The IDEC RH2B-UAC220-240V DPDT Blade Relay is an electromechanical control relay designed for reliable switching of electrical circuits in HVAC systems. Rated for 10A at 220–240V AC, it uses an energized coil to move internal contacts, allowing one circuit to control another safely and efficiently. This relay is commonly used in air conditioners, furnaces, boilers, heat pumps, and com... https://www.partshnc.com/rh2b-uac220-240v-idec-relays-dpdt-220-240v-10a-blade-relay