产品特点 Features of Products
● 门板与箱体采用专用螺钉和护圈按通用标准安装，不但确保防护等级而且确保箱体在极狭小空间使用及维护
● 箱口多层保护槽不但能起加固作用而且能防止门板打开时脏物和水进入箱内
● PU发泡密封条确保箱体防护等级达到IP56
● 接地线可连接箱体和门板
● 箱体两侧配有开有螺丝孔的支架条，确保最大的安装高度，并可以安装支撑轨或安装板
● 特制的塑料绝缘套管不但能够密封而且能使门板螺丝不致脱落，并在螺丝拧紧时起导向的作用
● 表面拉丝处理(高档箱体内部可做喷砂处理)
● The door plate and box body are installed with special screws and retainers  in accordance with common standards, which can ensure  the Protection grade and  the operation and maintenance in the narrow space in the box
● Multiple protection grooves are designed at  the box opening can not only reinforce the structure but also prevent the entry of dirt or water when the door is opened
● PU foaming sealing strip ensures a protection grade of IP56 to box body
● The ground can be connected to box body and door plate
● Racks with screw holes are provided on both sides of the box to ensure  the max. mounting height and allow  the  installation of supporting rail or mounting plate
● The special plastic  insulating sleeve can provide sealing and prevent door plate screw  loosening, and guide screws when they are tightened
● Surface wire drawing  treatment  (sand blasting  is available  in high-class box)