHICAGO, IL. USA
LLL
03/21/2017
B
2 OF 2
FCC01-PSR32
PSR32 400A - 1100A
PROSPECTIVE R.M.S CURRENT IN AMPERE
VIRTUAL MELTING (PRE-ARCING) TIME IN SECONDS
- 800A
- 900A
- 1000A
- 1100A
- 400A
- 450A
- 500A
- 550A
- 630A
* DC Minimum Breaking Capacity = 9 x In
% Litteltuse' ,x u \ A u
POWR-SPEED® Fuse
littelfuse.com/psr
Rev: 110118
© 2018 Littelfuse POWR-GARD® Products
10 of 21
PSR SERIES HIGH-SPEED SQUARE BODY
Time Current Curve (33 Case Size)
- THIS DATA IS GENERATED IN EXCEL -
100
90
80
70
60
50
40
30
20
10
9
8
7
6
5
4
3
2
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.09
0.08
0.07
0.06
0.05
0.04
0.03
0.02
0.01
0.009
0.008
0.007
0.006
0.005
0.004
0.003
0.002
0.001
0.0009
0.0008
0.0007
0.0006
0.0005
0.0004
0.0003
0.0002
0.0001
100
90
80
70
60
50
40
30
20
10
9
8
7
6
5
4
3
2
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.09
0.08
0.07
0.06
0.05
0.04
0.03
0.02
0.01
0.009
0.008
0.007
0.006
0.005
0.004
0.003
0.002
0.001
0.0009
0.0008
0.0007
0.0006
0.0005
0.0004
0.0003
0.0002
0.0001
200000
100000
90000
80000
70000
60000
50000
40000
30000
20000
10000
9000
8000
7000
6000
5000
4000
3000
2000
1000
900
800
700
600
500
400
300
200
200000
100000
90000
80000
70000
60000
50000
40000
30000
20000
10000
9000
8000
7000
6000
5000
4000
3000
2000
1000
900
800
700
600
500
400
300
200
- 800A
BASIS FOR DATA:
TEST VOLTAGE: TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER:
DRAWN BY:
DATE:
REVISION:
DRAWING NO.: SHEET
TIME CURRENT CHARACTERISTIC CURVES
LITTELFUSE, INC.
CHICAGO, IL. USA
LLL
09/29/2017
A
2 OF 2
FCC01-PSR33
PSR33 450A - 2000A
PROSPECTIVE R.M.S CURRENT IN AMPERE
VIRTUAL MELTING (PRE-ARCING) TIME IN SECONDS
- 900A
- 1000A
- 1100A
- 1250A
- 1400A
- 450A
- 450A
- 500A
- 630A
- 700A
- 1500A
- 1600A
- 1800A
- 2000A
* DC Minimum Breaking Capacity = 9 x In
% litleltuse' ,x u \ A u
POWR-SPEED® Fuse
littelfuse.com/psr
Rev: 110118
© 2018 Littelfuse POWR-GARD® Products
11 of 21
PSR SERIES HIGH-SPEED SQUARE BODY
Time Current Curve (70 Case Size)
- THIS DATA IS GENERATED IN EXCEL -
100
90
80
70
60
50
40
30
20
10
9
8
7
6
5
4
3
2
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.09
0.08
0.07
0.06
0.05
0.04
0.03
0.02
0.01
0.009
0.008
0.007
0.006
0.005
0.004
0.003
0.002
0.001
0.0009
0.0008
0.0007
0.0006
0.0005
0.0004
0.0003
0.0002
0.0001
100
90
80
70
60
50
40
30
20
10
9
8
7
6
5
4
3
2
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.09
0.08
0.07
0.06
0.05
0.04
0.03
0.02
0.01
0.009
0.008
0.007
0.006
0.005
0.004
0.003
0.002
0.001
0.0009
0.0008
0.0007
0.0006
0.0005
0.0004
0.0003
0.0002
0.0001
100000
90000
80000
70000
60000
50000
40000
30000
20000
10000
9000
8000
7000
6000
5000
4000
3000
2000
1000
900
800
700
600
500
400
300
200
100
90
80
70
60
50
40
30
20
10
100000
90000
80000
70000
60000
50000
40000
30000
20000
10000
9000
8000
7000
6000
5000
4000
3000
2000
1000
900
800
700
600
500
400
300
200
100
90
80
70
60
50
40
30
20
10
BASIS FOR DATA:
TEST VOLTAGE: TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER:
DRAWN BY:
DATE:
REVISION:
DRAWING NO.: SHEET
TIME CURRENT CHARACTERISTIC CURVES
LITTELFUSE, INC.
