Access Control Power Supply Unit (A30-5a)

The device in your image is an Access Control Power Supply Unit (A30-5A), a standard component for security systems like electronic locks, card readers, and biometric door controllers. ## Technical Specifications * Output: DC 12V with a 5A current rating (approx. 60W). * UPS Functionality: Includes a dedicated terminal to connect a 12V 7AH backup battery, ensuring the system stays active during power outages. * Control: Features NC/NO (Normally Closed/Open) outputs and a built-in adjustable delay timer (0–15 seconds) for door unlocking. * Protection: Auto-protection against short circuits and overloads.