Extension Module Base element for Type 1 and Type 2 surge arresters of the VAL-MS series with separate field and house termination tool-free isolation disconnect test point and remote indication contacts. Design: 1-channel bridgeable.
Versions with and without floating remote indication contact
Separate field and house wire termination
Tool-free field wire disconnect and test point
IP20 touch safe when connected
Coding when protective plug is inserted for the first time