Комментарий:PROTECTION CONNECTOR FOR TWO FLOATING SIGNAL WIRES AND GROUND IN IT,12V DC, FOR BASE ELEMENT 5SD7512-1
Описание на английском:Overvoltage protective device for 2 two-wire ground-potential-free signal circuits, UC=40V DC/28V AC Test class C1, C2, C3, D1, gas discharge tube between the connections 3-4 (GND) and 9-10