Over 15 years experience of providing support of MEAN WELL Power Supplies
Description
Description
The RSD-300B is a 300W Mean Well power converter (input range: 16.8~31.2VDC).
Key Features
- ✓ Input voltage range: 16.8~31.2VDC
- ✓ 4KVDC reinforced I/O isolation
- ✓ Cooling by free air convection
- ✓ Protections: Overload / Over voltage / Over temperature / Reverse polarity
- ✓ Railway standards: EN45545-2 (fire), EN50155 / IEC60571, IEC61373 (shock & vibration) — S1 level
- ✓ Safety approvals: AS/NZS 62368-1, EAC TP TC 004
- ✓ 3 years warranty
Specifications
Specifications
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BrandMean Well
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SeriesRSD Series
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Power Rating200.4 Watt
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Output Voltage48 Volt
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Rated Current5.7 Ampere
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Input Voltage16.8V~31.2V
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Standards MetCB,CE,EAC,EMC,RCM
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Operation ModeConstant Voltage
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Operating Temperature-40°C~85°C
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Warranty3 Year
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Length21.6 cm
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Width9.65 cm
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Height4 cm
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Weight1.19 kg
File Downloads
File Downloads
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Payment & Security
Payment methods
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Frequently Asked Questions
Can I use the RSD-300B-48 to run 48V telecom or industrial communication equipment from a lower-voltage DC source?
Yes, it accepts 16.8~31.2V input and provides a constant-voltage 48V output. It supports up to 5.7A and 200.4W, which suits many 48V communication and control loads.
Is this converter suitable for 48V radios, gateways, or network edge hardware on mobile platforms?
It is designed for regulated 48V output applications that stay within 5.7A and 200.4W. The listed features include 5G vibration resistance and 70C operation, and the operating temperature range is -40C to +85C.
Can the RSD-300B-48 power 48V automation devices in industrial equipment?
Yes, as long as the DC input is within 16.8~31.2V and the total 48V load remains within 5.7A and 200.4W. Its constant-voltage 48V output fits equipment that expects a fixed 48V supply.
Can I size this model for multiple 48V loads on the same system?
You can, but the combined load must stay within 5.7A and 200.4W at 48V output. That makes it better suited to moderate 48V loads rather than higher-current 48V distribution.
How well does the RSD-300B-48 handle harsh environments?
The specified operating range is -40C to +85C, and the features list includes 70C operation and 5G vibration resistance. No IP rating is provided, so the specs do not define outdoor sealing or ingress protection.
