Specification: Item Type: Dual Power Automatic Transfer Switch Material: PC, silver Switch Type: Secondary power distribution Rated Current: 100A Rated Voltage: 110VAC Insulation Voltage: 690VAC Rated Frequency: 50Hz 60Hz Electrical Grade: PC grade isolation type Rated Impact Withstand Voltage: 8KV Touch Time: <50ms Operation Conversion Time: <50ms Return Time: <50ms Closing Time: <50ms Package List: 1 x Dual Power Automatic Transfer Switch Note: 1. The maximum surrounding temperature shall not exceed 40, the minimum shall not be lower than 5, and the average temperature within 24 hours shall not be higher than 352. The altitude of the installation site should not be higher than 2000m3. When the maximum temperature reaches 40, the relative humidity of the installation site should not exceed 50%; when the temperature is the lowest temperature 5, the relative humidity is higher, for example, the temperature is 25, and the relative humidity is 90%. Due to temperature changes, special measures should be taken to deal with the occasional condensation on the sur-face of the product