Taiwan Provincial Standard of the People's Republic of China
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CNS 9808-1983
Scope
This standard is applicable to the insulation distance, insulation resistance and withstand voltage test methods of control equipment used in circuits with frequencies below 50 Hz or 60 Hz, AC 600 V or DC 750 V. 1.1 The manufacturing machines referred to in this standard include contactors, resistors, control switches, relays, limit switches, terminal blocks, etc. and their combination devices, as well as semiconductor devices.
CNS 9808-1983 history
1983CNS 9808-1983 Method of Test for Control Gear Insulation