HR744 – Toroidal Transformer 140mm
The Hager HR744 is a ring type toroidal current transformer with a 140mm aperture, designed for use with Hager HR5 series earth leakage relays. It fits around larger cable bundles or busbar runs, sensing residual current for earth fault detection and relay tripping. Ideal for high current circuits and main distribution boards, offering accurate, reliable protection as part of a matched Hager system.
Applications
- Residual current sensing for earth leakage relay systems
- Earth fault protection in main distribution boards and large panels
- High current circuits and cable bundles
- Commercial and industrial installations
| Key Specifications | Details |
|---|---|
| Core Diameter | 140mm |
| Type | Toroidal Transformer |
| Compatible | HR500 Series Earth Leakage Relays |
