Sensing Solutions

The CurrentWatch EGF Series from Eaton’s electrical business 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 EGF Series is available with either solid-state or mechanical relay outputs.

The EGF Series with solid-state outputs offers the benefit of reliable, long-lasting solid-state switches. Solid-state design provides unlimited switch operating life, superior resistance to shock and vibration, zero off-state leakage, high switch speeds and high input-output isolation. Solid-state outputs have solidcore housings with screw terminals.

The EGF Series with mechanical relay outputs are available in solidcore housings with a choice of N.O. or N.C. SPST latching relays and a SPDT Form C relay with auto-reset. All mechanical models can be ordered with a fixed setpoint or with a “triset” option, which provides three factory-set, field-adjustable setpoints.

Product Features

• Broad Range of Options to Meet Application Needs — N.O. or N.C., solidstate or mechanical relays, normally energized or normally de-energized contacts
• Setpoint Options Maximize Ease-of-Use and Application Flexibility — Field selectable 5, 10 or 30 mA setpoints on the EGF "Tri-set" models make user adjustments fast, sure and convenient
• Compatible with Standard Equipment — Application on single- and threephases systems, ideal for use with shunt trip breakers, and magnetically isolated from monitored circuit and control power
• Agency Approved — UL and CE Certified, accepted worldwide

Typical Applications

• Personnel Protection (Typically 5 mA) — Detects sensitive ground fault conditions, which could cause injury to people, and functions as a sensor and alarm trigger when applied as an input to an overall ground fault protection system
• Equipment Protection (Typically 10 or 30 mA) — For applications where personnel protection is not the primary concern, higher setpoint capability helps eliminate nuisance tripping while still providing adequate ground fault detection to protect machine electronics
• Regulatory — Meets requirements as stipulated by governmental and industrial regulatory groups for ground fault sensing

Approvals

• UL Recognized