Protection Relays & Systems

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of 937

Mfr Part #	Quantity Available	Price	Series	Package	Product Status	Function	Voltage - Supply	Trip Range	Delay Time	Mounting Type	Termination Style	Features	Operating Temperature

3RN20101CW30 THERMISTOR MOT. PROT. 1NO 1NC BI Siemens	26 In Stock	1 : $246.60000 Bulk	SIRIUS 3RN2	Bulk	Active	Overtemperature	24 ~ 240VAC/DC	-	-	DIN Rail	Screw Terminal	Automatic Reset	-25°C ~ 60°C
3UG4615-1CR20 VOLTAGE MONITORING RELAY Siemens	8 In Stock	1 : $429.59000 Bulk	SIRUS 3UG4	Bulk	Active	Phase Loss, Phase Sequence, Overvoltage, Undervoltage	160 ~ 690VAC	160 ~ 690VAC	0.1 ~ 20s	DIN Rail	Screw Terminal	Automatic Reset	-25°C ~ 60°C
PGR-3100 GRND FAULT INDICAT SYST LED 30V Littelfuse Inc.	10 In Stock 43 Factory	1 : $931.45000 Bulk	PGR-3100	Bulk	Active	Ground Fault	600VAC	-	-	Panel Mount	Screw Terminal	Test Button	-
777-P2 3-PHASE OLR/200-480V/2-800FLA+ Littelfuse Inc.	4 In Stock	1 : $1,022.12000 Bulk	777	Bulk	Active	Multiple	200 ~ 480VAC	200 ~ 480V AC	-	Chassis Mount	Screw Terminal	-	-20°C ~ 70°C
SE-701-0U MONITOR GRND FALT RELAY 120/240V Littelfuse Inc.	20 In Stock 36 Factory	1 : $1,393.69000 Bulk	SE-701	Bulk	Active	Ground Fault	120/240VAC/DC	-	0.5 ~ 2.5s	Chassis Mount, DIN Rail	Screw Terminal	CT Loop Monitoring, Harmonic Filtering, Manual Reset, Test Button	-40°C ~ 60°C
SE-105 GROUND FAULT MONITOR Littelfuse Inc.	13 In Stock 204 Factory	1 : $2,077.69000 Bulk	SE-105	Bulk	Active	Ground Fault	120VAC	0.5 ~ 5A	0.1 ~ 1s	Chassis Mount	Screw Terminal	Automatic Reset, Manual Reset	-
SE-325 NGR MONITOR 120VAC SUPPLY Littelfuse Inc.	2 In Stock	1 : $2,065.28000 Bulk	SE-325	Bulk	Active	Ground Fault	120VAC	0.5 ~ 4A	0.1 ~ 2s	Chassis Mount	Screw Terminal	Manual Reset	-
SE-134C-00 GROUND CONTINUITY MONITOR Littelfuse Inc.	7 In Stock 36 Factory	1 : $5,261.20000 Bulk	SE-134C	Bulk	Active	Ground Fault	120/240VAC/DC	-	0.1 ~ 2.5s	Panel Mount	Screw Terminal	CT Loop Monitoring, Harmonic Filtering, Manual Reset, Test Button	-40°C ~ 60°C
SE-330-00-00 GRND RESISTOR RELAY UNIVERSAL Littelfuse Inc.	7 In Stock 55 Factory	1 : $5,263.65000 Bulk	SE-330	Bulk	Active	Ground Fault	120/240VAC/DC	20 ~ 10000VAC	0.1 ~ 10s	Panel Mount	Screw Terminal	Harmonic Filtering, Manual Reset	-40°C ~ 60°C
DEA71DM24A003 EARTH LEAKAGE MONITORING RELAY Carlo Gavazzi Inc.	7 In Stock	1 : $228.76000 Box	DEA71	Box	Active	Ground Fault	24 ~ 240VAC	30mA	-	DIN Rail	Screw Terminal	-	-25°C ~ 60°C
3RN20101CA30 THERMISTOR MOT. PROT. 1NO 1NC BI Siemens	4 In Stock	1 : $247.70000 Bulk	SIRIUS 3RN2	Bulk	Active	Overtemperature	24VAC/DC	-	-	DIN Rail	Screw Terminal	Automatic Reset	-25°C ~ 60°C
3RN20121BW30 THERMISTOR MOTOR PROT. 2CO REMOT Siemens	3 In Stock	1 : $434.13000 Bulk	SIRIUS 3RN2	Bulk	Active	Overtemperature	24 ~ 240VAC/DC	-	-	DIN Rail	Screw Terminal	Manual Reset	-25°C ~ 60°C
3UG4617-1CR20 VOLTAGE MONITORING RELAY Siemens	2 In Stock	1 : $463.79000 Bulk	SIRUS 3UG4	Bulk	Active	Phase Loss, Phase Sequence, Overvoltage, Undervoltage	160 ~ 690VAC	160 ~ 690VAC	0.1 ~ 20s	DIN Rail	Screw Terminal	Automatic Reset	-25°C ~ 60°C
