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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
SE-703-03-00 Littelfuse Inc.

SE-703-03-00

MONITOR EARTH LEAKAGE

Littelfuse Inc.

3,260
Datasheet SE-703 Bulk Active Ground Fault 24VAC 25mA ~ 0.5A 0 ~ 0.5s Chassis Mount, DIN Rail Screw Terminal CT Loop Monitoring, Harmonic Filtering, Manual Reset, Test Button -
SE-703-0U-00 Littelfuse Inc.

SE-703-0U-00

MONITOR EARTH LEAKAGE

Littelfuse Inc.

3,791
Datasheet SE-703 Bulk Active Ground Fault 120/240VAC/DC 25mA ~ 0.5A 0 ~ 0.5s Chassis Mount, DIN Rail Screw Terminal CT Loop Monitoring, Harmonic Filtering, Manual Reset, Test Button -
SE-703-03-02 Littelfuse Inc.

SE-703-03-02

MONITOR EARTH LEAKAGE

Littelfuse Inc.

4,176
Datasheet SE-703 Bulk Active Ground Fault 24VAC 25mA ~ 0.5A 0 ~ 0.5s Chassis Mount, DIN Rail Screw Terminal CT Loop Monitoring, Harmonic Filtering, Manual Reset, Test Button -
SE-703-0U-02 Littelfuse Inc.

SE-703-0U-02

MONITOR EARTH LEAKAGE

Littelfuse Inc.

4,506
Datasheet SE-703 Bulk Active Ground Fault 120/240VAC/DC 25mA ~ 0.5A 0 ~ 0.5s Chassis Mount, DIN Rail Screw Terminal CT Loop Monitoring, Harmonic Filtering, Manual Reset, Test Button -
1840DBX TE Connectivity Aerospace, Defense and Marine

1840DBX

1840DBX=WILMAR PARALLELING REL

TE Connectivity Aerospace, Defense and Marine

1,005
Datasheet - Bulk Discontinued at Digi-Key - - - - - - - -
7-1618112-2 TE Connectivity Aerospace, Defense and Marine

7-1618112-2

WUV-3-380P=WILMAR UNDERVOLTAGE

TE Connectivity Aerospace, Defense and Marine

2,506
Datasheet - Bulk Active - - - - - - - -
SE-701-0U-CC Littelfuse Inc.

SE-701-0U-CC

SE-701-0U WITH CONFORMAL COATING

Littelfuse Inc.

4,515
Datasheet - Bulk Active Ground Fault 120 ~ 240VAC/DC - 0.05 ~ 2.5s Chassis Mount, DIN Rail Screw Terminal CT Loop Monitoring, Harmonic Filtering, Manual Reset, Test Button -40°C ~ 60°C
SE-704-0U-CC Littelfuse Inc.

SE-704-0U-CC

SE-704-0U WITH CONFORMAL COATING

Littelfuse Inc.

2,058
Datasheet SE-704 Bulk Active Ground Fault 120/240VAC/DC 0.01 ~ 5A 0.03 ~ 2s Chassis Mount, DIN Rail Screw Terminal CT Loop Monitoring, Harmonic Filtering, Manual Reset, Test Button -40°C ~ 60°C
2-1618107-2 TE Connectivity Aerospace, Defense and Marine

2-1618107-2

WOUF-12-50-T=RELAY, O/U FREQ

TE Connectivity Aerospace, Defense and Marine

3,747
Datasheet - Bulk Discontinued at Digi-Key - - - - - - - -
WUV-1-380 TE Connectivity Aerospace, Defense and Marine

WUV-1-380

WUV-1-380=WILMAR UNDERVOLTAGE

TE Connectivity Aerospace, Defense and Marine

3,560
Datasheet - Bulk Active - - - - - - - -
WUV-1-460 TE Connectivity Aerospace, Defense and Marine

WUV-1-460

WUV-1-460=WILMAR UNDERVOLTAGE

TE Connectivity Aerospace, Defense and Marine

1,558
Datasheet - Bulk Active - - - - - - - -
WUV-1-525 TE Connectivity Aerospace, Defense and Marine

WUV-1-525

WUV-1-525=WILMAR UNDERVOLTAGE

TE Connectivity Aerospace, Defense and Marine

4,113
Datasheet - Bulk Active - - - - - - - -
WD47-002 TE Connectivity Aerospace, Defense and Marine

WD47-002

WD47-002=RELAY PHASE SEQUENCE

TE Connectivity Aerospace, Defense and Marine

2,892
Datasheet - Bulk Active - - - - - - - -
SE-704-03-CC Littelfuse Inc.

SE-704-03-CC

SE-704-03 WITH CONFORMAL COATING

Littelfuse Inc.

1,118
Datasheet - Bulk Active Ground Fault 24VAC 0.01 ~ 5A 0.03 ~ 20s DIN Rail Screw Terminal CT Loop Monitoring, Harmonic Filtering, Manual Reset, Test Button -40°C ~ 60°C
WD5051-002 TE Connectivity Aerospace, Defense and Marine

WD5051-002

WD5051-002=RELAY, OVERCURRENT

TE Connectivity Aerospace, Defense and Marine

3,918
Datasheet - Bulk Active - - - - - - - -
WOUV-125DC-P TE Connectivity Aerospace, Defense and Marine

WOUV-125DC-P

WOUV-125DC-P=RELAY, OVER/UNDERVO

TE Connectivity Aerospace, Defense and Marine

3,237
Datasheet - Bulk Discontinued at Digi-Key Overvoltage, Undervoltage 125VDC 87.5 ~ 156.25VAC 0.075 ~ 0.1s Chassis Mount Screw Terminal - -40°C ~ 75°C
WOV-1-460 TE Connectivity Aerospace, Defense and Marine

WOV-1-460

WOV-1-460=WILMAR OVERVOLTAGE 4

TE Connectivity Aerospace, Defense and Marine

3,429
Datasheet - Bulk Active - - - - - - - -
SE-105E Littelfuse Inc.

SE-105E

GF-GC MON C/W 1N5339B TERM 240VA

Littelfuse Inc.

2,437
Datasheet SE-105 Bulk Active Ground Fault 240VAC 0.5 ~ 4A 0.1 ~ 1s Chassis Mount Screw Terminal Automatic Reset, Manual Reset -40°C ~ 60°C
SE-107E Littelfuse Inc.

SE-107E

GF-GC MONITOR UVR 240 VAC SUPPLY

Littelfuse Inc.

4,896
Datasheet SE-107 Bulk Active Ground Fault 240VAC 0.5 ~ 4A 0.1 ~ 1s Chassis Mount Screw Terminal Automatic Reset, Manual Reset -40°C ~ 60°C
SE-701-0T Littelfuse Inc.

SE-701-0T

GROUND FAULT RELAY 32-70 VDC SUP

Littelfuse Inc.

4,172
Datasheet SE-701 Bulk Active Ground Fault 48VDC - 0.05 ~ 2.5s Chassis Mount, DIN Rail Screw Terminal CT Loop Monitoring, Harmonic Filtering, Manual Reset, Test Button -40°C ~ 60°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

Need Pricing or Stock Support for Protection Relays & Systems?

Submit your required part numbers, manufacturers and quantities to receive stock availability, pricing, lead-time and sourcing support. Our team assists with active components, shortage parts, obsolete models and one-stop BOM procurement.

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