Optional accessories for the NZM circuit breaker series offer an extensive portfolio of application options for worldwide use. Installation is flexible and easy thanks to modular function groups. Notes: Allows switching when the control cabinet door is open. Is pushed onto the extension shaft. 100mm free extension required. Cannot be combined with door coupling rotary handles NZM..-XT..-60 and NZM..-XT..-0. Can be used for: NZM1(-4), PN1(-4), N(S)1(-4), NZM2(-4), PN2(-4), N(S)2(-4)