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Min Qty
DK Part #
Series
Package
Part Status
Mounting Type
Fuse Type
Current Rating (Amps)
Voltage Rating - AC
Voltage Rating - DC
Response Time
Applications
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Approval Agency
Operating Temperature
Breaking Capacity @ Rated Voltage
Package / Case
Size / Dimension
PSR030FS0200Z
FUSE SQUARE 200A 700VAC/600VDC
$233.24000
18 - Immediate
16 - Factory
Littelfuse Inc.Littelfuse Inc.
1
F11833-ND
POWR-SPEED® PSR
Box
ActiveBolt MountSquare200A700 V600 VFast BlowSemiconductors--CCC, CE, cURus, UL-55°C ~ 125°C200kA AC, 150kA DC-1.969" L x 1.693" W x 1.929" H (50.00mm x 43.00mm x 49.00mm)
PSR030FS0400Z
FUSE SQUARE 400A 700VAC/600VDC
$258.83000
2 - Immediate
Littelfuse Inc.Littelfuse Inc.
1
F11837-ND
POWR-SPEED® PSR
Box
ActiveBolt MountSquare400A700 V600 VFast BlowSemiconductors--CCC, CE, cURus, UL-55°C ~ 125°C200kA AC, 150kA DC-1.969" L x 1.693" W x 1.929" H (50.00mm x 43.00mm x 49.00mm)
PSR031UL0400Z
FUSE SQUARE 400A 700VAC/600VDC
$304.60000
9 - Immediate
4 - Factory
Littelfuse Inc.Littelfuse Inc.
1
18-PSR031UL0400Z-ND
POWR-SPEED® PSR
Box
ActiveBolt MountSquare400A700 V600 VFast BlowSemiconductorsIndicating-CE, cURus, UL-55°C ~ 125°C200kA AC, 150kA DC-1.898" L x 2.028" W x 2.264" H (48.20mm x 51.50mm x 57.50mm)
PSR031US0250Z
FUSE SQUARE 250A 700VAC/600VDC
$305.53000
2 - Immediate
Littelfuse Inc.Littelfuse Inc.
1
18-PSR031US0250Z-ND
POWR-SPEED® PSR
Box
ActiveBolt MountSquare250A700 V600 VFast BlowSemiconductorsIndicating-CE, cURus, UL-55°C ~ 125°C200kA AC, 150kA DC-1.898" L x 2.028" W x 2.264" H (48.20mm x 51.50mm x 57.50mm)
PSR030-033DS
FUSE SQUARE 500A 700VAC/600VDC
$313.12000
4 - Immediate
201 - Factory
Littelfuse Inc.Littelfuse Inc.
1
18-PSR030DS0500Z-ND
POWR-SPEED® PSR
Box
ActiveBolt MountSquare500A700 V600 VFast BlowSemiconductorsIndicating-CCC, CE, cURus, UL-55°C ~ 125°C200kA AC, 150kA DC-1.866" L x 1.693" W x 1.929" H (47.40mm x 43.00mm x 49.00mm)
PSR070FS0100Z
FUSE SQUARE 100A 1.3KVAC/1KVDC
$376.50000
5 - Immediate
3 - Factory
Littelfuse Inc.Littelfuse Inc.
1
F11871-ND
POWR-SPEED® PSR
Box
ActiveBolt MountSquare100A1.3 kV1 kVFast BlowSemiconductors--CCC, CE, cURus, UL-55°C ~ 125°C100kA AC, 150kA DC-2.913" L x 1.693" W x 1.929" H (74.00mm x 43.00mm x 49.00mm)
POWR-SPEED PSR Series
FUSE SQUARE 160A 1.3KVAC/1KVDC
$395.58000
24 - Immediate
Littelfuse Inc.Littelfuse Inc.
1
F11873-ND
POWR-SPEED® PSR
Box
ActiveBolt MountSquare160A1.3 kV1 kVFast BlowSemiconductors--CCC, CE, cURus, UL-55°C ~ 125°C100kA AC, 150kA DC-2.913" L x 1.693" W x 1.929" H (74.00mm x 43.00mm x 49.00mm)
POWR-SPEED PSR Series
FUSE SQUARE 250A 1.3KVAC/1KVDC
$395.58000
1 - Immediate
Littelfuse Inc.Littelfuse Inc.
1
F11875-ND
POWR-SPEED® PSR
Box
ActiveBolt MountSquare250A1.3 kV1 kVFast BlowSemiconductors--CCC, CE, cURus, UL-55°C ~ 125°C100kA AC, 150kA DC-2.913" L x 1.693" W x 1.929" H (74.00mm x 43.00mm x 49.00mm)
PSR070-073UL
FUSE SQUARE 250A 1.3KVAC/1KVDC
$404.50000
6 - Immediate
126 - Factory
Littelfuse Inc.Littelfuse Inc.
