The circuit breakers of the NZM..-ME..NA series cover all applications with just four compact sizes and are suitable for worldwide use. Installation is always flexible thanks to modular function groups. With electronic release for motor protection with phase failure sensitivity. Notes: Switches comply with both UL/CSA and IEC regulations. IEC switching capacity values included on the rating plate. 100% rated. Use in motor circuits with contactor. Additional motor protection characteristics (calibration) according to UL508, CSA-C22.2 No. 14-05. Adjustable overload release Ir, adjustable inertia setting tr: 2-20s at 6xIr