The Westinghouse Electric Corporation E3020 Circuit Breaker is a 3-pole, 20A, 240VAC low-voltage device built for industrial and commercial three-phase power protection. Designed to interrupt overloads and short circuits, it serves motor branch circuits, industrial machinery, HVAC equipment, and other facility power distribution applications. This heavy-duty unit supports manual reset and switching and is compatible with control panels and distribution equipment. Common replacements include Eaton BAB3020, Siemens BQ3B020, and Square D QOB320.
