1、Millisecond Switching: Dual power automatic transfer switch can be operated automatically or manually, millisecond switching without power, compact structure. 2、Excellent Insulation: The double power automatic transfer switch has reliable transmission, great insulation, easy installation and maintenance, and longer service life. 3、Working Process: When the normal power supply is abnormal, the backup power supply works immediately to ensure the continuity, reliability and safety of power supply and to achieve the effect of non stop power supply. 4、PC and Silver Contact: Excellent flame retardant PC material, high temperature resistance, anti aging, safe and reliable, using silver contact, nice conductivity. 5、Use Scenario: The automatic transfer switch is widely used in various situations where continuous power failure is not allowed, such as homes, shopping malls, factories, laboratories, farms, etc.