121-470

This high-performance Auxiliary Switch is an essential component for contactors used in air compressor and HVAC systems. Functioning as a reliable air-proving and status-signaling device, this switch allows for the integration of secondary control circuits, such as indicator lights, safety interlocks, or auxiliary fans. Designed to mount directly to a primary contactor, it ensures that your system operates with precision by verifying electrical engagement. Whether you are troubleshooting a commercial cooling unit or maintaining industrial pneumatic equipment, this auxiliary contact block provides the durability and electrical integrity required for demanding applications. It is a critical replacement part for ensuring efficient system sequencing and motor control protection in air-handling and compression environments.
Type: Auxiliary Switch / Contactor Accessory
Size: Small
Application: Commonly used in HVAC systems, industrial air compressors, commercial condensers, and heat pump units to provide auxiliary signaling and control circuit interlocking.
Specifications: Snap-on mounting for contactor integration; designed for pilot duty applications; provides additional normally open or normally closed contacts for system monitoring.