1
18-PSR070UL0250Z-ND
POWR-SPEED® PSR
Box
ActiveBolt MountSquare250A1.3 kV1 kVFast BlowSemiconductorsIndicating-CE, cURus, UL-55°C ~ 125°C100kA AC, 150kA DC-2.811" L x 1.693" W x 1.929" H (71.40mm x 43.00mm x 49.00mm)
PSR070-073UL
FUSE SQUARE 125A 1.3KVAC/1KVDC
$404.50000
6 - Immediate
Littelfuse Inc.Littelfuse Inc.
1
18-PSR070UL0125Z-ND
POWR-SPEED® PSR
Box
ActiveBolt MountSquare125A1.3 kV1 kVFast BlowSemiconductorsIndicating-CE, cURus, UL-55°C ~ 125°C100kA AC, 150kA DC-2.811" L x 1.693" W x 1.929" H (71.40mm x 43.00mm x 49.00mm)
PSR070UL0050Z
FUSE SQUARE 200A 1.3KVAC/1KVDC
$404.50000
2 - Immediate
339 - Factory
Littelfuse Inc.Littelfuse Inc.
1
18-PSR070UL0200Z-ND
POWR-SPEED® PSR
Box
ActiveBolt MountSquare200A1.3 kV1 kVFast BlowSemiconductorsIndicating-CE, cURus, UL-55°C ~ 125°C100kA AC, 150kA DC-2.811" L x 1.693" W x 1.929" H (71.40mm x 43.00mm x 49.00mm)
PSR071FS0200Z
FUSE SQUARE 200A 1.3KVAC/1KVDC
$405.82000
2 - Immediate
31 - Factory
Littelfuse Inc.Littelfuse Inc.
1
F11876-ND
POWR-SPEED® PSR
Box
ActiveBolt MountSquare200A1.3 kV1 kVFast BlowSemiconductors--CCC, CE, cURus, UL-55°C ~ 125°C100kA AC, 150kA DC-2.913" L x 2.028" W x 2.264" H (74.00mm x 51.50mm x 57.50mm)
PSR071FS0x50Z
FUSE SQUARE 250A 1.3KVAC/1KVDC
$405.82000
2 - Immediate
6 - Factory
Littelfuse Inc.Littelfuse Inc.
1
F11877-ND
POWR-SPEED® PSR
Box
ActiveBolt MountSquare250A1.3 kV1 kVFast BlowSemiconductors--CCC, CE, cURus, UL-55°C ~ 125°C100kA AC, 150kA DC-2.913" L x 2.028" W x 2.264" H (74.00mm x 51.50mm x 57.50mm)
PSR071UL0250Z
FUSE SQUARE 250A 1.3KVAC/1KVDC
$414.95000
2 - Immediate
Littelfuse Inc.Littelfuse Inc.
1
18-PSR071UL0250Z-ND
POWR-SPEED® PSR
Box
ActiveBolt MountSquare250A1.3 kV1 kVFast BlowSemiconductorsIndicating-CE, cURus, UL-55°C ~ 125°C100kA AC, 150kA DC-2.843" L x 2.028" W x 2.264" H (72.20mm x 51.50mm x 57.50mm)
PSR031UL0700Z
FUSE SQUARE 700A 700VAC/600VDC
$390.06000
3 - Immediate
Littelfuse Inc.Littelfuse Inc.
1
18-PSR031UL0700Z-ND
POWR-SPEED® PSR
Box
ActiveBolt MountSquare700A700 V600 VFast BlowSemiconductorsIndicating-CE, cURus, UL-55°C ~ 125°C200kA AC, 150kA DC-1.898" L x 2.028" W x 2.264" H (48.20mm x 51.50mm x 57.50mm)
POWR-SPEED PSR Series
FUSE SQUARE 800A 700VAC/600VDC
$460.94000
2 - Immediate
3 - Factory
Littelfuse Inc.Littelfuse Inc.
1
F11855-ND
POWR-SPEED® PSR
Box
ActiveBolt MountSquare800A700 V600 VFast BlowSemiconductors--CCC, CE, cURus, UL-55°C ~ 125°C200kA AC, 150kA DC-2.008" L x 2.362" W x 2.598" H (51.00mm x 60.00mm x 66.00mm)
PSR072FS0xxxZ
FUSE SQUARE 315A 1.3KVAC/1KVDC
$498.39000
2 - Immediate
4 - Factory
Littelfuse Inc.Littelfuse Inc.
1
F11880-ND
POWR-SPEED® PSR
Box
ActiveBolt MountSquare315A1.3 kV1 kVFast BlowSemiconductors--CCC, CE, cURus, UL-55°C ~ 125°C100kA AC, 150kA DC-2.953" L x 2.362" W x 2.598" H (75.00mm x 60.00mm x 66.00mm)
PSR072UL0x
FUSE SQUARE 500A 1.3KVAC/1KVDC
$535.41000
3 - Immediate
Littelfuse Inc.Littelfuse Inc.
