12V/5A Home Alarm Power Supply board
Uninterruptible Power Supply Instructions
1,UPS Introduction
UPS uninterruptible power supply, when the AC is to supply the power, then the load provided by the AC voltage,when power off it’s supplied by the battery voltage, when the battery voltage dropped to 10.5V , it will disconnect the load on their own, It will not supply the power for load to protect the battery life, when the AC back to normal when the system will automatically reset to prepare for the next blackout, this power supply has over-current, over voltage and short circuit protection, wide input voltage, output voltage is constant and so on
2,Technical parameters
Charging voltage:13.6-13.8V
Uninterruptible Power range:40nS
Input voltage:100-246VAC
Output voltage:13.6-13.8V
Adjustable time:0-60s
3,Instructions for use
1.Please note that when using the battery positive line must be added the insurance tube, when the output short-circuit will burn out fuse to protect the battery
2.Connection Diagram
3.+12V&GND: Main output port. Output: 12V3A or 5A
4.PUSH : K2 relay line control port, when it connects to ground, relay will pull-in
5.NO: K2 relay normally open point
6.NC: K2 relay normally close point
7.CON&TROL: building intercom system
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