CHICAGO, IL. USA
2 OF 2
FCC01-PSR70
PSR070 50A - 315A
LLL
04/13/2018
A
PROSPECTIVE R.M.S CURRENT IN AMPERE
VIRTUAL MELTING (PRE-ARCING) TIME IN SECONDS
- 315A
- 280A
- 250A
- 200A
- 160A
- 125A
- 100A
- 80A
- 63A
- 50A
* DC Minimum Breaking Capacity = 9 x In
% litleltuse' ,x u \ A u
POWR-SPEED® Fuse
littelfuse.com/psr
Rev: 110118
© 2018 Littelfuse POWR-GARD® Products
12 of 21
PSR SERIES HIGH-SPEED SQUARE BODY
Time Current Curve (71 Case Size)
- THIS DATA IS GENERATED IN EXCEL -
100
90
80
70
60
50
40
30
20
10
9
8
7
6
5
4
3
2
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.09
0.08
0.07
0.06
0.05
0.04
0.03
0.02
0.01
0.009
0.008
0.007
0.006
0.005
0.004
0.003
0.002
0.001
0.0009
0.0008
0.0007
0.0006
0.0005
0.0004
0.0003
0.0002
0.0001
100
90
80
70
60
50
40
30
20
10
9
8
7
6
5
4
3
2
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.09
0.08
0.07
0.06
0.05
0.04
0.03
0.02
0.01
0.009
0.008
0.007
0.006
0.005
0.004
0.003
0.002
0.001
0.0009
0.0008
0.0007
0.0006
0.0005
0.0004
0.0003
0.0002
0.0001
100000
90000
80000
70000
60000
50000
40000
30000
20000
10000
9000
8000
7000
6000
5000
4000
3000
2000
1000
900
800
700
600
500
400
300
200
100
100000
90000
80000
70000
60000
50000
40000
30000
20000
10000
9000
8000
7000
6000
5000
4000
3000
2000
1000
900
800
700
600
500
400
300
200
100
- 350A
BASIS FOR DATA:
TEST VOLTAGE: TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER:
DRAWN BY:
DATE:
REVISION:
DRAWING NO.: SHEET
TIME CURRENT CHARACTERISTIC CURVES
LITTELFUSE, INC.
CHICAGO, IL. USA
2 OF 2
FCC01-PSR71
PSR071 160A - 450A
LLL
03/21/2017
C
PROSPECTIVE R.M.S CURRENT IN AMPERE
VIRTUAL MELTING (PRE-ARCING) TIME IN SECONDS
- 400A
- 450A
- 160A
- 200A
- 250A
- 280A
- 315A
* DC Minimum Breaking Capacity = 9 x In
% litleltuse' ,x u \ A u
POWR-SPEED® Fuse
littelfuse.com/psr
Rev: 110118
© 2018 Littelfuse POWR-GARD® Products
13 of 21
PSR SERIES HIGH-SPEED SQUARE BODY
Time Current Curve (72 Case Size)
- THIS DATA IS GENERATED IN EXCEL -
100
90
80
70
60
50
40
30
20
10
9
8
7
6
5
4
3
2
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.09
0.08
0.07
0.06
0.05
0.04
0.03
0.02
0.01
0.009
0.008
0.007
0.006
0.005
0.004
0.003
0.002
0.001
0.0009
0.0008
0.0007
0.0006
0.0005
0.0004
0.0003
0.0002
0.0001
100
90
80
70
60
50
40
30
20
10
9
8
7
6
5
4
3
2
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.09
0.08
0.07
0.06
0.05
0.04
0.03
0.02
0.01
0.009
0.008
0.007
0.006
0.005
0.004
0.003
0.002
0.001
0.0009
0.0008
0.0007
0.0006
0.0005
0.0004
0.0003
0.0002
0.0001
100000
90000
80000
70000
60000
50000
40000
30000
20000
10000
9000
8000
7000
6000
5000
4000
3000
2000
1000
900
800
700
600
500
400
300
200
100
100000
90000
80000
70000
60000
50000
40000
30000
20000
10000
9000
8000
7000
6000
5000
4000
3000
2000
1000
900
800
700
600
500
400
300
200
100
BASIS FOR DATA:
TEST VOLTAGE: TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER:
DRAWN BY:
DATE:
REVISION:
DRAWING NO.: SHEET
TIME CURRENT CHARACTERISTIC CURVES
LITTELFUSE, INC.
