Product Description
The MEAN WELL AD-55A is a 51W to 55W dual-output AC-to-DC enclosed switching power supply featuring an integrated battery charger and UPS function. It is widely used in security systems, alarm modules, and industrial control cabinets to ensure uninterrupted equipment operation during primary power
Key Specifications
- Main Output (CH1): 13.8 VDC at up to 4.0A (adjustable from 12V to 14.5V).
- Battery Charger Output (CH2): 13.4 VDC at 0.23A, optimized for lead-acid backup batteries.
- Input Range: Universal 88–264 VAC or 124–370 VDC.
- Protection Systems: Includes short circuit, overload, overvoltage, low-battery cutoff, and battery polarity protections.