BG CUSPDT21 SURGE PROTECTION DEVICE 18TH EDITION WIRING REGS TYPE 2 SPD 1 MODULE
18th Edition TYPE 2 SURGE PROTECTION DEVICE (SPD). Benefits of using a surge protection device (SPD). Type 2 Single Phase Surge Arrester. Type 2 SPD is characterised by an 8/20 µs current wave. Product Type - Surge Protection Device.