Westinghouse 205548 Electrical Interlock Assembly

Westinghouse L-53 Universal Electrical Interlock 205548 provides mechanical and electrical interlocking between contactors to ensure safe sequential operation of machinery and power circuits in industrial motor control and electrical switching systems. Designed for reversing starters and interlocked control circuits, it mounts on Size 0 contactors and is commonly used in motor control centers, transfer systems, conveyors, pumps, compressors, HVAC equipment, and manufacturing automation panels. Key specifications include Brand: Westinghouse; Part Number: L-53; Alternate Part Number: 205548; Interlock Type: Universal; Installation: Contactor mounted; Application: industrial motor control systems; Function: mechanical and electrical interlocking; Common replacements include Eaton Size 0 Interlock, Cutler-Hammer L53 Interlock, and Allen-Bradley 1494V-IC.