Features 1、It is used to sub-connect or connect 380/220V and below electrical circuits, and also applicable to connect supply wire of self- control engineering or communicaton’s signals. 2、The shell is made of high rigid, flame-proof engineering plastic with beautiful appearance, functions of electrostatic-resistant, impulsion-withstanding, thermal stability and corrosion-proofing.etc. 3、Between cover and shell body is arranged seal washer fastened by stainless screw. 4、Terminal can be selected for line pressed type of pheonix’s special terminal of safety-increased type. 5、Terminal number, direction, nominal diameter may be changable. 6、Suitable for GB3836-2000, IEC60079 standard request.