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: Door coupling rotary handle with rotary drive. Extension shaft NZM..-XV4. External warning sign/designation plate in German/English, black and yellow lightning bolt. External warning sign/designation plate can be clipped in. For increased contact protection on the feed-in side, order IP2X finger protection. With black door coupling rotary handle. Can be locked in the 0 position on the handle with a maximum of 3 padlocks, can also be modified in the I position. With door lock. Can be used for: NZM1(-4), PN1(-4), N(S)1(-4)