1、[Automatic Transfer Switch] The dual power transfer switch ensures a smoothly and reliable power transition between two power sources. 2、[Millisecond Switching] Achieve uninterrupted power supply with millisecond switching speed, guaranteeing continuous power delivery. 3、[Dual Operating Modes] Can be operated both automatically and manually, providing flexibility and convenience in power management. 4、[Reliable Materials] Constructed with PC flame retardant material, this switch offers excellent insulation, high temperature resistance, aging resistance, and reliable safety. The silver contacts significantly improve conductivity and lifespan. 5、[Versatile Application] This power transfer switch is widely used in various settings where continuous power supply is needed, such as factories, shopping malls, and nurseries. 1 x Dual Power Automatic Transfer Switch4 x Footpad1 x Manual Handle Item Type: Dual Power Automatic Transfer SwitchMaterial: PC Flame Retardant, SilverProduct Code: NRated Short Circuit Connection Capacity: 17KARated Short Circuit Current: 10kARated Frequency: 50HZClass: PC ClassUsage Category: AC-33BInstallation Hole Size: Approx. 245x167mm/ 9.65x 6.57in