the products conform to the standards of IEC 439-2 and GB7251.2-1997.

the bus duct can normally work for a long time under the rated current and 110% of rated woltage.

under the naomal conditions:ambient:20°C±5°C

,relative humidity:50~70%,the insulating resistance of each section ±≥20MΩ

bear 2500V industrial frequency voltage

IP30