DC 12V 4A Power Supply for Door Access Control Systems
DC 12V 4A Power Supply for Door Access Control Systems
DC 12V 4A Universal Power Supply for Electric Lock & Access Control Systems
Power your door access control setup with confidence using this compact and reliable DC 12V 4A Universal Power Supply. Designed for compatibility with a wide range of electric locks, magnetic locks, and access control panels, this unit delivers steady, regulated 12V DC output to keep your security system running smoothly around the clock. Made in Mainland China.
Key Features
- Universal Input Voltage: Accepts 110–240V AC input, making it compatible with power grids worldwide.
- Stable 12V DC Output: Provides a consistent 4A output current ideal for electric locks and access controllers.
- Wide Output Trim Range: ±10% to ±15% voltage trim range allows fine-tuning to match your system's requirements.
- Built-In Overload & Short-Circuit Protection: All outputs are protected against short circuits and overloads, with a 0–15 second power output delay lock for added safety.
- High Insulation Rating: Primary/secondary inter-insulation rated at 1500V AC for enhanced electrical safety and durability.
- Wide Operating Temperature Range: Reliable performance from -20°C to +35°C, suitable for indoor installations in varying environments.
- Compact Design: Measures approximately 103 × 66 × 33mm — small footprint for easy installation in access control enclosures.
- Fast Hold Time: Full-load hold time of typically 20ms ensures uninterrupted system operation during brief power fluctuations.
Technical Specifications
- Model: K80
- Input Voltage: 110–240V AC
- Input Frequency: 50–60Hz
- Output Voltage: DC 12V
- Output Current: 4A
- Output Voltage Trim Range: ±10% to ±15%
- Insulation Voltage: Primary/secondary: 1500V AC; Secondary/shell: 500V AC
- Hold Time: 20ms (full load, typical)
- Operating Temperature: -20°C to +35°C
- Dimensions: Approx. 103 × 66 × 33mm (L × W × H)
- High-Concern Chemicals: None
- Country of Origin: Mainland China
What's in the Box
- 1 × DC 12V 4A Access Control Power Supply (Model K80)
Safety & Standards
For guidance on electrical safety best practices in commercial and residential installations, refer to the OSHA Electrical Safety Standards. Always ensure your installation complies with local electrical codes and is performed by a qualified technician.
Frequently Asked Questions
Q: Is this DC 12V 4A power supply compatible with magnetic door locks?
A: Yes. This universal DC 12V 4A power supply is designed to work with a wide range of access control hardware, including magnetic locks (maglocks), electric strike locks, and access control panels that require a stable 12V DC power source.
Q: Can this power supply be used internationally?
A: Absolutely. With a universal AC input range of 110–240V at 50–60Hz, this power supply is compatible with electrical outlets in most countries around the world. Simply use the appropriate plug adapter for your region.
Q: What protection features does this power supply include?
A: The K80 power supply includes built-in short-circuit and overload protection across all outputs, plus a 0–15 second power output delay lock. It also features high insulation voltage ratings (up to 1500V AC) to help protect connected equipment from electrical faults.
Q: What is the output voltage trim range and why does it matter?
A: The output voltage can be adjusted within ±10% to ±15% of the nominal 12V output. This allows you to fine-tune the voltage delivered to your access control hardware, ensuring optimal performance across different devices and system configurations.