Ground-Fault Protection


  • SE-601

  • Operates on DC ungrounded systems ranging from industrial 24- Vdc control circuits to 1000-Vdc solar...More

  • Supply
    Voltage
    (VAC):
     120 - 240

  • Supply
    Voltage
    (VDC):
     100 - 240, 12-30, 40 - 55

  • Relay
    Contacts:
     One Form A (N.O.); One Form B (N.C.)

  • EL731

  • Operates on AC resistance grounded systems and DC grounded systems. The EL731 is a microprocessor-ba...More

  • Supply
    Voltage
    (VAC):
     120/240, 24

  • Supply
    Voltage
    (VDC):
     120/ 240, 120/240, 24, 48

  • Relay
    Contacts:
     Three Form C (N.O./N.C.)

  • SE-502

  • The SE-502 Ground-Fault Ground-Continuity Detector provides Class-A GFCI trip level and trip times f...More

  • Supply
    Voltage
    (VAC):
     120

  • Supply
    Voltage
    (VDC):
     N/A

  • Relay
    Contacts:
     Three Form C (N.O./N.C.)

  • SE-701

  • Operates on AC solidly grounded and AC resistance grounded systems. The SE-701 is a microprocessor-...More

  • Supply
    Voltage
    (VAC):
     120/240, 24

  • Supply
    Voltage
    (VDC):
     120/240, 12-24, 48

  • Relay
    Contacts:
     One Form A (N.O.); One Form B (N.C.)

  • SE-704

  • Operates on AC solidly grounded and AC resistance grounded systems. The SE-704 is a microprocessor-b...More

  • Supply
    Voltage
    (VAC):
     120/240, 24

  • Supply
    Voltage
    (VDC):
     120/240, 12-24, 48

  • Relay
    Contacts:
     One Form A (N.O.); One Form B (N.C.)

  • PGR-4700

  • Operates on AC solidly grounded and AC resistance grounded systems. The PGR-4700 sensitive ground-fa...More

  • Supply
    Voltage
    (VAC):
     24, 120, 240

  • Supply
    Voltage
    (VDC):
     24

  • Relay
    Contacts:
     Two Form C (N.O./N.C.)

pdf icon SE-601 Manual

The SE-601 is a microprocessor-based ground-fault monitor for ungrounded dc systems. Its output relay can operate in the fail-safe or non-fail-safe mode for undervoltage or shunt-trip applications.

pdf icon SE-601 Manual Spanish

SE-601 3D Model

SE-GRM500 3D Model

Littelfuse Protection Relays SE-601 CAD Drawing

pdf icon SE-601 Datasheet

Littelfuse Protection Relays SE 601 R13 CAD Drawing

Littelfuse Protection Relays SE GRM 010-125

Littelfuse Protection Relays SE GRM 500

pdf icon Littelfuse Protection Relays Lowering the Limits TN

Lowering the Limits for Earth-Fault Detection...

pdf icon EL731 Datasheet

pdf icon EL731 Manual

pdf icon EL731 Spanish Manual

El EL731 es un relé de fuga a tierra con microprocesador, para circuitos de potencia de CA,CC, CA/CC combinadas y de frecuencia variable suministrado por sistemas de resistencia a tierra o con conexión sólida a tierra que requieren la detección de fuga a tierra mínima de 30 mA (menor a la configuración predeterminada ).

pdf icon EL731 Profibus Manual

pdf icon EL731 DeviceNet Manual

This document describes the AC-700-CUA-01 Communications Upgrade Adapter DeviceNet features supported by the EL731.

pdf icon EL731 EthernetIP Interface Manual

This document describes the AC-700-CUA-03 Communications Upgrade Adaptor Ethernet/IP features supported by the EL731.

pdf icon EL731 Modbus TCP Interface Manual

This document describes the AC-700-CUA-04 Communications Upgrade Adaptor Modbus TCP features supported by the EL731.

pdf icon AC700 CUA Manual

EL731 Fig1 Outline Mounting Detail CAD Drawing

pdf icon White Paper - Ground-Fault Protection with VFDs

pdf icon White Paper - Protección de falla a tierra en variadores de frecuencia

Cómo utilizar un relé sensible a la tensión para encontrar fallas a tierra difíciles de hallar en variadores de frecuencia (VFD) de sistemas de resistencia eléctrica con conexión a tierra.

pdf icon EL731 Firmware Update Instructions

pdf icon EL731 Industrial Electrix Article 2015

pdf icon Underground Coal - Going to Ground Article

pdf icon PGR-3100 Datasheet

Littelfuse_ProtectionRelays_PGR 3100 Micon PGR-3100 Manual

Littelfuse_protectionrelays_PGR 3200icon PGR-3200 Datasheet

pdf icon PGR-3200 Manual

pdf icon Littelfuse Protection Relay PGR-4300

Littelfuse_ProtectionRelays_PGR 4300 Micon PGR-4300 Manual

pdf icon SE-502 Datasheet

pdf icon SE-502 Manual

pdf icon SE-502 Manual Spanish

pdf icon SE-701 Datasheet

pdf icon SE-701 Manual

The SE-701 is a microprocessor-based ground-fault monitor for resistance-grounded and solidly grounded systems. It is uniquely suited for use on systems with significant harmonic content.

pdf icon SE-701 Manual Spanish

pdf icon SE-701 Manual Russian

pdf icon SE-701 Cross Reference Russian

SE-701, 703, 704 3D Model

Littelfuse Protection Relays SE 701 CAD Drawing

pdf icon SE-703 Datasheet

pdf icon SE-703 Manual

The SE-703 is a microprocessor-based earth-leakage monitor for ac power supply systems incorporating earthfault current limitation. Its output relay can operate in the fail-safe or non-fail-safe mode for undervoltage or shunt-trip applications.

pdf icon SE-703 Installation Guide

pdf icon SE-703 Manual Spanish

pdf icon SE-703 AS2081Test Report SE-703 r1

The SE-703 is a microprocessor-based earth-leakage monitor for resistanceearthed three-phase or single-phase systems...