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Mean Well RD-50B Power Supply 50W 5V 24V
The RD is a 125W Mean Well DIN rail power converter with a 99mm profile (input range: 176~264VAC, operating temperature: -25~+70°C).
Key Features
- ✓ 99mm width — DIN rail TS-35 compatible
- ✓ Input voltage range: 176~264VAC
- ✓ DC output voltage adjustable ±10%
- ✓ Cooling by free air convection
- ✓ Wide operating temperature: -25~+70°C
- ✓ Protections: Short circuit / Overload / Over voltage
- ✓ Safety approvals: UL62368- TUV EN62368-1, EAC TP TC 004
- ✓ 3 years warranty
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BrandMean Well
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SeriesRD Series
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Power Rating53.6 Watt
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Output Voltage5 Volt
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Rated Current4 Ampere
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Input Voltage88V~264V
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No of Output2
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Standards MetCB,CE,EAC,RCM,TUV,UL
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Operation ModeConstant Voltage
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Operating Temperature-25°C~70°C
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Warranty3 Year
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Length3.9 in
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Width3.82 in
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Height1.42 in
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Weight0.9 lb
::specification::
Frequently Asked Questions
Can I use the RD-50B for a control cabinet that needs 5V logic and 24V auxiliary power?
Yes, this is a dual output constant voltage power supply with 5V and 24V outputs and a total rated power of 53.6W. The 5V output is rated at 4A, so it fits lighter logic loads while also providing a second output rail. It is better suited to compact controls and auxiliary electronics than to higher-current 5V systems.
Is the RD-50B a good fit for industrial communication or monitoring hardware with moderate 5V demand?
It can be, provided the main 5V load stays within 4A and the total power stays within 53.6W. That makes it more appropriate for lighter 5V electronics than models in the same series with 6A or 8A on the 5V rail. Its 88-264VAC input also helps when the equipment may be used on different AC mains ranges.
Can the RD-50B be used in embedded or automation equipment where space is limited?
Yes, its 99.0 x 97.0 x 36.0 mm size and 0.41 kg weight make it a compact option for enclosure-based equipment. It is a constant voltage design with a 5V 4A main output, so it fits lower-power embedded and automation assemblies rather than larger 5V loads. The dual output design is useful where two DC rails are needed from one supply.
Is the RD-50B suitable for outdoor use or washdown areas?
The operating temperature range is -25C to +70C, which covers a broad indoor industrial temperature range. No IP rating is listed in the provided specs, so it should not be treated as an exposed outdoor or washdown-rated power supply. It is better suited to protected indoor installations or enclosed equipment.
What are the main differences between the RD-50B and other RD series siblings?
In the sibling data provided, RD-35A is 32W at 5V 4A, RD-35B is 35W at 5V 2.2A, RD-50A is 54W at 5V 6A, RD-65A is 66W at 5V 6A, RD-65B is 68W at 5V 4A, RD-85A is 88W at 5V 8A, RD-85B is 88W at 5V 8A, RD-125A is 130.9W at 5V 7.7A, RD-125B is 133.4W at 5V 4.6A, RD-3513 is 35.1W at 13.5V 1.3A, RD-125-1224 is 125W at 12V 3.7A, RD-125-1248 is 125W at 12V 2.3A, and RD-125-2448 is 125W at 24V 2A. The list also names RD-125-2412, RD-125-4812, RD-125-4824, RD-125A-OB, RD-125NB, and RD-65A-OB without full figures. RD-50B itself is the 53.6W version with a 5V 4A main output and dual output configuration.
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