Westinghouse Electric B100S1CA Manual Motor Starter

The Westinghouse B100S1CA Manual Motor Starter is a 3-phase, 3-pole control device built for manual motor starting and overload protection in industrial motor control systems. It supports 3, 7-1/2, and 10 HP motors at a 1–5 A current range and is designed for enclosed industrial equipment mounting in motor control centers and similar installations. Typical applications include conveyors, compressors, pumps, HVAC equipment, material handling systems, processing equipment, and factory automation machinery that require reliable manual motor control and overload protection, with use cases ranging from replacement and retrofit projects to control panel upgrades by maintenance teams, OEM technicians, and system integrators. Common replacements referenced for this starter include Eaton B100M1C, Allen-Bradley 609U, and Square D 2510 manual starters.