Features 1、AUTOMATIC AND MANUAL OPERATION: This dual power automatic transfer switch can be operated automatically or manually, providing flexibility and convenience. It allows for millisecond switching without power interruption, ensuring continuous and reliable operation. 2、COMPACT STRUCTURE AND RELIABLE TRANSMISSION: With a compact design and reliable transmission, this switch guarantees reliable power transfer and efficient performance. It also provides a long lifespan, making it a durable and dependable choice. 3、PC SILVER ALLOY MATERIAL: Made of premium PC flame retardant plastic material and featuring silver alloy contacts, this switch ensures excellent insulation, high temperature resistance, anti aging properties, and reliable safety. 4、WIDE APPLICATION: This transfer switch is widely used in homes, shopping malls, factories, laboratories, and farms for photovoltaic systems, providing continuous power supply in situations where uninterrupted power is necessary. 5、EASY INSTALLATION AND MAINTENANCE: The switch is designed with standard 35mm rail mount installation, allowing for easy and convenient installation. It also requires minimal maintenance, reducing downtime and additional efforts. Specification Item Type: Dual Power Automatic Transfer Switch Material: PC Flame Retardant, Silver Alloy Switch Type: Secondary Distribution Rated Current: 100A Insulation Voltage: AC690V AC Rated Voltage: AC400V AC Rated Frequency: 50Hz 60Hz Electrical Level: PC Class Isolation Type Rated Shock Withstand Voltage: 8KV Control Circuit: Rated Control Voltage Us: AC110V 85% Us to 110% Us Auxiliary Circuit: Two Relays, Each Relay has Two Sets of Contacts Capacity: AC110V50HZ le=5y Touch Time: <50ms Operating Transfer Time: <50ms Return Time: <50ms Closing Time: <50ms Package List 1 x Dual Power Automatic Transfer Switch 1 x User Manual