B 63-48 item number ÜSB63-48.G Overvoltage protection in two-wire technology for the measuring cable of 0/4 ... 20 mA circuits - also for intrinsically safe control circuits EEx ia IIC T6 - mounting directly in Ex area for protection of field devices - easy mounting in the free cable gland on the field device Characteristics values: max. 12 ... 48 V DC Ambient temperature: -40 ... 60 °C Thread: M20 Iso thread Operating instructions manual in: EN Number of Operating Instructions manuals: 1 Customs tariff number (HS code): 85354000