CHICAGO, IL. USA
2 OF 2
FCC01-PSR72
PSR072 250A - 630A
LLL
03/21/2017
C
PROSPECTIVE R.M.S CURRENT IN AMPERE
VIRTUAL MELTING (PRE-ARCING) TIME IN SECONDS
- 630A
- 550A
- 500A
- 450A
- 400A
- 350A
- 315A
- 280A
- 250A
* DC Minimum Breaking Capacity = 9 x In
% litleltuse' ,x u \ A u
POWR-SPEED® Fuse
littelfuse.com/psr
Rev: 110118
© 2018 Littelfuse POWR-GARD® Products
14 of 21
PSR SERIES HIGH-SPEED SQUARE BODY
Time Current Curve (73 Case Size)
- THIS DATA IS GENERATED IN EXCEL -
100
90
80
70
60
50
40
30
20
10
9
8
7
6
5
4
3
2
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.09
0.08
0.07
0.06
0.05
0.04
0.03
0.02
0.01
0.009
0.008
0.007
0.006
0.005
0.004
0.003
0.002
0.001
0.0009
0.0008
0.0007
0.0006
0.0005
0.0004
0.0003
0.0002
0.0001
100
90
80
70
60
50
40
30
20
10
9
8
7
6
5
4
3
2
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.09
0.08
0.07
0.06
0.05
0.04
0.03
0.02
0.01
0.009
0.008
0.007
0.006
0.005
0.004
0.003
0.002
0.001
0.0009
0.0008
0.0007
0.0006
0.0005
0.0004
0.0003
0.0002
0.0001
100000
90000
80000
70000
60000
50000
40000
30000
20000
10000
9000
8000
7000
6000
5000
4000
3000
2000
1000
900
800
700
600
500
400
300
200
100
100000
90000
80000
70000
60000
50000
40000
30000
20000
10000
9000
8000
7000
6000
5000
4000
3000
2000
1000
900
800
700
600
500
400
300
200
100
BASIS FOR DATA:
TEST VOLTAGE: TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER:
DRAWN BY:
DATE:
REVISION:
DRAWING NO.: SHEET
TIME CURRENT CHARACTERISTIC CURVES
LITTELFUSE, INC.
CHICAGO, IL. USA
2 OF 2
FCC01-PSR73
PSR073 315A - 700A
LLL
04/13/2018
A
PROSPECTIVE R.M.S CURRENT IN AMPERE
VIRTUAL MELTING (PRE-ARCING) TIME IN SECONDS
- 700A
- 630A
- 550A
- 500A
- 450A
- 400A
- 350A
- 315A
* DC Minimum Breaking Capacity = 9 x In
paw 2mm PEAK LEnH RU cHAnACrERIsTIc CURVES % litlelfuse' Amu \ AM w u
POWR-SPEED® Fuse
littelfuse.com/psr
Rev: 110118
© 2018 Littelfuse POWR-GARD® Products
15 of 21
PSR SERIES HIGH-SPEED SQUARE BODY
100
1,000
10,000
100,000
000,001000,01000,1001
PEAK LET- THRU IN AMPERES
AVAILABLE FAULT CURRENT
SYMMETRICAL R.M.S. AMPERES
PEAK LET-THRU CHARACTERISTIC CURVES FCC05-PSR30
PSR30 40A-550A
550A -
500A -
450A -
400A -
350A -
315A -
250A -
200A -
160A -
125A -
100A -
80A -
63A -
50A -
40A -
A
B
Peak Let-Thru Curve (30 Case Size)
- DATA GENERATED IN EXCEL -
100
1,000
10,000
100,000
000,002000,02000,2002
PEAK LET- THRU IN AMPERES
AVAILABLE FAULT CURRENT
SYMMETRICAL R.M.S. AMPERES
PEAK LET-THRU CHARACTERISTIC CURVES
FCC05-PSR31
PSR31 200A-800A
800A -
700A -
630A -
550A -
500A -
450A -
400A -
350A -
315A -
250A -
200A -
A
B
Peak Let-Thru Curve (31 Case Size)
POWR-SPEED® Fuse
littelfuse.com/psr
Rev: 110118
© 2018 Littelfuse POWR-GARD® Products
16 of 21
PSR SERIES HIGH-SPEED SQUARE BODY
- DATA GENERATED IN EXCEL -
800
8,000
80,000
000,002000,02000,2002
PEAK LET- THRU IN AMPERES
AVAILABLE FAULT CURRENT
SYMMETRICAL R.M.S. AMPERES
