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Sensors and limit switches

EGFL Series CurrentWatch ground fault sensors

The CurrentWatch EGFL Series is a family of ground fault (earth leakage) sensors. Ground fault sensors help protect people, products and processes from damage by ground fault conditions by monitoring all current-carrying conductors in grounded single- and three-phase delta or wye systems. 

The EGFL Series is available with either solid-state or mechanical relay outputs. The EGFL Series with mechanical relays is available in solid-core housings with a choice of NO or NC SPST latching relays and a SPDT Form C relay with auto-reset.

All mechanical models can be ordered with a fixed set point or with a “tri-set” option, which provides three factory-set, field-adjustable set points.  

EGFL Series CurrentWatch ground fault sensors core features

  • Broad range of options to meet application needs—mechanical relays, normally energized or normally de-energized contacts
  • Set point options maximize ease-of-use and application flexibility—field-selectable 5, 10 or 30 mA set points on the EGFL "tri-set" models make user adjustments fast, sure and convenient
  • Compatible with standard equipment—application on single- and three-phase systems, ideal for use with shunt trip breakers, and magnetically isolated from monitored circuit and control power

Application in which the EGFL Series ground fault sensors excel

  • Personnel protection (typically 5 mA)—detects sensitive ground fault conditions, which could cause injury to people
  • Equipment protection (typically 10 or 30 mA)—for applications where personnel protection is not the primary concern, higher set point capability helps eliminate nuisance tripping
  • Regulatory—meets requirements as stipulated by governmental and industrial regulatory groups for ground fault sensing
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