
Insulation test for control gear
出版:Japanese Standards Association

专家解读视频
This Japanese Industrial Standard specifies insulation distances, insulation resistances and dielectric withstand voltages of control gears used in a circuit at a frequency of 50 Hz or 60 Hz, and an a.c. voltage not exceeding 1000 V or d.c. voltage not exceeding 1500 V.
IEC 60439-1 Ed. 4.1 - Identical
IEC 60664-1 Ed. 2.0 - Identical
IEC 60664-3 Ed. 2.0 - Identical
IEC 60947-4-1 Ed. 2.1 - Identical