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 a switch side at the top or bottom as well as an insulation plate for the mounting plate for 3- or 4-pole switches. Included in the scope of delivery for the connection extension. Cannot be combined with tunnel terminal NZM3(-4)-XKA, rear connection NZM3(-4)-XKR. Insulation protection when connecting cable lugs, rails or strips. Can be used for: NZM3(-4), PN3(-4), N(S)3(-4)