Mean Well AD-55B Switching Power Supply

AC-DC Enclosed 27.6Vdc at 2A +26.5Vdc at 0.16A

The Mean Well AD-155 series 151.55W dual output embedded switch mode power supply has output currents of 5A at 27.6VDC (channel 1) and 0.5A at 27.1VDC (channel 2). This battery backed PSU operates as an integrated power supply. It can simultaneously power an electrical device while charging a rechargeable battery. If the mains power supply fails, the unit switches to the external battery that continues to power the electrical device until the mains power is resupplied, or the battery runs out. It is used with batteries with a capacity below 3Ah. It has a universal input supply voltage rating ranging from 88VAC to 264VAC/124VDC to 370VDC.

Features:
Universal AC input
Battery charger UPS function
Short circuit, overload & over voltage protection
Battery low protection
Built in EMI filter
100% full load burn-in test
Suitable for security industry or battery backup systems

Specifications:

Output Voltage: 26.5 V dc, 27.6 V dc
Output Current: 1.8 A, 160mA
Power Rating: 53.9W
Number of Outputs: 2
Input Voltage: 124 → 370 V dc, 88 → 264 V ac
Mounting Type: Chassis Mount
Package Type: Enclosed
Efficiency: 74%
Maximum Temperature: +60°C
Minimum Temperature: -10°C

Dimension: 159 x 97 x 38 mm (104D) (L x W x H)
Weight: 0.55 K