Cudis MCU04/W/7 SPD Enclosed Retro unit for TNS Earthing Arrangement
Cudis CPN MCU04/W/7 4 Way Retro-Fit Surge Board Supplied with 1 x SPD-2PC2 & 1 x MD163B. Designed for TNS earthing. Multiple knockouts around each side of the unit. 18th Edition wiring regulation BS7671 compliant.