Meg-Alert, GP2500-G-AS-D1, GenGuard Automatic Single Generator Insulation Tester Kit with Digital Switchboard Meter, 2500 VDC
GP2500-G-AS Includes Only:
- GP7000-D1 digital switchboard meter
- GP8012-GU-AS remote LED four (4) / switch assembly
- GP10016 HV fuse block assembly
- GP10025 HV test lead assembly
Features:
- Single generator model
- Auto/Manual test operation
- Adjustable alarm and pre-alarm set points
- Latching alarm contacts with manual reset
- Pre-alarm contacts with auto reset
- Fused input and H.V. test lead
- 15 ft. two-way current-limited H.V. test lead w/plug
- 2500 VDC test voltage
- Remote Calibration and system test switch
- Long-life, flashing remote LED/switch assembly w/15 ft. cable
- 1% Panel meter with 4" color-coded dial
- Ground Interrupter safety interface
Applications:
- AC synchronous generators
- Hydro generators
- Standby generators
Automatic Insulation Resistance Tester that monitors and protects critical-duty generators.
Operation
GenGuard applies a current-limited, fixed DC voltage to the generator's windings during idle periods. On four wire neutral grounded systems the ground interrupter automatically opens the neutral ground while the GenGuard is testing the windings. The ground interrupter safety circuit will not allow the generator to operate unless the neutral ground is closed. A solid-state comparator circuit monitors measured leakage current to ground. Two adjustable set points, factory preset to customer specifications, can be programmed to signal a pre-alarm, alarm and lockout the equipment from operating if the low set point is exceeded. The manual reset feature enables a return to operational status only after the alarm condition has been corrected. GenGuard will not impair normal operation of the equipment being monitored.
For more information, please see 
Wiring Diagram
