The Westinghouse 766A406G01 Relay is a panel-mounted AR4A 4-pole control relay with auxiliary contact expansion. It is rated for 10 A at up to 600 V, with a coil voltage of 120 V 60 Hz or 110 V 50 Hz. The 4-pole adder configuration enables expanded multi-contact control in automation panels, motor control centers, switchgear assemblies, and industrial process equipment. Typical installations include MCC panels and automation cabinets in industrial automation systems. Common replacements include Eaton AR4A, Allen-Bradley 700-P400A1, and Omron MY4N-GS.
