Optional accessories for the NZM circuit breaker series offer an extensive portfolio of application options for worldwide use. Assembly is flexible and easy thanks to modular function groups. Notes: Type contains parts for a switch side at the top or bottom for 3- or 4-pole switches. Included in the scope of delivery for the connection extension. Cannot be combined with tunnel terminal NZM4(-4)-XKA, rear connection NZM4-XKR. Insulation protection when connecting cable lugs, rails, module plates or using ribbon terminals. Can be used for: NZM4, N(S)4