The 3RF3412-1BB26 with Relay is a three-phase, solid state relay manufactured by Siemens. This device has a wide range of applications, such as motor control, lighting control, temperature control, transformer/generator protection, and providing intelligent actions such as interlocks, timing, and pulse applications. It features 24V DC supply voltage, 8A switching current, and a separate DC coil voltage. It is designed for switching resistive, inductive, and capacitive loads. The device data and parameters can be read out via an electronic programming interface.