3RF2120-1BA04 SIEMENS

The 3RF2120-1BA04 is a compact and efficient 1-phase solid-state relay (SSR) from Siemens, designed for switching AC loads with high reliability and minimal wear. This SSR features a narrow width of 22.5 mm, making it ideal for space-saving installations in control cabinets and machinery. It is rated for a continuous current of 20 A and can handle voltages ranging from 48 to 460 V AC. The control input requires a 24 V DC signal, allowing for easy integration with PLC and other control systems. The relay utilizes screw terminals for secure and straightforward wiring. Its instantaneous switching characteristic ensures rapid response times, suitable for applications demanding precise control. Semiconductor relays offer advantages over electromechanical relays, including silent operation, extended lifespan, and resistance to vibration and shock. The 3RF2120-1BA04 is suitable for various applications, such as controlling heating elements, lighting systems, and motor starters. This solid-state relay provides a reliable and long-lasting solution for switching AC loads in industrial environments.