Optional accessories for the circuit-breaker series NZM offers a comprehensive portfolio of application options for use world wide. The mounting is always flexible and easy thanks to the modular function groups. Notes: not UL/CSA approved. Not dependent on mains and control voltages. 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. Only suitable for use in conjunction with circuit-breakers having electronic releases. Not in combination with motor-protective circuit-breakers NZM..-ME.. Display of the earth-fault in optional DMI communication module. Can be used for NZM4-4, N4-4