Features 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. Specification Item Type: Dual Power Automatic Transfer Switch Material: PC Flame Retardant, Silver Product Code: N Rated Voltage: AC400V Rated Short Circuit Connection Capacity: 17KA Rated Short Circuit Current: 10kA Rated Impulse Withstand Voltage: 6kV Rated Frequency: 50HZ Class: PC Class Usage Category: AC-33B Installation Hole Size: Approx. 245x167mm/9.65x6.57in Package List 1 x Dual Power Automatic Transfer Switch 4 x Footpad 1 x Manual Handle