Hartland Controls CON-AUX300-1 AUX Switch R-410A this non-positional potential relay utilizes

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

and refrigerant charging without compromising system integrity

Installation Versatility: Pigtail terminations and a compact galvanized housing allow for fast mounting on metal or fiberglass ductwork

Hartland Controls CON-AUX300-1 AUX Switch R-410A this non-positional potential relay utilizesThe 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