PEAK LET-THRU CHARACTERISTIC CURVES FCC05-PSR33
PSR33 400A - 2000A
2000A -
1800A -
1600A -
1500A -
1400A -
1250A -
1100A -
A
B
1000A -
900A -
800A -
700A -
630A -
500A -
450A -
400A -
Peak Let-Thru Curve (33 Case Size)
- DATA GENERATED IN EXCEL -
2,000
20,000
200,000
000,002000,02000,2002
PEAK LET- THRU IN AMPERES
AVAILABLE FAULT CURRENT
SYMMETRICAL R.M.S. AMPERES
PEAK LET-THRU CHARACTERISTIC CURVES FCC05-PSR32
PSR032 400A-1100A
1100A -
1000A -
900A -
800A -
700A -
630A -
550A -
500A -
450A -
400A -
A
B
Peak Let-Thru Curve (32 Case Size)
% litleltuse' ,x:,v|>LApphLJ \ Mm mm m
POWR-SPEED® Fuse
littelfuse.com/psr
Rev: 110118
© 2018 Littelfuse POWR-GARD® Products
17 of 21
PSR SERIES HIGH-SPEED SQUARE BODY
- DATA GENERATED IN EXCEL -
100
1,000
10,000
100,000
000,001000,01000,1001
PEAK LET- THRU IN AMPERES
AVAILABLE FAULT CURRENT
SYMMETRICAL R.M.S. AMPERES
PEAK LET-THRU CHARACTERISTIC CURVES FCC05-PSR70 (A)
PSR070 50A - 315A
315A -
280A -
250A -
200A -
160A -
125A -
100A -
80A -
63A -
50A -
A
B
- DATA GENERATED IN EXCEL -
1,000
10,000
100,000
000,001000,01000,1001
PEAK LET- THRU IN AMPERES
AVAILABLE FAULT CURRENT
SYMMETRICAL R.M.S. AMPERES
PEAK LET-THRU CHARACTERISTIC CURVES FCC05-PSR71(D)
PSR071 160A - 450A
450A -
400A -
350A -
315A -
280A -
250A -
200A -
160A -
A
B
Peak Let-Thru Curve (70 Case Size)
Peak Let-Thru Curve (71 Case Size)
POWR-SPEED® Fuse
littelfuse.com/psr
Rev: 110118
© 2018 Littelfuse POWR-GARD® Products
18 of 21
PSR SERIES HIGH-SPEED SQUARE BODY
- DATA GENERATED IN EXCEL -
1,000
10,000
100,000
000,001000,01000,1
PEAK LET- THRU IN AMPERES
AVAILABLE FAULT CURRENT
SYMMETRICAL R.M.S. AMPERES
PEAK LET-THRU CHARACTERISTIC CURVES FCC05-PSR72 (C)
PSR072 250A - 630A
630A -
550A -
500A -
450A -
400A -
350A -
315A -
280A -
250A -
A
B
- DATA GENERATED IN EXCEL -
1,000
10,000
100,000
000,001000,01000,1
PEAK LET- THRU IN AMPERES
AVAILABLE FAULT CURRENT
SYMMETRICAL R.M.S. AMPERES
PEAK LET-THRU CHARACTERISTIC CURVES FCC05-PSR73 (A)
PSR073 315A - 700A
700A -
630A -
550A -
500A -
450A -
400A -
350A -
315A -
A
B
Peak Let-Thru Curve (72 Case Size)
Peak Let-Thru Curve (73 Case Size)
ormmwe vomcz w vans % litleltuse' “m \ AW W m
POWR-SPEED® Fuse
littelfuse.com/psr
Rev: 110118
© 2018 Littelfuse POWR-GARD® Products
19 of 21
PSR SERIES HIGH-SPEED SQUARE BODY
Total Clearing I2t Correction Factor Curve
Case Size (30, 31, 32 and 33)
Total Clearing I2t Correction Factor Curve
Case Size (70, 71, 72, and 73)
- THIS DATA IS GENERATED IN EXCEL -
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
1.1
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
800
700
600
500
400
300
200
100
800
700
600
500
400
300
200
100
BASIS FOR DATA:
TEST VOLTAGE: 100V - 690V TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER:
DRAWN BY:
DATE:
REVISION:
DRAWING NO.: SHEET
I2T VARIATION CURVES
LITTELFUSE, INC.
