Ground Fault Relays (GFR) – CSA Approved, Nuclear-Grade | Duncan Instruments – Duncan Instruments Canada Ltd

Ground Fault Relays (GFR)

Ground Fault Relays (GFR) – Industrial Protection You Can Trust

Our CSA-approved Ground Fault Relays are engineered for critical protection in industrial systems—originally developed for use in nuclear power applications and now trusted across Canada for safeguarding motors, transformers, and control panels.

Manufactured in the Greater Toronto Area, the Skymatic GFR-2 series delivers fast, accurate detection of low-level ground faults on both high- and low-resistance grounded systems. Select from multiple trip levels, time delays, and output options to match your application with precision.

✅ Made in Canada
✅ Nuclear-grade reliability
✅ DIN-rail mounted for easy integration

Need help choosing the right model or building a custom configuration?
📞 Call us at 416-742-4448
📧 sales@duncaninstr.com

📎 Download the GFR-2 Manual (PDF)

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