Westinghouse 458D493G01 Vari-Depth Mechanism

The Westinghouse 458D493G01 Vari-Depth Mechanism is an external circuit breaker operating mechanism designed for industrial circuit breaker operating and enclosure mounting systems. It is commonly installed in molded case circuit breaker assemblies, switchgear equipment, and industrial power distribution enclosures that require adjustable operating depth configurations, enabling external breaker handle operation. Key specifications include Manufacturer Part Number 458D493G01, Secondary Part Number 458D493G09, Product Type Vari-Depth Mechanism, Brand Westinghouse, and mounting configuration for adjustable enclosure depth installation; it is intended for use with molded case breakers and industrial electrical systems such as switchgear and MCCs. Common replacements include Westinghouse 458D493G03 Vari-Depth Mechanism and Eaton 5092A62G01 Vari-Depth Handle Mechanism.