The Jackson 5945-004-43-74 4 Pole Contactor is designed to provide effective power switching for cooling systems and other electrical equipment requiring multi-line control. Rated for 208/240V and 30 amps, it operates by energizing an internal coil that opens or closes four electrical contacts simultaneously, allowing power to be directed to connected loads such as motors, compressors... https://partsfe.com/contactor4p-3040a-208240v-for-jackson-part-5945-004-43-74