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. Touch protection when connecting cable lugs, rails or using tunnel terminals. Included in the set for tunnel terminals and screw connections. When using insulated conductor material, protection class IP1X. Can be used for: NZM1(-4), PN1(-4), N(S)1(-4)