Phoenix Contact 1308639 The connector in question is a 4-position device with a black color and has a cross-sectional area of conductors ranging from 0.5 mm² to 2.5 mm². It operates within an AC environment and is rated for voltages up to 400 V and currents up to 20 A. The connection method involves screwing the pins into place, with the option to release the device using either a tool or by hand, depending on the desired setting.