18 Way Consumer Unit Main Switch 100A, Fixed Configuration, with SPD 18W Main switch plus SPD consumer unit Includes a 100A main switch with twin line and neutral supply terminals and a 100A fixed busbar assembly Fitted with the Wylex miniature type 2 SPD, NMT2SPD3W/1 Accepts all Wylex miniature final circuit protection devices; MCBs, RCBOs and AFDDs Constructed from a full metal enclosure with curved visor and temporary locking facility