Parameter Specification Manufacturer / Series Eaton, Cutler-Hammer HMC Series Model Number HMCP150U4C Pole Configuration 3-Pole Amperage Rating 150 A (100% Rated) Frame Size HMC Frame Rated Current 150 Amps Voltage Rating 600V AC (Typically) Interrupting Capacity 35 kA or 65 kA at 480V AC - This is a critical specification that must be verified on the breaker's label, as it varies by specific model and production date. Trip Unit Type Solid-State / Electronic (MicroLogic U4) Trip Unit Features Adjustable Long-Time, Short-Time, Instantaneous, and Ground Fault protection settings. Mounting / Connection Bolt-On (Lug Connection) Standards Compliance UL 489 (Standard for Molded-Case Circuit Breakers) Common Applications Used as a main circuit breaker or a large branch feeder in industrial facilities, manufacturing plants, and large commercial buildings for protecting machinery, motor control centers, and power distribution circuits.
