Features 1、Convenient Operation: This power transfer switch can be operated automatically or manually, milliseconds switching without power supply, compact structure, reliable transmission, easy installation and maintenance, long life. 2、Safe And Reliable: This dual automatic transfer switch will switch the backup power supply to work immediately when the normal power supply is abnormal, which ensures the continuity, reliability and safety of power supply. 3、35mm DIN Rail Mounting: This DIN rail mounted power transfer switch adopts 35mm DIN rail mounting, which is very simple and convenient to install. 4、Excellent PC Material: This dual power automatic transfer switch is made of excellent PC material, which is sturdy, wear resistant, not easy to be damaged, and flame retardant. 5、Wide Application: This dual power transfer switch has a wide range of applications and can be used for photovoltaic systems in homes, shopping malls, factories, laboratories, farms and other situations. Specification Item Type: Dual Power Automatic Transfer Switch Product Model: NLQ3-125, 3P Material: PC Flame Retardant, Silver Alloy Switch Type: Secondary Power Distribution Rated Current: 63A Insulation Voltage: AC690V AC Rated Voltage: AC400V AC Rated Frequency: 50Hz, 60Hz Electrical Level: PC Grade Isolated Rated Shock Withstand Voltage: 8KV Control Circuit: Rated Control Voltage Us: AC110V 85% Us-110% Us Auxiliary Circuit: 2 Relays, Each relay has two sets of contacts. Capacity: AC110V50HZ le=5y Touch Time: <50ms Operation Transition Time: <50ms Return Time: <50ms Closing Time: <50ms Package List 1 x Dual Power Automatic Transfer Switch 1 x Manual