Siemens 3TX7004-1LB02 Output Coupler

The output coupler from Siemens with type number 3TX7004-1LB02 is a mechanical coupling element. It is also known as a coupling relay, interface relay, or auxiliary relay. It has the dimensions 10 x 10 x 5 cm and weighs 0.04 kg. Output couplers serve as an interface between control and actuator, enabling the galvanic isolation of control and load circuits. Typical applications can be found in automation technology for controlling actuators and in process control technology for signal processing and distribution.