100A DP Supply Isolator
with Surge Protection Device
The one design of type 2 surge arrestor can be fitted onto any domestic supply including TT systems.
The plug-in arrestors are completely replaceable and supplied as spares unit when they have worn out.
The two type of Surge arrestor L-N & N-PE have a mechanical key interlock to stop them being put in
the wrong slot of the surge arrestor.