Our Sealed Relays help prevent corrosion caused by moisture and other contaminants. They are electrically operated switches that open and close circuits by receiving electrical signals from outside sources. They receive an electrical signal and complete the circuit to other equipment by turning the switch on and off. Sealed Relays provide an extra layer of protection from moisture and dust particles (IP66), provide extended lifespan and improved liability. Sealed relays are ideal for automotive and industrial applications. 12V and 24V applications available.