1、OE Number: The referencing OE number of this air conditioner soft starter compressor unit is ASY 364 X20 IP 364, molded and designed depend on the original data. 2、Application: The air conditioner soft starter compressor unit is applicable for 115V‑135V 50‑60Hz Motors and Up To 3‑Ton Compressors, please check before ordering. 3、Soft Start Function: Smoothly start the air conditioning system, reduce energy consumption and noise generation, and extend the life of the air conditioning system. 4、Reduce Impact: Reduce the instantaneous current and power when the compressor starts, prolong the working life, and reduce the impact on the power grid of high power air conditioning. 5、Energy Saving: Reduce energy consumption, reduces startup amps By 65%‑70%, reduce noise generation during operation, energy saving and environmental protection.