Industrial EHD3015 6638C90G84 Circuit Breaker

The Westinghouse EHD3015 circuit breaker is a 15 A, 480 V AC three-pole Type EHD device built for dependable overload and short-circuit protection in industrial and commercial three‑phase electrical systems. Designed for branch circuit and equipment protection, it is commonly installed in motor control centers, industrial machinery, conveyor systems, HVAC equipment, and distribution panels that require high‑voltage protection with straightforward manual reset and switching. Featuring heavy‑duty industrial construction and compatibility with motor control centers and distribution panels, the EHD3015 operates across three phases to interrupt fault conditions quickly while accommodating routine maintenance and control workflows. The unit's alternate reference is 6638C90G84, and its part number is EHD3015. Common replacements include Eaton EHD3015, Siemens HED4B015, and Square D EDB34015.