Westinghouse 4060 S18X12 Silicon Controlled Rectifier

The Westinghouse 4060 S18X12 Silicon Controlled Rectifier (SCR) is a semiconductor power-switching device used to control and regulate electrical power in industrial drive and power control systems. Commonly installed in motor control assemblies, industrial power equipment, and SCR drive systems requiring reliable semiconductor switching for continuous operation. Key specifications include Manufacturer Part Number 4060 S18X12, Brand Westinghouse, Product Type SCR, System Name 8422, System Type Industrial Power Control System, Installation Type Power Module Mount, Compatible Equipment Industrial Drive and Power Systems, Application Semiconductor Switching and Controlled Rectification, Industrial Use Motor Control and Power Regulation, Function Silicon Controlled Rectifier Power Switching. Common replacements include Westinghouse 4060 S18X13 SCR, Siemens 5STP18H4200 SCR Module, and GE C781KD SCR Module.