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 one switch side at the top or bottom for 3- or 4-pole switches. Increased contact protection to IP2X. When mounted on NZM2-..-(C)NA or NZM..-NA, the maximum cross-section for 2 conductors is 25mm 2 or AWG4. Can be used for: NZM2(-4), PN2(-4), N2(-4)