UL Approved Ground Fault Relays for Industrial Applications
Reliable ground fault protection for OEMs, panel builders and industrial systems.
The Broyce Control ELR Series provides dependable ground fault monitoring for industrial and commercial applications requiring UL approved protection solutions.
Designed and manufactured in the UK, our NFC-enabled relays combine flexible protection settings, intuitive configuration and compact DIN rail mounting for modern control panel design.
✅ UL Listed to UL 508
✅ NFC Configuration via Android App
✅ Adjustable Trip and Time Delay Settings
✅ True RMS Monitoring
✅ DIN Rail Mounting
Including a wide range of circular and rectangular core balance current transformers (CBCTs) for various industrial switchboard applications. Typical size options are shown further down.
*Also commonly referred to internationally as Earth Leakage Relays (ELRs)
ELR30PN
Ground Fault Monitoring Relay
- UL Listed to UL 508
- For personnel and equipment protection
- Adjustable trip level from 30mA to 30A
- Type A residual current detection
ELR01PN
Ground Fault Monitoring Relay
- Adjustable trip settings from 6 mA to 1A
- Ultra-sensitive detection for critical applications
- NFC configuration via Android app
- UL Listed to UL 508
BZCT035
Core Balance Current Transformer
- 35mm diameter aperture
- Rated up to 65A
- Surface mounting with 4 fixing slots
- DIN Rail Mounting Clip/Bracket accessory available
- Best Seller
BZCT120
Core Balance Current Transformer
- 120mm diameter aperture
- Rated up to 250A
- Surface mounting with 4 fixing slots
- For larger cable sizes
BZCTR350
Rectangular Core Balance Current Transformer
- 150 x 350mm aperture
- Rated up to 2000A
- Fixing slots provided in metal bracket
- Suitable for installations that use busbars
Ground Fault Protection for Modern Electrical Systems
Our Ground Fault Relay range is trusted across a wide variety of applications including:
- Industrial control panels
- HVAC systems
- Switchgear assemblies
- Pump control systems
- Water treatment
- Petrochemical installations
- Infrastructure projects
- EV charging systems
- Renewable energy applications
Why OEMs Choose Broyce Control
- UL approved product range
- Short and dependable lead times
- UK manufacturing and engineering support
- Responsive technical assistance
- Flexible OEM support
- Global supply capability
- Over 60 years of industrial protection experience
