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If overvoltage is detected (above 253V)
6A B Curve Type A RCBO – overload and residual current protection combined
the WRN range guarantees full disconnection during a fault
Installer Tip: Use B Curve devices for resistive loads such as lighting and socket circuits
Time Delayed RCD 125A Metal Fuse Switch with 3 × Fuses (WFMSRT00-3F) IP65 13A Socket & Spur Units If overvoltage is detected (aboveThe WFMSRT00 3F is a 125 A metal fuse switch assembly that integrates a 4 pole time delayed RCD and three 22 58 mm cartridge fuses, offering complete fused isolation, residual current protection, and discrimination for sub main circuits. Built for demanding environments, it ensures selective fault clearance and surge resilience in accordance with BS 7671 Regulation 536. 4. 1. 4. Installer Tip: Use the WFMSRT00 3F on sub mains feeding distribution
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