This is a Murr Elektronik 4000-68000-0920000 signal (distribution) terminal, a part of Murr Elektronik signal transmission system. The terminal is designed to hold signal distribution modules that route signals to Murr Elektronik controllers and sensors. It features a power supply module, four connection boxes, and a 24V DC power terminal block for power supply connection. The terminal has two mounting holes for easy attachment to a DIN rail. Additionally, it is IP65 rated, providing protection from dust and water jets.