The product is applicable to circuits of AC frequency of 50HZ,rated working voltage of 500V and below.In special requirments,the protection level can reach IP45.All of it has knock-off hole.Multi-tube inlet can reserve flexible perforated panel.Maximum rated current can reach 400A.It is especially suitable for metering box of industrical ,mining enterprises and hotels.Protection lever of the product is IP45.

The product meets IEC60439.1-1993 low voltage completed switchgear and control device and GB7251.1-2005 low voltage completed switchgear and device box.

The structuer is welded by thin steel plate.Measurement instrument,button indication light and control switch can be installed on the door.Other devices such as contactor,relay,wiring terminal board,etc shall be installed on the

frame in the box.Knock-off holes are punched on upper and lower wall of box shell,which are convenient to install different specifications of cable pipeline.