Bus system AS-Interface, passive compact module, AS-i flat cable can be contacted directly, 4-way distributor, operating voltage: 26.5...31.6 V DC Plug sockets M12x1, housing material: PA 6.6 Socket: nickel-plated brass Threaded sockets in the lower part: nickel-plated brass O-ring (socket): Viton Piercing contacts CuSn6 Surface nickel-plated and tin-plated