SE-TA6 TERM ASSY 5.6V 50W Littelfuse Inc.	3 In Stock 10 Factory	1 : $588.01000 Bulk	SE-TA6	Bulk	Active	Ground Fault	-	-	-	Chassis Mount	Screw Terminal	-	-
777-LR-P2 3-PHASE OVERLOAD RELAY/200-480 Littelfuse Inc.	2 In Stock 30 Factory	1 : $1,022.12000 Bulk	777	Bulk	Active	-	200 ~ 480VAC	200 ~ 480V AC	-	Chassis Mount	-	-	-20°C ~ 70°C
777-LR-KW/HP-P2 3-PHASE POWER MONITOR/200-480V Littelfuse Inc.	8 In Stock 25 Factory	1 : $1,035.83000 Bulk	777-KW/HP-P2	Bulk	Active	Multiple	200 ~ 480VAC	1 ~ 800A, 170 ~ 528VAC	0 ~ 999s	DIN Rail	Screw Terminal	-	-20°C ~ 70°C
777-TS 3-PHASE OVERLOAD RELAY/190-480 Littelfuse Inc.	4 In Stock	1 : $1,182.11000 Bulk	777/77C	Bulk	Active	Multiple	200 ~ 480VAC	2 ~ 800A, 170 ~ 528VAC	0.2 ~ 500s	Chassis Mount	Screw Terminal	-	-20°C ~ 70°C
SE-601-0U DC GRND FAULT RELAY 55-75 VDC SU Littelfuse Inc.	2 In Stock 31 Factory	1 : $1,776.29000 Bulk	SE-601	Bulk	Active	Ground Fault, Overcurrent	120 ~ 240VAC/DC	1 ~ 20mA	0.05 ~ 2.5s	Chassis Mount, DIN Rail	Screw Terminal	Manual Reset, Test Button	-40°C ~ 60°C
PGR-4700-24 SENS GRND FAULT RELAY 24VDC SUP Littelfuse Inc.	17 In Stock	1 : $2,056.06000 Bulk	POWR-GARD®	Bulk	Active	Ground Fault	24VDC	0.01 ~ 3A	0 ~ 1.5s	DIN Rail	Screw Terminal	CT Loop Monitoring, Harmonic Filtering, Manual Reset, Test Button	-
PGR-8800-00 ARC-FLASH RELAY NO COMM. UL&C-TI Littelfuse Inc.	2 In Stock	1 : $6,148.14000 Bulk	PGR-8800	Bulk	Active	Arc-Flash, Overcurrent	100 ~ 240VAC, 110 ~ 250VAC, 14 ~ 48VDC	9 ~ 25 klux	0 ~ 20s	Chassis Mount, DIN Rail	Screw Terminal	-	-40°C ~ 70°C
SE-134C-10 GFGC MONITOR LOW VOLTAGE Littelfuse Inc.	3 In Stock	1 : $6,185.69000 Bulk	SE-134C	Bulk	Active	Ground Fault	24 ~ 48VDC	-	0.1 ~ 2.5s	Panel Mount	Screw Terminal	CT Loop Monitoring, Harmonic Filtering, Manual Reset, Test Button	-40°C ~ 60°C
3RN20001AA30 THERMISTOR MOT. PROT. 1CO US=A1 Siemens	1 In Stock	1 : $182.68000 Bulk	SIRIUS 3RN2	Bulk	Active	Overtemperature	24VAC/DC	-	-	DIN Rail	Screw Terminal	Automatic Reset	-25°C ~ 60°C
3RN20112BA30 THERMISTOR MOTOR PROT. 2 CO MANU Siemens	5 In Stock	1 : $291.09000 Bulk	SIRIUS 3RN2	Bulk	Active	Overtemperature	24VAC/DC	-	-	DIN Rail	Spring Terminal	Manual Reset	-25°C ~ 60°C
3RN20111BA30 THERMISTOR MOTOR PROT. 2 CO MANU Siemens	2 In Stock	1 : $291.09000 Bulk	SIRIUS 3RN2	Bulk	Active	Overtemperature	24VAC/DC	-	-	DIN Rail	Screw Terminal	Manual Reset	-25°C ~ 60°C
3UG4618-1CR20 AUT. CORRECTION OF PHASE SEQU. Siemens	5 In Stock	1 : $518.53000 Bulk	SIRUS 3UG4	Bulk	Active	Phase Loss, Phase Sequence, Overvoltage, Undervoltage	90 ~ 400VAC	90 ~ 400VAC	0.1 ~ 20s	DIN Rail	Screw Terminal	Automatic Reset	-25°C ~ 60°C

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Protection relays detect abnormal operating conditions in an industrial system and may trigger an alert or isolate the offending device from the system. Common detection functions include; Arc-flash, temperature monitoring, ground fault, over-current, over-voltage, reverse power flow, over-frequency, under-frequency and phase loss, sequence or imbalance.

Protection Relays & Systems

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