Protection Relays & Systems

Explore Protection Relays & Systems parts from multiple manufacturers, with model information, availability, datasheets and technical specifications for engineering and purchasing.

For parts that are not shown in the list, send the manufacturer part number, quantity or BOM to ICMENU. Our team can assist with availability checks and quotation support.

Mfr. Part #	Availability	Price	Quantity	Datasheet	Series	Packaging	Product Status	Function	Voltage - Supply	Trip Range	Delay Time	Mounting Type	Termination Style	Features	Operating Temperature
SE-107 GROUND-FAULT GROUND-CHECK MON Littelfuse Inc.	1,027	1295.83	RFQ	Datasheet	SE-107	Bulk	Active	Ground Fault	120VAC	0.5 ~ 5A	0.1 ~ 1s	Chassis Mount	Screw Terminal	Automatic Reset, Manual Reset	-
AF0100-00 ARC-FLASH RELAY, UNIVERSAL SUPPL Littelfuse Inc.	4,269	910.84	RFQ	Datasheet	AF0100	Bulk	Active	Arc-Flash	100 ~ 240VAC/DC, 24 ~ 48VDC	10 ~ 25 klux	-	Chassis Mount, DIN Rail	Screw Terminal	-	-40°C ~ 70°C
SE-601-0D-CC SE-601-0D WITH CONFORMAL COATING Littelfuse Inc.	4,817	1717.32	RFQ	Datasheet	SE-601	Bulk	Active	Ground Fault, Overcurrent	12 ~ 24VDC	0.1 ~ 0.2A	0.5 ~ 2.5s	Chassis Mount, DIN Rail	Screw Terminal	Manual Reset, Test Button	-40°C ~ 85°C
PGR-6100-240 MOTOR GROUND FAULT & INSUL RELAY Littelfuse Inc.	3,118	2040.24	RFQ	Datasheet	PGR-6100	Bulk	Active	Ground Fault	240VAC	10mA ~ 3A	0.05 ~ 1s	Chassis Mount, DIN Rail	Screw Terminal	Harmonic Filtering, Manual Reset, Test Button	-
RES100K NGR MONITOR TEST RESISTOR 100 KO Littelfuse Inc.	3,510	14.01	RFQ	Datasheet	-	Bulk	Active	-	-	-	-	-	-	-	-
S8M-CP04 PWR MULTICIRCUIT PROTECT Omron Automation and Safety	3,196	404.37	RFQ	Datasheet	S8M	Bulk	Active	Overcurrent, Overtemperature, Overvoltage, Undervoltage	24VDC	0.5mA ~ 4A, 18.0 ~ 28.8VDC	-	DIN Rail	Screw Terminal	-	-10°C ~ 60°C
WD2759-003 WD2759-003=OVER/UNDERVOLTAGE R TE Connectivity Aerospace, Defense and Marine	4,451	1182.67	RFQ	Datasheet	WD2759	Bulk	Active	Overvoltage, Undervoltage	100 ~ 140VAC, 100 ~ 200VDC	72 ~ 672VAC	0.5 ~ 10s	Chassis Mount, DIN Rail	Screw Terminal	-	-40°C ~ 60°C
640PSR-V-CE 3-3W PHASE FAILURE RELAY WITH PH Selec Controls USA Inc.	2,279	0.00	RFQ	Datasheet	640PSR	Box	Active	Overvoltage, Phase Asymmetry, Phase Loss, Phase Sequence, Undervoltage	154 ~ 520VAC	-	2 ~ 10s	DIN Rail	Screw Terminal	-	0°C ~ 50°C
642PSR-310/520V 3-3W, PHASE FAILURE, PHASE SEQUE Selec Controls USA Inc.	3,946	0.00	RFQ	Datasheet	642PSR	Box	Active	Phase Asymmetry, Phase Loss, Phase Sequence	280 ~ 520VAC	-	0.4s	DIN Rail	Screw Terminal	Automatic Reset	0°C ~ 50°C
600VPR-1-130/320-CE 1-2W, UNDER / OVER VOLTAGE, PHAS Selec Controls USA Inc.	3,893	0.00	RFQ	Datasheet	600VPR	Box	Active	Overvoltage, Undervoltage	130 ~ 320VAC	130 ~ 320VAC	0.25 ~ 20s	DIN Rail	Screw Terminal	Automatic Reset	0°C ~ 50°C
PPRA-4M-1-230V 1-2W ,ANALOG PUMP PROTECTION RE Selec Controls USA Inc.	2,628	0.00	RFQ	Datasheet	-	Box	Active	Multiple	180 ~ 300VAC	180 ~ 300VAC	0 ~ 10s	DIN Rail	Screw Terminal	Automatic Reset	-
