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 one switch side at the top or bottom for 3-pole switches. Insulation/touch protection when connecting cable lugs or rails to the connection extension. Can also be used for connection extension NZM3-XKV70(-2) with terminals NZM3-XK300 or NZM3-XK22x21 or NZM4-XKA. When using insulated conductor material, protection class IP2X. Cannot be combined with connection extension NZM3-XKV70KB. Can be used for: NZM3, PN3, N(S)3, NZM3-XKV70(-2)