Function: 1 Buckle construction makes the guide rail installation and disassembly more convenient 2. Both the horn socket and the terminal have a pin label, making wiring difficult to be mapped 3. Screw down terminal block is easy to use and operate 4. Interface type contains IDC and terminals, 40 pins, very practical 5. DIN Rail Mount Adapter Connector has a 35mm mounting width, very convenient Specifications: Item Type: Terminal Block Interface Type: IDC, Number of Terminal Pins: 40 Cores: 40 Mounting Rail Width: Approx. 35mm / 1.4in Package List: 1 x Terminal Block