Features 1、[Uninterrupted Power Supply] This dual power transfer switch seamlessly switches between two power sources, ensuring a continuous supply of electricity. 2、[Fast Switching Speed] This automatic transfer switch supports both automatic and manual operation, with millisecond switching speed, ensuring a quick and smoothly power transfer. 3、[Premium Materials] Made from PC flame resistant material with silver alloy contacts, this power transfer switch has excellent insulation, high temperature resistance, and anti aging properties for enhanced durability. 4、[Stable Performance] This ATS features reliable self casting and self resetting capabilities, ensuring stable performance for a worry free user experience. 5、[Wide Application] This dual power transfer switch is suitable for emergency power supply systems with a rated AC voltage of 100A at 50 or 60Hz, versatile and practical. Specification Item Type: Dual Power Automatic Transfer Switch Material: PC Flame Retardant, Silver Alloy Model: NLQ3 125 4P Switch Type: Secondary Distribution Rated Current: 100A Rated Frequency: 50Hz 60Hz Electrical Level: PC Isolation Auxiliary Circuit: Two Relays, each with two groups of contacts capacity: AC110V 50HZ le=5y Touch Time: <50ms Operation Switching Time: <50ms Return Time: <50ms Shutdown Time: <50ms Package List 1 x Dual Power Automatic Transfer Switch 1 x Instruction Manual