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Mean Well AD-55A Security Power Supply 51.38W 13.8V 3.5A - UPS
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Description
Description
The AD is a 155W Mean Well. power converter. and an input range of 88~264VAC.
Key Features
- ✓ Input voltage range: 88~264VAC
- ✓ DC output voltage adjustable ±10%
- ✓ 3KVAC reinforced I/O isolation
- ✓ Wide operating temperature: -10~+60℃
- ✓ Protections: Overload / Over voltage
- ✓ Active PFC — meets international energy efficiency regulations
- ✓ 3 years warranty
Specifications
Specifications
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BrandMean Well
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SeriesAD Series
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Power Rating51.38 Watt
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Output Voltage13.8 Volt
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Rated Current3.5 Ampere
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Input Voltage88V~264V
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Standards MetCB,CE,TUV,UL
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Operation ModeConstant Voltage
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Operating Temperature-10°C~60°C
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Warranty2 Year
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Length15.9 cm
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Width9.7 cm
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Height3.8 cm
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Weight0.5 kg
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Payment & Security
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Frequently Asked Questions
What kinds of systems is the AD-55A designed to support?
The Mean Well AD-55A is designed for lower-power security and backup-power applications that need a 13.8V DC output. With 51.38W of rated power and 3.5A output current, it is a practical fit for smaller alarm, access control, and related low-voltage support loads that benefit from UPS-style DC supply behavior.
Can the AD-55A be used in battery-backed security power systems?
Yes. The AD-55A includes UPS-oriented security power supply functionality, so it is suitable for systems where the DC load is part of a battery-backed architecture. The connected equipment still needs to remain within the supply's 13.8V, 3.5A, and 51.38W rating.
Is the AD-55A better for smaller 13.8V loads than the AD-155 series?
Yes, if your load is modest. The AD-55A provides the same 13.8V output class as the AD-155A but at a lower 51.38W and 3.5A level, which can make it a better fit for lighter-duty systems that do not need the higher capacity of the 151.55W AD-155A.
Will the AD-55A run from common AC mains inputs?
Yes. The listed AC input range is 88-264VAC, so the AD-55A can operate from common AC mains environments within that range, including typical 120V and 240V supplies. That helps simplify deployment across multiple sites.
How does the AD-55A compare with other AD series models?
The AD-55A is the lower-power option in this group, providing 51.38W at 13.8V and 3.5A. By comparison, the AD-155A delivers 151.55W at 13.8V and 10.5A, the AD-155B delivers 151.55W at 27.6V and 5A, and the AD-155C delivers 156.5W at 54V and 2.7A. The choice comes down to your required output voltage and total load size.
Other AD Series Models
4 other models| Model | Power | Voltage | Current | Battery Voltage | |
|---|---|---|---|---|---|
| Mean Well AD-155A Security Power Supply 151.55W 13.8V 10.5A - UPS | 151.55W | 13.8V | 10.5A | 13.3V | View |
| Mean Well AD-55B Security Power Supply 53.92W 27.6V 1.8A - UPS | 53.92W | 27.6V | 1.8A | 26.5V | View |
| Mean Well AD-155C Security Power Supply 156.5W 54V 2.7A - UPS | 156.5W | 54V | 2.7A | 53.5V | View |
| Mean Well AD-155B Security Power Supply 151.55W 27.6V 5A - UPS | 151.55W | 27.6V | 5A | 27.1V | View |
