The Klockner Moeller ZM9-160-2000-OBI-CNA Trip Unit is a replacement protective trip module for Moeller ZM9-160 circuit breakers, identified by the model ZM9-160-2000-OBI-CNA. It functions as the sensing and actuation element that detects electrical faults and triggers disconnection to protect equipment. Designed specifically for the ZM9-160 frame, this trip unit is intended as a direct replacement part for matching Moeller devices used in industrial electrical distribution systems.
