Phoenix Contact 1424655 This connector is a type of universal connector that features a four-position configuration, with an unshielded design and a socket straight M12 interface. It has a coding system marked as "A" and utilizes a push-lock spring connection mechanism for secure attachment. The exterior casing is made from zinc die-cast material with nickel plating, while the cable diameter ranges from 4 to 8 millimeters in size.