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: Type suffix and type contain parts for a switch side at the top or bottom for 3- or 4-pole switches. Conversion kit for switches with screw connection. Installation inside the switch housing. O = mounted at the top. U = mounted at the bottom. U e ? 525 VAC. Use cover NZM2(-4)-XSKA. Use wire end ferrules for fine-stranded and highly flexible conductors. The maximum specified cross-section can only be connected with multiple wires and without wire end ferrules. Can be used for: NZM2(-4), PN2(-4), N(S)2(-4)