Description
3 Amp 12V DC Access control power supply with battery backup
The 3 Amp 12v Access Control Power Supply Box ensures continuous and stable operation of your security systems. It reliably powers essential components like magnetic locks, electric strikes, biometric readers, and access controllers without voltage drops.
Key Features
- Stable 12V DC Output: Delivers clean, regulated power with low output ripple, protecting sensitive card readers and control panels.
- Battery Backup Support: Features built-in charging circuitry for a 12V lead-acid battery, ensuring doors remain secured during mains power outages.
- Adjustable Lock Delay Timer: Built-in timer allows customization of lock-release duration (0-15 seconds) to suit varying traffic and security needs.
- Fail-Safe / Fail-Secure Compatibility: Supports both Normally Open (NO) and Normally Closed (NC) wiring configurations.
- Robust Metal Enclosure: Housed in a durable, lockable steel box that prevents tampering and helps with heat dissipation.
Technical Specifications
- Input Voltage: 100V – 240V AC, 50/60Hz
- Output Voltage: 12V DC
- Output Current: 3A (Suitable for up to two magnetic locks, e.g., 280KG/600lbs)
- Operating Temperature: -20°C to 60°C
- Protection: Overload, over-voltage, and short circuit protection
- Backup Battery: 12V 7Ah / 12V 8Ah lead-acid battery for uninterrupted operation.
- Secondary Lock Types: Electric Strikes or Electromagnetic Locks.
Common Applications
- Electronic Strikes/Maglocks: Powers the fail-safe or fail-secure locks on single or multiple doors.
- Controllers & Readers: Supplies continuous power to RFID card readers, biometric scanners, and access panels.
- Intercoms & Alarms: Used in integrated corporate and residential security networks.







