Over 15 years experience of providing support of MEAN WELL Power Supplies
Description
Description
Specifications
Specifications
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BrandMean Well
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SeriesSD Series
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Power Rating504 Watt
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Output Voltage12 Volt
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Rated Current4.2 Ampere
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Input Voltage9.2V~18V
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Standards MetCE,EAC,RCM
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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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Weight0.48 kg
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Frequently Asked Questions
Can I use the SD-50A-12 for a small 12V industrial controller or HMI?
Yes, this model provides constant-voltage 12V output up to 4.2A. It is intended for lower-power 12V industrial or control loads within its stated 504W power figure and 9-18V input range.
Is the SD-50A-12 suitable for 12V embedded systems in compact equipment?
It can be used for 12V embedded devices that need a regulated 12V rail and operate within the available 4.2A output current. Its smaller 159.0 × 97.0 × 38.0 mm housing and 0.48 kg weight also suit tighter equipment spaces.
Can this converter support 12V monitoring, alarm, or access-control electronics from a low-voltage source?
Yes, if the system requires constant 12V output and the source stays within the 9-18V input range. The rated 4.2A output makes it more appropriate for lighter 12V electronics than for high-current 12V loads.
Can the SD-50A-12 be used in vehicle or mobile control applications with a 12V output requirement?
It can be a fit when the available source is between 9V and 18V and the load needs regulated 12V. The 2:1 wide input range supports that lower-voltage source window for compact mobile or embedded control systems.
How does the SD-50A-12 compare with the other SD-50A output versions?
The SD-50A-12 provides 12V output at 4.2A with a listed power figure of 504W. In the same SD-50A family, the SD-50A-24 is 24V at 2.1A with a listed 504W figure, and the SD-50A-5 is 5V at 10A with a listed 504W figure. These models share the 9-18V input range, 159.0 × 97.0 × 38.0 mm dimensions, 0.48 kg weight, and -10°C to +60°C operating temperature.
Is the SD-50A-12 appropriate for outdoor use or unsealed enclosures?
The operating temperature range is -10°C to +60°C. No IP rating is provided in the supplied specs, so these specs do not confirm outdoor exposure protection and point to use in a protected enclosure when environmental sealing matters.
Other SD-50A Models
2 other models| Model | Power | Voltage | Current | IP Rating | |
|---|---|---|---|---|---|
| Mean Well SD-50A-24 DC-DC Converter - 50W - 9.2~18V in 24V out | 504W | 24V | 2.1A | Indoor | View |
| Mean Well SD-50A-5 DC-DC Converter - 50W - 9.2~18V in 5V out | 504W | 5V | 10A | Indoor | View |




