Комментарий:ЗАЩИТНЫЙ СОЕДИНИТЕЛЬ ДЛЯ A 4-CORE FLOATING SIGNAL CIRCUIT, 24V DC, FOR BASE ELEMENTS 5SD7540-0 AND 5SD7540-1
Описание на английском:Overvoltage protective device for 2 ground-potential-free signal insulated conductors and ground, UC=14V DC/9.8V AC Test class C1, C2, C3, D1, jumper between the connections 3-4 (GND) and 9-10