The RPM22B7 is a plug-in power relay from the Harmony Electromechanical Relays series designed for switching applications. It operates on a 24V AC control circuit and features two changeover (2 C/O) contacts with a conventional enclosed thermal current rating of 15A. This model includes a status LED and a lockable test button for simplified diagnostics and testing. The relay has a maximum switching capacity of 3750 VA or 420 W and is built for high endurance with a mechanical durability of 10,000,000 cycles. Suitable for a wide range of industrial control systems, the RPM22B7 operates reliably in ambient temperatures from -40°C to 55°C.