Always match the 120V 1Ph spec exactly

Each element is safeguarded by an automatic reset limit control and a supplemental thermal cutoff for positive over-temperature protection

you should see a predictable DC voltage that corresponds to your refrigerant discharge pressure according to the standard 0-650 range chart

Ease of Install: The included mounting plate permits full wiring and mounting without ever needing to remove the thermostat cover

MARS 12977 Run Capacitor 321702-401 Always match the 120V 1PhAs an experienced HVAC contractor, you know that a high quality dual run capacitor is the backbone of a reliable condenser unit. The MARS 12977 is a 35 3 MFD 440V round dual run capacitor engineered to meet the rigors of heavy duty cooling applications. Unlike standard budget components, this 440Vac capacitor is designed for high stress environments, providing the precise phase shift required to optimize compressor start up torque and fan motor