Optional accessories for the NZM circuit breaker series offer an extensive portfolio of application options for worldwide use. Installation is flexible and simple thanks to modular function groups. Notes: Type contains parts for two terminal points at the top or bottom for 3- or 4-pole switches. Standard equipment for tunnel terminal. Protection class IP1X. NZM-XSTK cannot be combined with IP2X finger protection and NZM1 (-4) -XIPK. Height or thickness of the control connections NZM-XSTK = 2mm, NZM-XSTS = 2mm. Can be used for: NZM1 (-4), PN1 (-4), N (S) 1 (-4)