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 NZM3(-4)-XKSA. Use wire end ferrules for fine-stranded and highly flexible conductors, note restrictions on the max. connection cross-section through the sleeve. Can be used for: NZM3(-4), PN3(-4), N(S)3(-4)