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: Not UL/CSA approved. Independent of mains and auxiliary voltage. Ig = 0.35-0.4-0.5-0.6-0.7-0.8-0.9-1.0xIn, tg = 0-20-60-100-200-300-500-750-1000ms. Can only be used in combination with circuit breakers with electronic release. Not in combination with motor protection circuit breakers NZM..-ME.. Display of the earth fault in the optional DMI communication module. Can be used for: NZM4, N4, NS4, NZM4-NA