MPR-3M-2-230V ANALOG MOTOR PROTECTION RELAY, 2 Selec Controls USA Inc.	4,460	0.00	RFQ	Datasheet	MPR	Box	Active	Overcurrent, Phase Asymmetry, Phase Loss, Phase Sequence, Undercurrent	230VAC	-	5.5s	DIN Rail	Screw Terminal	Automatic Reset, Manual Reset	0°C ~ 50°C
MPR-3M-2-415V ANALOG MOTOR PROTECTION RELAY, 2 Selec Controls USA Inc.	3,999	0.00	RFQ	Datasheet	MPR	Box	Active	Overcurrent, Phase Asymmetry, Phase Loss, Phase Sequence, Undercurrent	415VAC	-	5.5s	DIN Rail	Screw Terminal	Automatic Reset, Manual Reset	0°C ~ 50°C
900CPR-1-230V 1, OVER / UNDER CURRENT MONITORI Selec Controls USA Inc.	1,415	0.00	RFQ	Datasheet	900CPR	Box	Active	Overcurrent, Undercurrent	230VAC	0 ~ 1.19kA	0 ~ 99.9s	DIN Rail	Screw Terminal	Automatic Reset, Manual Reset	0°C ~ 50°C
900CPR-3-230V 1 & 3, OVER / UNDER CURRENT MON Selec Controls USA Inc.	4,699	0.00	RFQ	Datasheet	900CPR	Box	Active	Current Asymmetry, Overcurrent, Undercurrent	230VAC	0 ~ 1.19kA	0 ~ 99.9s	DIN Rail	Screw Terminal	Automatic Reset, Manual Reset	0°C ~ 50°C
ELR-341-1 PANEL MOUNT ELR, LEAKAGE CURRENT Selec Controls USA Inc.	2,249	0.00	RFQ	Datasheet	ELR	Box	Active	Ground Fault	90 ~ 270VAC/DC	30mA ~ 30A	0 ~ 999s	Panel Mount	Screw Terminal	Automatic Reset, Manual Reset	0°C ~ 55°C
600PSR-165/300-CU PROTECTION RELAY 3PH 165-300V AC Altech Corporation	4,148	28.94	RFQ	Datasheet	600PSR	Bulk	Active	Phase Loss, Phase Sequence, Phase Imbalance	165 ~ 300VAC	-	0.2 ~ 10s	DIN Rail	Screw Terminal	Automatic Reset	0°C ~ 50°C
7760054310 WPM-VMR-3PH-PH Weidmüller	3,668	0.00	RFQ	Datasheet	WPM	Box	Active	Phase Loss	400VAC	-	-	DIN Rail	Screw Terminal	-	-20°C ~ 60°C
7760054302 EPAK-VMR-3PH-480-ILP-H Weidmüller	3,987	0.00	RFQ	Datasheet	EPAK	Box	Active	Phase Loss, Phase Sequence	165 ~ 550VAC	-	-	DIN Rail	Screw Terminal	-	-20°C ~ 60°C
DEB71DM24A5 MODULAR EARTH LEAKAGE MONITORING Carlo Gavazzi Inc.	3,932	0.00	RFQ	Datasheet	DEB71	Bulk	Active	Ground Fault	24 ~ 240VAC	0.03 ~ 5A	0 ~ 5s	DIN Rail	Screw Terminal	Manual Reset, Test Button	-25°C ~ 60°C

FAQ

Frequently Asked Questions

What are Protection Relays & Systems components used for?

Protection Relays & Systems components are used in a wide range of electronic equipment and systems. Their exact function depends on the device, circuit design and technical requirements of the application.

How do I choose the right Protection Relays & Systems part?

Compare the manufacturer part number, key specifications, package type, operating conditions, availability and datasheet information. For replacement projects, always verify the critical electrical and mechanical parameters before selecting an alternative.

Can ICMENU help source obsolete or hard-to-find Protection Relays & Systems parts?

Yes. Send us the required manufacturer part number, quantity or BOM. Our sourcing team can help check stock availability, lead time, alternative sourcing options and quotation details.

How can I request pricing and availability?

Submit the part number, manufacturer and required quantity through our RFQ form. ICMENU will review your request and provide available stock, pricing and sourcing information.

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