Westinghouse Electric 606B029A30 Auxiliary Relay

The Westinghouse 606B029A30 Auxiliary Relay is a 125-volt auxiliary switching relay designed for industrial electrical control systems, delivering reliable auxiliary circuit control and signaling within demanding automation networks. It is commonly installed in control panels, switchgear assemblies, automation cabinets, and other industrial equipment used in manufacturing and utility facilities, where dependable auxiliary switching supports motor control, process sequencing, and interlock functions. As a replacement or retrofit component, it enables control-system upgrades and expansion of automation capabilities in automation cabinets and electrical equipment that rely on 125 V control circuits. The unit is intended for industrial automation environments and motor-control equipment, offering construction as an industrial relay assembly suitable for integration into standard industrial control circuits. Key identifiers include Manufacturer Westinghouse and Manufacturer Part Number 606B029A30. Common replacements in the field include Eaton D26 Auxiliary Relay, Siemens 3TH Auxiliary Relay, and ABB CR Series Control Relay.