18A Current Rating, NEMA Size 0 Framework, 3 Pole Multiphase Control, Non-Combination Open-Chassis Line Motor Starter Assembly, Reduced-Weight (RW) Space-Optimized Block, 120VAC 50/60Hz Actuator Control Coil, -20°C to +65°C Industrial Operational Window | Compact multi-phase electric machinery controller manufactured by Westinghouse (Eaton) featuring an anti-burnout insulated coil enclosure and factory-stamped phase separators, engineered to lock incoming power tracks securely against intense structural machine-vibration and completely isolate logical automation command circuits from line spikes | Industry Exact Equivalents: Westinghouse A200ROCBM-RW, Cutler-Hammer A200ROCBM-RW, Eaton A200ROCBM-RW | Industry Functional Cross-References: Square D 8536SBO2V02S, General Electric CR306B002X, Siemens 14CU32BA