This Pratika industrial socket with completely loosened captive screws connection is straight panel mounted. It has 3P poles, rated current is 16A and the operating voltage is 20VAC to 25VAC or 40VAC to 50VAC. The dimensions of the base plate are (W) 65mm x (H) 65mm. The degree of protection is IP44 and IK08. The fire resistance is 850°C. The cable entries are for flexible or rigid cables. The cross section of the cables in 16A is 1mm² to 2.5mm². The color of the socket is light grey (RAL 7035) with green easy identification of the operating voltage. The frequency is 401Hz to 500Hz. The clock position of secondary keyway is 11h.