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. When using insulated conductor material, protection class IP2X. Cannot be combined with connection extension NZM4-XKV110. Can be used for: NZM4, N(S)4, NZM4-XKV95(KB)