CHICAGO, IL. USA
LLL
03/23/2017
A
2 OF 3
FCC07-PSR
PSR 550V - 690V
OPERATING VOLTAGE IN VOLTS
TOTAL CLEARING I2t CORRECTION FACTOR
550V -
600V -
690V -
- THIS DATA IS GENERATED IN EXCEL -
1.1
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
1.1
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
1400
1200
1000
800
600
400
200
1400
1200
1000
800
600
400
200
BASIS FOR DATA:
TEST VOLTAGE: 200V - 1250V TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER:
DRAWN BY:
DATE:
REVISION:
DRAWING NO.: SHEET
I2T VARIATION CURVES
LITTELFUSE, INC.
CHICAGO, IL. USA
LLL
03/23/2017
A
3 OF 3
FCC07-PSR
PSR 1250V
OPERATING VOLTAGE IN VOLTS
TOTAL CLEARING I2t CORRECTION FACTOR
- THIS DATA IS GENERATED IN EXCEL -
600
700
800
900
1000
1100
1200
1300
1400
100 200 300 400 500 600 700
BASIS FOR DATA:
TEST VOLTAGE: TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER:
DRAWN BY:
DATE:
REVISION:
DRAWING NO.: SHEET
ARC VOLTAGE
LITTELFUSE, INC.
CHICAGO, IL. USA
LLL
01/26/2015
A
3 OF 3
FCC0-
L70S 35-800A
OPERATING VOLTAGE IN VOLTS
PEAK ARC VOLTAGE IN VOLT
BASIS FOR DATA:
TEST VOLTAGE: 100V-690V TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER:
DRAWN BY:
DATE:
REVISION:
DRAWING NO.: SHEET
MAX ARC VOLTAGE VARIATION CURVE
LITTELFUSE, INC.
CHICAGO, IL. USA
LLL
03/23/2017
A
2 OF 3
FCC09-PSR
PSR30 - PSR33
- THIS DATA IS GENERATED IN EXCEL -
1200
1300
1400
1500
1600
1700
1800
1900
2000
2100
2200
2300
2400
500 600 700 800 900 1000 1100 1200 1300
BASIS FOR DATA:
TEST VOLTAGE: TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER:
DRAWN BY:
DATE:
REVISION:
DRAWING NO.: SHEET
ARC VOLTAGE
LITTELFUSE, INC.
CHICAGO, IL. USA
LLL
01/26/2015
A
3 OF 3
FCC0-
L70S 35-800A
OPERATING VOLTAGE IN VOLTS
PEAK ARC VOLTAGE IN VOLT
BASIS FOR DATA:
TEST VOLTAGE: 500V-1300V TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER:
DRAWN BY:
DATE:
REVISION:
DRAWING NO.: SHEET
MAX ARC VOLTAGE VARIATION CURVE
LITTELFUSE, INC.
CHICAGO, IL. USA
LLL
01/23/2015
A
3 OF 3
FCC09-PSR
PSR71 - PSR72
Peak Arc Voltage Curve
Case Size (30, 31, 32 and 33)
Peak Arc Voltage Curve
Case Size (70, 71, 72, and 73)
POWR-SPEED® Fuse
littelfuse.com/psr
Rev: 110118
© 2018 Littelfuse POWR-GARD® Products
20 of 21
PSR SERIES HIGH-SPEED SQUARE BODY
- THIS DATA IS GENERATED IN EXCEL -
BASIS FOR DATA:
TEST VOLTAGE: TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER:
DRAWN BY:
DATE:
REVISION:
DRAWING NO.: SHEET
TEMPERATURE RE-RATING CURVE
LITTELFUSE, INC.
