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: Double hole for M10 screws at a distance of 25mm. Use special cable lugs in a narrow design. U e ¿ 525 V or connection cross-section > 185mm 2: Use of the NZM4(-4)-XKSA cover required. Can be used for: NZM4, N(S)4