12V 7Ah battery support
Auto-cut charging circuit.
12V (3A / 5A) Metal Access Control Power Supply Box with Uninterruptible Battery Backup Charger
Power the biometric terminal, EM lock and exit reader from one lockable steel enclosure with battery charging, an adjustable unlock timer and short-circuit protection.
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- 12V 7Ah battery support
- 0-15 s unlock timer
- Overload protection
- 3A and 5A models
Built for the job
Key features
0-15 s unlock timer
Adjustable delay potentiometer.
Overload protection
Short-circuit and overload safeguards.
3A and 5A models
Regulated DC 12V output.
Technical data
Specifications
Exact parameters for tenders, procurement comparisons and IT sign-off.
Input voltageAC 110V-240V (50-60Hz)
Output voltage & currentRegulated DC 12V (3A and 5A heavy…
Battery backup supportHouses 1 x 12V 7Ah lead-acid / li…
Built-in unlock timerAdjustable 0 to 15 seconds delay…
Input voltage
AC 110V-240V (50-60Hz)
Output voltage & current
Regulated DC 12V (3A and 5A heavy-duty models)
Battery backup support
Houses 1 x 12V 7Ah lead-acid / lithium battery with auto-cut charging circuit
Built-in unlock timer
Adjustable 0 to 15 seconds delay potentiometer
Enclosure
Lockable powder-coated metal box with heat dissipation vents
Terminals
No / NC / COM, PUSH, 12V / GND
Highlights
Why a power supply box
One enclosure, tidy wiring
Powering a terminal, an EM lock and a slave reader from separate plug adapters makes messy wiring and lets doors unlock as soon as power fails. The metal box centralises the door wiring with NO/NC/COM, PUSH and 12V/GND terminal blocks and an adjustable 0-15 second unlock timer.
- 12V 5A access control power supply box
- biometric door lock power controller
Battery backup for power cuts
It charges and holds a 12V 7Ah rechargeable battery, so the terminal and lock keep running when mains power fails. Backup time depends on the load and the battery. Plain DC 5V/1A, 5V/2A and 12V/2A wall adapters are also available.
- EM lock power supply with battery backup
- DC 5V 12V biometric power adapter
Where it fits
Ideal applications
Server rooms
Doors stay controlled during mains failure.
Offices
One neat box per access door.
Schools & hostels
Powers terminal, lock and reader together.
Plants
Lockable metal enclosure.
FAQ
About the 12V Access Control Power Supply Box
Does the power supply box automatically charge the backup battery?
Yes. It trickle-charges the 12V 7Ah battery while AC mains is present and switches to the battery without a break during a power cut.
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