Technical parameters:
Rated current: 315A-1250A
Main busbar or DNK1 in-line (higher rated current of the busbar and DNK1 in-line can be selected in accordance with the requirement)

DNK1 out-line: 15A-350A

Rated operation voltage: 440V 50/60Hz

Pole count: 1，2，3，4  pole（pole）
     Meet the ASTA test and short circuit standard in the written certificate

50kA rated fuse short-circuit current:50kA/second

Test voltage: 2500V/min

Prevention level: select （IP41, IP44 and IP54） in accordance with the IP30 requirement in the IEC144 of BS5420

Operation condition:
DNK1 box is applicable to the temperature from -50C to +450C and can operate under the environment below 95% relative humidity

Box body: made by the thick zinc-plating steel plate and painted by the lightly gray polyester and epoxy rosin power (or use the color required by the user)

Copper busbar: all busbars should meet the requirement for BS1432 cold pulling and high conductivity.
Busbar rack and installation plate: pressed by the strengthened polyester glass fiber with the mold