Westinghouse EB3070 Three Phase Circuit Breaker

The Westinghouse EB3070 is a 70A, 240V AC, three-pole circuit breaker designed for industrial and commercial electrical systems, delivering dependable overcurrent protection in demanding power distribution environments. As a Type EB device, it provides overload and short-circuit protection for three-phase equipment and is compatible with motor control and distribution panels, commonly applied in motor control panels, automation systems, HVAC installations, conveyors, pumps, and other branch circuits where uninterrupted power is essential. With a 10 kA interrupt rating at 240V and heavy-duty construction, it is designed to safely interrupt fault currents while continuing to protect equipment, and it includes manual reset and switching capability for controlled maintenance. Common replacements in the field include Eaton BAB3070, Siemens BQ3B070, and Square D QOB370.