Feature:1. Millisecond switching, uninterruptible power supply. Adopt flameretardant housing with guide rail installation2. The backup power supply will work immediately when the normal power supply is abnormal, to ensure the continuity, reliability and safety of the power supply3. This switch possess compact structure, reliable transmission, convenient installation and maintenance, and long service life4. Made of excellent ABS material, possess impact resistance, scratch resistance, environmental protection5. Automatic transfer switch possess stable structure, excellent performance and long service lifeSpecification:Item Type: Automatic Transfer SwitchShell Material: ABSRated Working Voltage: 400V ACRated Frequency: 50Hz/60HzElectrical Level: PC levelInstallation Method: DIN rail.Package List:1 x Switch1 x User Manual