DC 12V 3.5A Access Control Power Supply for Magnetic & Electric Locks
DC 12V 3.5A Access Control Power Supply for Magnetic & Electric Locks
Asia-Teco DC 12V Access Control Power Supply Adapter — Model KDB05
Power your access control system with confidence using this Asia-Teco KDB05 AC-to-DC power supply. Built from high-quality electronic components and designed with advanced international technology, this unit delivers stable, reliable DC 12V / 3.5A output from any standard AC 100V–240V mains supply — making it universally compatible for homes, offices, and commercial installations worldwide. Made in Mainland China.
Why Choose This Access Control Power Supply?
- Universal AC Input: Accepts AC 100V–240V, 50/60 Hz — works with power grids across the globe, no voltage converter needed.
- Stable DC Output: Delivers a regulated DC 12V / 3.5A output (stabilivolt) to keep your lock and controller running smoothly.
- Direct Lock Control: Controls electromagnetic and electric locks directly, reducing wiring complexity and the load on your access controller.
- NC / NO Output Selection: Configurable Normally Closed or Normally Open output to suit virtually all electric lock types.
- Adjustable Time Delay: Built-in delay control circuit with selectable 3 / 6 / 9-second delay settings (0–15 second range), so your lock releases for exactly the right duration.
- Auto Overload & Short-Circuit Protection: Built-in automatic protection disconnects power or trips the auto-fuse in the event of a short-circuit, protecting your entire system.
- Anti-Interference Design: Engineered to resist electrical interference, ensuring consistent and dependable performance even in demanding environments.
- Compact Form Factor: Measures just 10.2 × 6.7 × 3.3 cm — easy to mount or conceal inside a control cabinet.
- Wide Operating Temperature: Rated for –20 °C to +50 °C, suitable for indoor and sheltered outdoor installations.
- Available in White or Black to match your installation aesthetic.
Compatible Devices
- Electromagnetic (EM) Locks / Magnetic Locks
- Electric Strike Locks
- Access Controllers & RFID / IC Card Readers
- Fingerprint Access Control Machines
- Exit Push Buttons
Full Specifications
| Brand | Asia-Teco |
| Model | KDB05 |
| AC Input | AC 100–240V, 50/60 Hz |
| DC Output | DC 12V / 3.5A (Regulated) |
| Time Delay Settings | 3 / 6 / 9 seconds (0–15 s range) |
| Output Mode | NC / NO selectable |
| Operating Temperature | –20 °C to +50 °C |
| Dimensions | 10.2 × 6.7 × 3.3 cm |
| Color Options | White / Black |
| Origin | Made in Mainland China |
| High-Concern Chemicals | None |
Installation & Safety
For guidance on safe electrical installation and consumer product safety standards, refer to the U.S. Consumer Product Safety Commission (CPSC). Always have your power supply installed by a qualified electrician if you are unsure about wiring your access control system.
Frequently Asked Questions
Q: What types of electric locks is this access control power supply compatible with?
A: The Asia-Teco KDB05 power supply is compatible with a wide range of electric locks, including electromagnetic (magnetic) locks, electric strike locks, and other 12V DC locks. Its NC/NO output selection makes it suitable for virtually any lock type used in modern access control systems, as well as RFID card readers, fingerprint machines, and exit push buttons.
Q: Can I use this power supply outside the United States?
A: Yes. The KDB05 accepts AC 100V–240V at 50/60 Hz, covering virtually every mains voltage standard used worldwide. Simply use the appropriate plug adapter for your country's outlet format and this unit will work seamlessly.
Q: What does the adjustable time delay do?
A: The time delay setting controls how long the lock remains unlocked after an access event (e.g., a card swipe or fingerprint scan). You can set it to 3, 6, or 9 seconds (with a range of 0–15 seconds) so the door re-locks automatically after the chosen interval, enhancing security without requiring manual re-locking.
Q: Does this power supply have short-circuit protection?
A: Yes. The KDB05 features automatic overload and short-circuit protection. If a short-circuit occurs, the unit will automatically disconnect power or trip its auto-fuse line to protect your access control system components from damage.