Hartland Controls CON-AUX300-1 AUX Switch R-410A This is a multi-trial model

This is a multi-trial model

The 1/2-inch diameter shaft and 2-speed capability provide precise airflow control for systems requiring variable load management

field-proven accessory designed for the physical operation of 4-inch butterfly valves and dampers

Delivering 18 lb-in torque

this non-positional potential relay utilizes back-EMF (electromotive force) to precision-disengage the start capacitor once the motor reaches approximately 75% to 80% of its synchronous speed

Hartland Controls CON-AUX300-1 AUX Switch R-410A This is a multi-trial modelThe Hartland Controls CON AUX300 1 is a high performance SPDT auxiliary switch engineered specifically for seamless integration with three phase contactors. Designed for heavy duty HVAC R applications, this contactor auxiliary contact provides critical status feedback and control interlocking for industrial and commercial systems. It features a single pole double throw (SPDT) configuration, allowing for flexible wiring of both normally open (NO) and