The MIL-C-5015 round socket, 4-pin, 7/8 inch, D: 20 mm, can be used for the construction of a power cord for the intelligent power switch IPS-STE. The power supply cable leads to the input of the IPS-STE from the supply source, e.g. 12VDC onboard battery . The MIL-C-5015 round socket is a power connector.