Three-Phase Ground Fault Display promotes corrective action.

Press Release Summary:

Model GFD detects and indicates phase of first ground fault condition on ungrounded or isolated system, enabling corrective action to avoid potential hazards resulting from second ground fault. Flashing red LED gives positive fault indication of phase-to-ground fault or lost connection to corresponding phase. Supplied in 94V-0, flame-retardant, black ABS plastic, panel-mount enclosure, unit has detection threshold of 11.7 kW ±20% @ 50 Hz and 9.3 kW ±20% @ 60 Hz.

Original Press Release:

NEW! Model GFD 3-Phase Ground Fault Display

Dwyer Instruments, Inc., the preferred source for your complete range of practical and affordable instrumentation, is announcing the release of its NEW MODEL GFD 3-PHASE GROUND FAULT DISPLAY.

The Model GFD 3-Phase Ground Fault Display provides detection and indication of the phase of the first ground fault condition on an ungrounded or isolated system. This enables corrective action to avoid the potential hazards resulting from a second ground fault. A flashing red LED gives positive FAULT indication of either a phase-to-ground fault or a lost connection to the corresponding phase.

Complete details are available on our website @

Dwyer Instruments, Inc.
P.O. Box 373
Michigan City, IN 46361
Phone: (800) 872-9141 or (219) 879-8000
Fax: (219) 872-9057
Internet address:

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