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
D101X D101X=RELAY, CLOSE DIFFERENTIA TE Connectivity Aerospace, Defense and Marine	1,603	1520.55	RFQ	Datasheet	D101X	Bulk	Active	Overvoltage	120VAC	79.2 ~ 120VAC	-	Chassis Mount	Stud	-	-20°C ~ 85°C
3-1618100-0 RELAY VOLTAGE 3 PHASE 480 VAC TE Connectivity Aerospace, Defense and Marine	2,245	1773.67	RFQ	Datasheet	D101X	Bulk	Active	Overvoltage	480VAC	320 ~ 480V AC	-	Chassis Mount	Stud	-	-20°C ~ 85°C
800PSR 3-3W, PHASE FAILURE, PHASE SEQUE Selec Controls USA Inc.	1,716	0.00	RFQ	Datasheet	800PSR	Box	Active	Phase Asymmetry, Phase Loss, Phase Sequence	154 ~ 500VAC	-	-	DIN Rail	Screw Terminal	Automatic Reset	0°C ~ 50°C
640PSR-CE 3-3W PHASE FAILURE RELAY WITH PH Selec Controls USA Inc.	2,799	0.00	RFQ	Datasheet	640PSR	Box	Active	Phase Asymmetry, Phase Loss, Phase Sequence	154 ~ 520VAC	-	0.25s	DIN Rail	Screw Terminal	Automatic Reset	0°C ~ 50°C
600ELR-1-30/500MA-230V ANALOG EARTH LEAKAGE RELAY, LEAK Selec Controls USA Inc.	2,405	0.00	RFQ	Datasheet	600ELR	Box	Active	Ground Fault	230VAC	30 ~ 500mA	0 ~ 10s	DIN Rail	Screw Terminal	Manual Reset, Test Button	-
ELCTR35-1-300MA-230V EARTH LEAKAGE RELAY WITH INBUILT Selec Controls USA Inc.	1,707	0.00	RFQ	Datasheet	ELCTR	Box	Active	Ground Fault	230VAC	300mA	-	DIN Rail	Screw Terminal	Manual Reset, Test Button	0°C ~ 55°C
ELCTR35-1-30MA-230V EARTH LEAKAGE RELAY WITH INBUILT Selec Controls USA Inc.	2,998	0.00	RFQ	Datasheet	ELCTR	Box	Active	Ground Fault	230VAC	30mA	-	DIN Rail	Screw Terminal	Manual Reset, Test Button	0°C ~ 55°C
VPRA2M-CE ANALOG ,1-2W, 3-4W, UNDER / OVER Selec Controls USA Inc.	2,951	0.00	RFQ	Datasheet	VPRA2M	Box	Active	Overvoltage, Phase Asymmetry, Phase Loss, Phase Sequence, Undervoltage	127 ~ 288VAC	69.9 ~ 360VAC	0 ~ 15s	DIN Rail	Screw Terminal	Automatic Reset	-10°C ~ 55°C
600VPR-310/520-CE 3-3W, UNDER / OVER VOLTAGE, PHAS Selec Controls USA Inc.	1,526	0.00	RFQ	Datasheet	600VPR	Box	Active	Phase Loss, Phase Sequence, Overvoltage, Undervoltage	310 ~ 520VAC	310 ~ 520VAC	0.2 ~ 10s	DIN Rail	Screw Terminal	Automatic Reset	0°C ~ 50°C
PPRD-4M-1-230V 1-2W ,DIGITAL PUMP PROTECTION RE Selec Controls USA Inc.	3,583	0.00	RFQ	Datasheet	-	Box	Active	Multiple	180 ~ 300VAC	1 ~ 30A, 180 ~ 300VAC	0 ~ 999s	DIN Rail	Screw Terminal	Manual Reset, Test Button	0°C ~ 55°C
