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: Enables quick and inexpensive advancement of different sizes with/without rotary handle or remote operator to the same front depth. Can be used for: NZM3(-4), PN3(-4), N(S)3(-4), NZM4(-4), N(S)4(-4)