Explanation/Annotation:Telephone. For mounting of low-frequency exchange equipment in case of constant voltage to 120 in and operation at ambient temperature from - 10 C° to +50 Ѱ and relative humidity to 80%.
Detailed model description:Design vein. Soft copper wire insulation. PVC plasticate belt isolation. Polyethylene terephtalate belt of film screen. Aluminium foil envelope. PVC plasticate |