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ELECTRONIC COMPONENTS

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.

Photo Mfr. Part # Availability Price Quantity Datasheet Series Packaging Product Status Function Voltage - Supply Trip Range Delay Time Mounting Type Termination Style Features Operating Temperature
SL180024 Carlo Gavazzi Inc.

SL180024

SET RESET MEM RELAY 24 VAC

Carlo Gavazzi Inc.

4,692
Datasheet * Box Obsolete - - - - - - - -
SE-KQ2EN Omron Automation and Safety

SE-KQ2EN

RELAY MOTOR PROTECT 200/220/240V

Omron Automation and Safety

1,790
Datasheet SE Bulk Active Overcurrent, Phase Loss, Phase Sequence 200/220/240VAC 1 ~ 160A 1 ~ 40s Panel Mount Screw Terminal Manual Reset, Test Button -10°C ~ 60°C
ZVS-120A-A1C R-K Electronics, Inc.

ZVS-120A-A1C

MV RELAY 120VAC, ADJ 35-430MV SP

R-K Electronics, Inc.

1,875
Datasheet - Box Active Overvoltage 100 ~ 120VAC 38 ~ 380VAC 0.5 ~ 40s Chassis Mount Screw Terminal - 0°C ~ 65°C
3RN20231DW30 Siemens

3RN20231DW30

THERMISTOR MOT. PROT. 1NO 1CO WA

Siemens

3,006
Datasheet SIRIUS Box Active Overtemperature 24 ~ 240VAC/DC - - DIN Rail Screw Terminal Automatic Reset, Manual Reset -25°C ~ 60°C
3RN20232DW30 Siemens

3RN20232DW30

THERMISTOR MOT. PROT. 1NO 1CO WA

Siemens

4,406
Datasheet SIRIUS Box Active Overtemperature 24 ~ 240VAC/DC - - DIN Rail Spring Terminal Automatic Reset, Manual Reset -25°C ~ 60°C
77C-KW/HP Littelfuse Inc.

77C-KW/HP

1-PHASE POWER MONITOR/ 100-240

Littelfuse Inc.

4,012
Datasheet 77C-KW/HP Bulk Active Arc-Flash, Overload 100 ~ 240VAC 2 ~ 90A, 85 ~ 264VAC 0.2 ~ 500s Chassis Mount Screw Terminal - -20°C ~ 70°C
77C-LR Littelfuse Inc.

77C-LR

1-PHASE OVERLOAD RELAY/ 100-24

Littelfuse Inc.

1,843
Datasheet 77C Bulk Active Multiple 100 ~ 240VAC 1 ~ 9A, 85 ~ 264VAC 0.2 ~ 500s Chassis Mount Screw Terminal - -20°C ~ 70°C
77C-LR-KW/HP Littelfuse Inc.

77C-LR-KW/HP

1-PHASE POWER MONITOR/ 100-240

Littelfuse Inc.

4,179
Datasheet 77C-KW/HP Bulk Active Arc-Flash, Overload 100 ~ 240VAC 1 ~ 9A, 85 ~ 264VAC 0.2 ~ 500s Chassis Mount Screw Terminal - -20°C ~ 70°C
K2CM-Q2LSA Omron Automation and Safety

K2CM-Q2LSA

MOTOR PROTECTIVE RELAY

Omron Automation and Safety

2,367
Datasheet K2CM Bulk Active Overcurrent, Phase Loss, Phase Sequence 200/220/240VAC 2 ~ 8A 2 ~ 40s Chassis Mount Screw Terminal Automatic Reset, Test Button -10°C ~ 60°C
6-1618386-5 TE Connectivity Aerospace, Defense and Marine

6-1618386-5

WOUV-12DC-A = RELAY, OVER/UNDERV

TE Connectivity Aerospace, Defense and Marine

2,299
Datasheet WOUV Bulk Discontinued at Digi-Key Overvoltage, Undervoltage 12VDC 8.4 ~ 15VAC 0.075 ~ 0.1s Chassis Mount Screw Terminal - -40°C ~ 75°C
D1200.0010 Littelfuse Inc.

D1200.0010

CAPACITOR TRIP UNIT

Littelfuse Inc.

3,393
Datasheet D1200 Bulk Obsolete Arc-Flash 220 ~ 250VAC, 200 ~ 300VDC - - - - - -
777-P2-DEMO-3 Littelfuse Inc.

777-P2-DEMO-3

P2 DEMO KIT W/ RM1K RM2K

Littelfuse Inc.

1,068
Datasheet 777 Bulk Obsolete Multiple 200 ~ 480VAC 200 ~ 480V AC - Chassis Mount Screw Terminal Demo Kit with CIO-EN and RM-1000/2000 -20°C ~ 70°C
2-1618274-2 TE Connectivity Aerospace, Defense and Marine

2-1618274-2

HC-1/S55=RELAY, VACUUM, SPDT

TE Connectivity Aerospace, Defense and Marine

2,162
Datasheet - Bulk Active - - - - - - - -
SE-100T Littelfuse Inc.

SE-100T

GROUND FAULT MONITOR

Littelfuse Inc.

2,605
Datasheet - Bulk Active Ground Fault 120VAC - - Chassis Mount Screw Terminal Test Button -40°C ~ 50°C
T2200.0030 Littelfuse Inc.

T2200.0030

OVERCURRENT RELAY

Littelfuse Inc.

3,326
Datasheet - Bulk Discontinued at Digi-Key Overcurrent 230VAC - 3 ~ 30s Chassis Mount Screw Terminal Automatic Reset -20°C ~ 70°C
WD47-003 TE Connectivity Aerospace, Defense and Marine

WD47-003

WD47-003=RELAY PHASE SEQUENCE

TE Connectivity Aerospace, Defense and Marine

1,539
Datasheet - Bulk Discontinued at Digi-Key - - - - - - - -
SE-703-03 Littelfuse Inc.

SE-703-03

MONITOR EARTH LEAKAGE 24VDC

Littelfuse Inc.

2,883
Datasheet * Bulk Obsolete - - - - - - - -
SE-703-0U Littelfuse Inc.

SE-703-0U

MONITOR EARTH LEAKAGE 120/240VAC

Littelfuse Inc.

4,798
Datasheet * Bulk Obsolete - - - - - - - -
777-575-LR-P2 Littelfuse Inc.

777-575-LR-P2

3-PHASE OVERLOAD RELAY/500-600

Littelfuse Inc.

2,340
Datasheet 777/77C Bulk Active Multiple 500 ~ 600VAC 1 ~ 800A, 170 ~ 528VAC 0 ~ 999s Chassis Mount Screw Terminal - -20°C ~ 70°C
777-MV-P2 Littelfuse Inc.

777-MV-P2

3-PH OLR/100-240V/12.5-800FLA/

Littelfuse Inc.

4,308
Datasheet 777/77C Bulk Active Multiple 100 ~ 240VAC 10 ~ 800A, 85 ~ 264VAC 0 ~ 999s Chassis Mount Screw Terminal - -20°C ~ 70°C
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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.

BOM & COMPONENT SOURCING

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