CHICAGO, IL. USA
LLL
04/04/2017
A
2 OF 2
FCC11-PSR
PSR Series
PERCENT OF DOWNRATING
0
20%
140°C
284°F
0
20%
120°C
248°F
80°C
176°F
40°C
104°F
-20°C
-4°F
-40°C
-40°F
-60°C
-76°F
40%
0°C
32°F
20°C
68°F
100°C
212°F
60°C
140°F
PERCENT OF UPRATING
AMBIENT TEMPERATURE
10%
30%
10%
30%
50%
Temperature Derating Curve
(Temperature of Air Immediately Surrounding Fuse)
- THIS DATA IS GENERATED IN EXCEL -
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
100
90
80
70
60
50
40
30
100
90
80
70
60
50
40
30
BASIS FOR DATA:
TEST VOLTAGE: TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER:
DRAWN BY:
DATE:
REVISION:
DRAWING NO.: SHEET
I2T CORRECTION FACTOR
LITTELFUSE, INC.
CHICAGO, IL. USA
LLL
01/26/2015
A
3 OF 3
FCC0-
L50S 35-800A
PERCENT OF RATED CURRENT(%)
WATTS LOSS CORRECTION FACTOR
BASIS FOR DATA:
TEST VOLTAGE: TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER:
DRAWN BY:
DATE:
REVISION:
DRAWING NO.: SHEET
DERATING CURVE - WATTS LOSS CORRECTION
LITTELFUSE, INC.
CHICAGO, IL. USA
LLL
03/20/2017
A
2 OF 2
FCC08-PSR
PSR Series
Watts Loss Correction Factor Curve
% litleltuse' mum-m.
POWR-SPEED® Fuse
littelfuse.com/psr
Rev: 110118
© 2018 Littelfuse POWR-GARD® Products
21 of 21
PSR SERIES HIGH-SPEED SQUARE BODY
MS7H1500C
32.3
33.4
MS3H1000C
33.4 32.3
10.0
10.0
32.3
39.0
42.0
32.333.4
33.4
63.0
42.0
Microswitch
[Dimensions in millimeters]
MS7H1500C
Document Number: OL-MS7H1500C Rev. B
MS3H1000C
Document Number: OL-MS3H1000C Rev. B
Electrical Characteristics
CATALOG
NUMBER/
ORDERING
NUMBER
INDICATING
STYLE
INSULATION
VOLTAGE
RATING
(VAC)
FUSE
CASE
SIZE
POSITIVE
OPERATING
MIN VOLTAGE /
MIN CURRENT
INTERRUPTING RATING
OPERATING
TEMP.
RELATIVE
HUMIDITY
PACK
QUANTITY
CURRENT
NON-INDUCTIVE
LOAD
INDUCTIVE LOAD
(DC L/R=25ms)
30V 110V 250V 30V 110V 250V
MS3H1000C* Standard
NO-NC 1000 30, 31,
32, 33
4V / 1mA
AC (50/60 Hz) 5A 5A 5A 5A 5A 4A -60°C to
+125° C 95% 3 Pcs/Bag
DC 5A 0.6A 0.3A 3A 0.2A 0.1A
MS7H1500C* Standard
NO-NC 1500 70, 71,
72, 73
AC (50/60 Hz) 5A 5A 5A 5A 5A 4A -60°C to
+125° C 95% 3 Pcs/Bag
DC 5A 0.6A 0.3A 3A 0.2A 0.1A
* Contains internal microswitch (Part Number: U83161.8), listed under UL File: E42016.
MS7H1500C
32.3
33.4
MS3H1000C
33.4 32.3
10.0
10.0
32.3
39.0
42.0
32.333.4
33.4
63.0
42.0
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their own applications. Littelfuse products are not designed for, and may not be used in, all applications. Read complete Disclaimer Notice at www.littelfuse.com/product-disclaimer.

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