Hartland Controls CON-AUX300-1 AUX Switch R-410A The 1/2-inch diameter shaft and

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

and refrigerant charging without compromising system integrity

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

this regulator is tapped for NPT vent bosses and can be paired with an 12A06 vent limiting orifice or 12A04 device for upright installations

Designed specifically for the 3TX71 series plug-in relays

Hartland Controls CON-AUX300-1 AUX Switch R-410A The 1/2-inch diameter shaft andThe 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