PGR-6101-120 - PGR-6101 Series

Littelfuse Protection Relays PGR-6101 Ground-Fault Insulation Monitor

The PGR-6101 combines the features of a ground-fault protection relay and insulation monitor into one unit. It protects against ground faults by monitoring insulation resistance when the motor is de-energized and by monitoring ground-fault current when the motor is energized. The PGR-6101 features two separate analog outputs for optional current and ohm meters, and two separate alarm relays. It operates on one- or three-phase solidly grounded, resistance grounded and ungrounded systems up to 6 kV.

Property (Mouseover for details) Value
Approvals UL
Relay Contacts Two Form C (N.O./N.C.)
Supply Voltage (VAC) 120 Vac
Supply Voltage (VDC) N/A
IEEE Device Numbers 50G
50N
51G
51N
64
74
Relay Contact Operating Mode Fail-Safe or Non-Fail-Safe
Dimensions 3.0H X 3.9W X4.5D

pdf icon PGR-6101 Datasheet

The PGR-6101 combines the features of a ground-fault protection relay and insulation monitor into one unit.

pdf icon PGR-6101 Manual

The PGR-6101 Ground-Fault & Insulation Monitor can detect a motor ground fault whether the motor is running (Online mode) or stopped (Offline mode), and can be used to protect a motor supplied by a solidly grounded, resistance-grounded, or ungrounded system.