Optional accessories for the NZM circuit breaker series offer an extensive portfolio of application options for worldwide use. Installation is flexible and easy thanks to modular function groups. Notes: Type contains parts for one switch side at the top or bottom for 3- or 4-pole switches. Insulation protection for the mounting plate if the minimum distance to the mounting plate is not met. Included in the scope of delivery of the connection extension. Can be used for: NZM4(-4), N(S)4(-4),NZM4-4-XKV..