Core Balance CT (TDF) & Earth Leakage Relay (RFA)
Reliable earth leakage protection systems designed for precise current monitoring and fault detection in electrical networks.
Please review the following options and select the models that best suit your installation requirements:
Core balance current transformer – TDF
- Compact and flexible design for easy panel mounting
- Reliable and accurate detection of earth leakage current
- High precision for fault protection applications
Earth leakage relay – RFA
- Monitors True RMS Earth Leakage Current (up to 30A) in 1-phase 2-wire, 3-phase 3-wire, and 3-phase 4-wire systems
- Adjustable leakage current and time delay thresholds
- LED indication for measured leakage current and user settings
- Test and reset functions available via front panel or remote
- TDF open or short circuit detection
- One SPDT relay output
We hope our products meet your needs and expectations. Thank you for your trust and support!






