1. Screw open-close type.
2. Beautiful appearance, excellent processing and stability should be guaranteed by material such as hight intensity ABS, PC, AC polyester assured flammibility material and glass 30% annexing material.
3. The product was recognized by the Public Trust Internation Mark Germany VDE, TUV, European community CE and U.S.A underwriters laboratories.
The use is convenient for the installation of terminal box, the supply switchboard, apparatus box, electrical power supply and control box ect.