PGR-6101 Series – Ground-Fault and Insulation Monitor Series - Littelfuse PGR-6101 Relays Provide Superior Ground-Fault Protection

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Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those expressly set forth in applicable Littelfuse product documentation. Warranties granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall not be liable for any claims or damages arising out of products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless otherwise agreed by Littelfuse. "Littelfuse" includes Littelfuse, Inc., and all of its affiliate entities.

The PGR-6101 series relay operates on one- or three-phase solidly grounded, resistance-grounded, and ungrounded ac systems up to 6 kV. This relay 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 as well as two separate alarm relays.

Features

  • Adjustable GF pickup (30–200 mA)
  • Adjustable insulation pickup (60–600 kΩ)
  • Adjustable time delay (50–250 ms)
  • Output contacts
  • Analog outputs (0–1 mA)
  • CT-loop monitoring
  • Selectable contact operating mode
  • POWR-GARD® technology

Access specifications, certifications, check availability and order parts below

Catalog #Supply
Voltage
VAC
Supply
Voltage
VDC
Relay Contacts ConfigIEEE Device NumbersRelay
Contact
Operating
DimensionsWeight (lbs/g)Conformally coatedGF Trip Level AGF Trip Time sHarmonic FilteringReset TypeTest ButtonSamples
PGR-6101-120120N/A2 Form C (N.O./N.C.)50G - 50N - 51G - 51N - 64 - 74Fail-safe / Non Fail-safe3 H x 3.9 W x 4.5 D in.0 KgOptional0.03 - 0.200.05 - 0.25YesFront-panel switchFront-panel switchOrder
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