GFR2KNT0 Ground Fault Protection Relay – Duncan Instruments Canada Ltd
GFR2KNT0 Ground Fault Protection Relay
GFR2KNT0 Ground Fault Protection Relay
GFR2KNT0 Ground Fault Protection Relay
GFR2KNT0 Ground Fault Protection Relay

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Duncan Instruments calibrates and supports the GFR2KNT0 Ground Fault Protection Relay right here in Canada. Whether you need annual certification, repairs, or help interpreting your test results — our expert technicians are ready to help.

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GFR2KNT0 Ground Fault Protection Relay

$ 318.00 CAD Sale

Selectable Time Delay. Precision Ground Fault Protection.

The Skymatic GFR2KNT0 expands on the trusted design of the original GFR2 relay—now with five selectable time delay settings (0.1, 0.25, 0.5, 0.75, and 1 second), giving you greater control over nuisance tripping and system coordination.

Like all GFR2 models, this relay was developed for a Canadian nuclear station and continues to protect critical equipment in industrial environments today. It is CSA approved and built in the Greater Toronto Area, housed in a DIN-rail mountable enclosure for easy integration.

Our Ground Fault System protects motors, transformers, feeders, and other essential equipment from damage caused by low-magnitude ground currents. It operates reliably on both high and low resistance grounded systems.

This relay requires a compatible current transformer (CT) for proper operation. Browse our ANSI-rated CTs here.

📄 Download GFR2 Manual (PDF)

⚙️ Model Configuration: GFR2KNT0

  • K – Trip range: 10–100 mA (10 steps)

  • N – Output: 1 Form A + 1 Form B relay contacts

  • T – Selectable Time Delay: 0.1, 0.25, 0.5, 0.75, or 1 second

  • 0 – Sensor: no sensor included

  • 0 – Power: 120 V AC

📊 Technical Specifications

Feature Specification
Trip Current Range 10–100 mA, selectable in 10 mA steps (K)
Output Relay 1 Form A, 1 Form B (N)
Time Delay Selectable: 0.1 / 0.25 / 0.5 / 0.75 / 1.0 sec (T)
Sensor Input For 1000:1 ZCT (Type 0)
Supply Voltage 120 V AC (Type 0)
Mounting Style DIN rail
Enclosure Standard track-mount DIN housing, CSA approved
Dimensions 2.75" x 4.4" x 3.0"
Weight 220 g
Operating Temperature –10°C to +60°C
Certifications CSA-certified, Made in Canada

Looking for Matching Current Transformers?
GFR2 ground fault relays require properly sized CTs—solid-core or split-core.
We stock a full range of Current Transformers for control panels, switchgear, and protection systems.

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