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Description
5 12 24 220V Automatic Transfer Relay UPS Automatic Transfer Switch Power Failure Dual Power Automatic Transfer Switch
Product Description
Note
1, This item have DC5V 12V 24V and 220V can be optional. Please leave us a note. Otherwise we will default sent at random.
2, For this price only include the relay board, do noy have the shell. If you need the shell, please contact us.
1
Input voltage: Main power supply: DC 5, 12, 24, 220V optional
2
Standby power supply: AC 110~220V or DC 30V battery or battery
3
Rated output current: 30A, one-to-one correspondence between input and output, the main power supply supplies power to the main equipment, and the backup power supply supplies power to the backup equipment
4
When the main and auxiliary power are switched, there is only an interval of ms level in the middle
Main power supply DC5V/12V/24V
Working principle: Two kinds of power supplies automatically switch to continuous power supply. When the main power supply is energized, the standby power supply is not connected, and the main power supply is output; When the main power supply is cut off, the standby power supply is automatically turned on and the standby power supply is output; When the main power supply supplies power again, the standby power supply is automatically cut off and the main power supply is output.
Main power supply AC220V
When the main power supply is energized, the standby power supply is not connected, and the main power supply is output; When the main power supply is cut off, the standby power supply is automatically turned on and the standby power supply is output.