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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-330-26-01 Littelfuse Inc.

SE-330-26-01

MONITOR NGR 48V DUAL RJ45 61850

Littelfuse Inc.

1,855
Datasheet SE-330 Bulk Active Ground Fault 48VDC 20 ~ 10000VAC 0.1 ~ 10s Panel Mount Screw Terminal Harmonic Filtering, Manual Reset -40°C ~ 60°C
SE-330-27-00 Littelfuse Inc.

SE-330-27-00

MONITOR NGR 48V FBR/RJ45 61850

Littelfuse Inc.

4,171
Datasheet SE-330 Bulk Active Ground Fault 48VDC 20 ~ 10000VAC 0.1 ~ 10s Panel Mount Screw Terminal Harmonic Filtering, Manual Reset -40°C ~ 60°C
SE-330-27-01 Littelfuse Inc.

SE-330-27-01

MONITOR NGR 48V FBR/RJ45 61850

Littelfuse Inc.

2,289
Datasheet SE-330 Bulk Active Ground Fault 48VDC 20 ~ 10000VAC 0.1 ~ 10s Panel Mount Screw Terminal Harmonic Filtering, Manual Reset -40°C ~ 60°C
SE-330-28-00 Littelfuse Inc.

SE-330-28-00

MONITOR NGR 48V DUAL FBR 61850

Littelfuse Inc.

1,934
Datasheet SE-330 Bulk Active Ground Fault 48VDC 20 ~ 10000VAC 0.1 ~ 10s Panel Mount Screw Terminal Harmonic Filtering, Manual Reset -40°C ~ 60°C
SE-330-28-01 Littelfuse Inc.

SE-330-28-01

MONITOR NGR 48V DUAL FBR 61850

Littelfuse Inc.

1,802
Datasheet SE-330 Bulk Active Ground Fault 48VDC 20 ~ 10000VAC 0.1 ~ 10s Panel Mount Screw Terminal Harmonic Filtering, Manual Reset -40°C ~ 60°C
SE-330AU-26-00 Littelfuse Inc.

SE-330AU-26-00

MONITOR NGR 48V DUAL RJ45 61850

Littelfuse Inc.

2,208
Datasheet SE-330AU Bulk Active Ground Fault 48VDC 0.125 ~ 30A 0.1 ~ 0.5s Panel Mount Screw Terminal Harmonic Filtering, Manual Reset -
SE-330AU-26-01 Littelfuse Inc.

SE-330AU-26-01

MONITOR NGR 48V DUAL RJ45 61850

Littelfuse Inc.

4,637
Datasheet SE-330AU Bulk Active Ground Fault 48VDC 0.125 ~ 30A 0.1 ~ 0.5s Panel Mount Screw Terminal Harmonic Filtering, Manual Reset -
SE-330AU-27-00 Littelfuse Inc.

SE-330AU-27-00

MONITOR NGR 48V SC FBR/RJ45

Littelfuse Inc.

3,559
Datasheet SE-330AU Bulk Active Ground Fault 48VDC 0.125 ~ 30A 0.1 ~ 0.5s Panel Mount Screw Terminal Harmonic Filtering, Manual Reset -
SE-330AU-27-01 Littelfuse Inc.

SE-330AU-27-01

MONITOR NGR 48V SC FBR/RJ45

Littelfuse Inc.

2,886
Datasheet SE-330AU Bulk Active Ground Fault 48VDC 0.125 ~ 30A 0.1 ~ 0.5s Panel Mount Screw Terminal Harmonic Filtering, Manual Reset -
SE-330AU-28-00 Littelfuse Inc.

SE-330AU-28-00

MONITOR NGR 48V DUAL SC FBR

Littelfuse Inc.

2,753
Datasheet SE-330AU Bulk Active Ground Fault 48VDC 0.125 ~ 30A 0.1 ~ 0.5s Panel Mount Screw Terminal Harmonic Filtering, Manual Reset -
SE-330AU-28-01 Littelfuse Inc.

SE-330AU-28-01

MONITOR NGR 48V DUAL SC FBR

Littelfuse Inc.

4,107
Datasheet SE-330AU Bulk Active Ground Fault 48VDC 0.125 ~ 30A 0.1 ~ 0.5s Panel Mount Screw Terminal Harmonic Filtering, Manual Reset -
SE-330HV-26-00 Littelfuse Inc.

SE-330HV-26-00

MONITOR NGR HV 48V DUAL RJ45

Littelfuse Inc.

3,276
Datasheet SE-330HV Bulk Active Ground Fault 48VDC 20 ~ 10000VAC 0.1 ~ 10s Panel Mount Screw Terminal Harmonic Filtering, Manual Reset -40°C ~ 60°C
SE-330HV-26-01 Littelfuse Inc.

SE-330HV-26-01

MONITOR NGR HV 48V DUAL RJ45

Littelfuse Inc.

3,062
Datasheet SE-330HV Bulk Active Ground Fault 48VDC 20 ~ 10000VAC 0.1 ~ 10s Panel Mount Screw Terminal Harmonic Filtering, Manual Reset -40°C ~ 60°C
SE-330HV-27-00 Littelfuse Inc.

SE-330HV-27-00

MONITOR NGR HV 48V SC FBR/RJ45

Littelfuse Inc.

4,479
Datasheet SE-330HV Bulk Active Ground Fault 48VDC 20 ~ 10000VAC 0.1 ~ 10s Panel Mount Screw Terminal Harmonic Filtering, Manual Reset -40°C ~ 60°C
SE-330HV-27-01 Littelfuse Inc.

SE-330HV-27-01

MONITOR NGR HV 48V SC FBR/RJ45

Littelfuse Inc.

4,213
Datasheet SE-330HV Bulk Active Ground Fault 48VDC 20 ~ 10000VAC 0.1 ~ 10s Panel Mount Screw Terminal Harmonic Filtering, Manual Reset -40°C ~ 60°C
SE-330HV-28-00 Littelfuse Inc.

SE-330HV-28-00

MONITOR NGR HV 48V DUAL SC FBR

Littelfuse Inc.

2,628
Datasheet SE-330HV Bulk Active Ground Fault 48VDC 20 ~ 10000VAC 0.1 ~ 10s Panel Mount Screw Terminal Harmonic Filtering, Manual Reset -40°C ~ 60°C
SE-330HV-28-01 Littelfuse Inc.

SE-330HV-28-01

MONITOR NGR HV 48V DUAL SC FBR

Littelfuse Inc.

3,500
Datasheet SE-330HV Bulk Active Ground Fault 48VDC 20 ~ 10000VAC 0.1 ~ 10s Panel Mount Screw Terminal Harmonic Filtering, Manual Reset -40°C ~ 60°C
NGRM-ENC-000-00 Littelfuse Inc.

NGRM-ENC-000-00

SE-325 NGR MON ENCL

Littelfuse Inc.

4,615
Datasheet NGRM-ENC Bulk Active Ground Fault 120VAC - - Chassis Mount - - -40°C ~ 60°C
7-1618395-9 TE Connectivity Aerospace, Defense and Marine

7-1618395-9

WC3-26DC-5SX/01=RELAY, OVER CURR

TE Connectivity Aerospace, Defense and Marine

3,578
Datasheet - Bulk Active Overcurrent 26VDC 1 ~ 5A - Chassis Mount Screw Terminal - -40°C ~ 70°C
NGRM-ENC-201-20 Littelfuse Inc.

NGRM-ENC-201-20

PMT SE-330 METER PULSING

Littelfuse Inc.

3,046
Datasheet NGRM-ENC Bulk Active Ground Fault 120VAC - - Chassis Mount - - -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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