High QualityThe disconnect switch has a compact internal structure with protection functions, an excellent selection of high quality silver contacts, good electrical conductivity and antioxidation. Case materialhigh-quality flame retardant PC material, high insulation performance, flame retardant and high temperature resistance. Flexible ConversionEach joint layer has lubricating oil, two-stage conversion, high quality buttons, flexible rotation, high hardness and long service life. Convenient InstallationThe overall structure of the product consists of handle knobs, protective covers, mounting plates, screw holes and wiring holes. Fine workmanship, convenient and quick installation and stable operation. ApplicationApplicable to machine tools, machinery, chemicals, textiles and other areas with a wide range of applications. If you have any questions, please contact our professional after-sales customer service team Rated current: 4OA Number of poles: 3 (3 poles,3 phases, 3NO)Rated voltage:440V lnsulation voltage (Ui): 660V Housing material: Flame retardant plasticContact material: silver Dimensions: 65*65*105 mm/2.56*2.56*4.13 in Packing list:1 x switch disconnector4 screws + nuts.Items from Sheng Xinshun's shop