PPRA-4M-3-415V 3-3W, ANALOG PUMP PROTECTION REL Selec Controls USA Inc.	3,144	0.00	RFQ	Datasheet	-	Box	Active	Multiple	415VAC	3 ~ 80A, 280 ~ 500VAC	0 ~ 10s	DIN Rail	Screw Terminal	Manual Reset, Test Button	0°C ~ 55°C
PPRD-4M-3-415V 3-3W, DIGITAL PUMP PROTECTION RE Selec Controls USA Inc.	3,972	0.00	RFQ	Datasheet	-	Box	Active	Multiple	415VAC	3 ~ 80A, 280 ~ 500VAC	0 ~ 999s	DIN Rail	Screw Terminal	Manual Reset, Test Button	0°C ~ 55°C
VPRD2M-BL-CE DIGITAL ,1-2W, 3-4W, UNDER / OVE Selec Controls USA Inc.	3,411	0.00	RFQ	Datasheet	VPRD2M	Box	Active	Overvoltage, Phase Asymmetry, Phase Loss, Phase Sequence, Undervoltage	127 ~ 288VAC	127 ~ 288VAC	0 ~ 300s	DIN Rail	Screw Terminal	Automatic Reset, Manual Reset	-10°C ~ 55°C
MPR-341-2 DIGITAL PANEL MOUNT MOTOR PROTEC Selec Controls USA Inc.	2,388	0.00	RFQ	Datasheet	MPR	Box	Active	Current Asymmetry, Ground Fault, Overcurrent, Overload, Undercurrent	90 ~ 270VAC/DC	3 ~ 80A	0 ~ 999s	Panel Mount	Screw Terminal	Automatic Reset, Manual Reset	0°C ~ 55°C
PPRWD-4M-1 1-2W ,DIGITAL PUMP PROTECTION RE Selec Controls USA Inc.	1,429	0.00	RFQ	Datasheet	-	Box	Active	Multiple	180 ~ 300VAC	1 ~ 30A, 180 ~ 300VAC	0 ~ 999s	DIN Rail	Screw Terminal	Manual Reset, Test Button	0°C ~ 55°C
900CPR-1-BL-U-CE 1 & 3, OVER / UNDER CURRENT MONI Selec Controls USA Inc.	2,572	0.00	RFQ	Datasheet	900CPR	Box	Active	Overcurrent, Undercurrent	85 ~ 270VAC/DC	0 ~ 1.19kA	0 ~ 99.9s	DIN Rail	Screw Terminal	Automatic Reset, Manual Reset	0°C ~ 50°C
1618112-6 RELAY WILMAR UNDERFREQ TE Connectivity Aerospace, Defense and Marine	113	1372.28	RFQ	Datasheet	-	Bulk	Discontinued at Digi-Key	-	-	-	-	-	-	-	-
RISH RELAY V/HZ-3-1002-LA LINE MONITORING RELAY 3-PHASE Rishabh Instruments	3,027	32.00	RFQ	Datasheet	-	Bulk	Active	Overfrequency, Overvoltage, Phase Imbalance, Phase Loss, Underfrequency, Undervoltage	20 ~ 40VAC, 60VDC	45Hz ~ 66Hz	0 ~ 30s	DIN Rail	Screw Terminal	Automatic Reset, Manual Reset, Test Button	-10°C ~ 55°C
MCDR-10-S AC CURRENT RELAY, 10 A, C-T, T/B R-K Electronics, Inc.	3,123	85.00	RFQ	Datasheet	-	Bulk	Active	-	-	10A	0.1s	Chassis Mount	Screw Terminal	Automatic Reset	0°C ~ 40°C
PCPU THREE-PHASE MONITORING RELAY Macromatic Industrial Controls	3,933	75.94	RFQ	Datasheet	PCP	Box	Active	Phase Sequence	190 ~ 500VAC	-	-	Socketable	Plug In, 8 Pin (Octal)	Automatic Reset	-28°C ~ 65°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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