1
18-PSR072UL0500X-ND
POWR-SPEED® PSR
Box
ActiveBolt MountSquare500A1.3 kV1 kVFast BlowSemiconductorsIndicating-CE, cURus, UL-55°C ~ 125°C100kA AC, 150kA DC-2.843" L x 2.362" W x 2.598" H (72.20mm x 60.00mm x 66.00mm)
PSR072UL0x
FUSE SQUARE 450A 1.3KVAC/1KVDC
$535.41000
3 - Immediate
2 - Factory
Littelfuse Inc.Littelfuse Inc.
1
18-PSR072UL0450X-ND
POWR-SPEED® PSR
Box
ActiveBolt MountSquare450A1.3 kV1 kVFast BlowSemiconductorsIndicating-CE, cURus, UL-55°C ~ 125°C100kA AC, 150kA DC-2.843" L x 2.362" W x 2.598" H (72.20mm x 60.00mm x 66.00mm)
PSR070-073UL
FUSE SQUARE 450A 1.3KVAC/1KVDC
$594.22000
3 - Immediate
6 - Factory
Littelfuse Inc.Littelfuse Inc.
1
18-PSR073UL0450X-ND
POWR-SPEED® PSR
Box
ActiveBolt MountSquare450A1.3 kV1 kVFast BlowSemiconductorsIndicating-CE, cURus, UL-55°C ~ 125°C100kA AC, 150kA DC-2.882" L x 2.894" W x 3.130" H (73.20mm x 73.50mm x 79.50mm)
PSR072DL0400X
FUSE SQUARE 400A 1.3KVAC/1KVDC
$611.86000
6 - Immediate
Littelfuse Inc.Littelfuse Inc.
1
18-PSR072DL0400X-ND
POWR-SPEED® PSR
Box
ActiveBolt MountSquare400A1.3 kV1 kVFast BlowSemiconductorsIndicating-CCC, CE, cURus, UL-55°C ~ 125°C100kA AC, 150kA DC-2.843" L x 2.362" W x 2.598" H (72.20mm x 60.00mm x 66.00mm)
PSR030FS0100Z
FUSE SQUARE 100A 700VAC/600VDC
$232.23000
3 - Immediate
8 - Factory
Littelfuse Inc.Littelfuse Inc.
1
F11831-ND
POWR-SPEED® PSR
Box
ActiveBolt MountSquare100A700 V600 VFast BlowSemiconductors--CCC, CE, cURus, UL-55°C ~ 125°C200kA AC, 150kA DC-1.969" L x 1.693" W x 1.929" H (50.00mm x 43.00mm x 49.00mm)
PSR030FS0450Z
FUSE SQUARE 450A 700VAC/600VDC
$265.72000
3 - Immediate
22 - Factory
Littelfuse Inc.Littelfuse Inc.
1
F11838-ND
POWR-SPEED® PSR
Box
ActiveBolt MountSquare450A700 V600 VFast BlowSemiconductors--CCC, CE, cURus, UL-55°C ~ 125°C200kA AC, 150kA DC-1.969" L x 1.693" W x 1.929" H (50.00mm x 43.00mm x 49.00mm)
PSR070FS0080Z
FUSE SQUARE 80A 1.3KVAC/1KVDC
$376.50000
2 - Immediate
Littelfuse Inc.Littelfuse Inc.
1
F11870-ND
POWR-SPEED® PSR
Box
ActiveBolt MountSquare80A1.3 kV1 kVFast BlowSemiconductors--CCC, CE, cURus, UL-55°C ~ 125°C100kA AC, 150kA DC-2.913" L x 1.693" W x 1.929" H (74.00mm x 43.00mm x 49.00mm)
PSR070-073UL
FUSE SQUARE 350A 1.3KVAC/1KVDC
$594.22000
3 - Immediate
9 - Factory
Littelfuse Inc.Littelfuse Inc.
1
18-PSR073UL0350X-ND
POWR-SPEED® PSR
Box
ActiveBolt MountSquare350A1.3 kV1 kVFast BlowSemiconductorsIndicating-CE, cURus, UL-55°C ~ 125°C100kA AC, 150kA DC-2.882" L x 2.894" W x 3.130" H (73.20mm x 73.50mm x 79.50mm)
Showing
1 - 25
of 448

Electrical, Specialty Fuses


Products in this family are used for over-current fault protection, and function on the basis of current flow in excess of a desired maximum causing the destruction of a conductive element within the device. They are distinguished from common fuses by one of several factors; bearing a non-supplementary classification under the UL248 standard, certification for use in hazardous or explosive environments, or a form factor other than those commonly encountered in products used for supplementary equipment protection such as those with an indication function or fusible cable links, and fuses designated for specific applications such as protection of telecommunications circuits or multimeters.