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. Increased contact protection to IP2X. Protection when reaching around the connection area when connecting cables in box terminals. Cannot be combined with control line connection NZM-XSTK. Can be used for: NZM1(-4), PN1(-4), N1(-4)