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Mean Well RSD-300D-48 DC - DC Converter 300W 48V
The RSD-300D 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
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BrandMean Well
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SeriesRSD Series
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Power Rating273.6 Watt
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Output Voltage24 Volt
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Rated Current5.7 Ampere
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Input Voltage67.2V~143V
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No of Output1
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Standards MetBSMI,CB,CE,EAC,UL
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Operation ModeConstant Voltage
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Operating Temperature-40°C~55°C
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Warranty3 Year
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Length8.5 in
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Width3.8 in
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Height1.57 in
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Weight2.62 lb
::specification::
Frequently Asked Questions
Can I use the RSD-300D-48 for industrial equipment that needs the 48V version on a 67 to 143V DC input bus?
Yes. The product is identified as the RSD-300D-48 and is intended for high-voltage DC input from 67 to 143V. It is rated at 273.6W with 5.7A output current for constant-voltage applications within those stated limits.
Is this model suitable for telecom or networking hardware that uses the 48V version of the RSD-300D series?
It can be suitable where the equipment matches the output version of this model and stays within 5.7A and 273.6W. The converter is designed for a 67 to 143V DC input range and constant-voltage operation.
Would the RSD-300D-48 work in mobile or vibration-prone industrial platforms?
Yes. Its listed features include 5G vibration resistance, which supports use in moving machinery or transport-related equipment. The unit is also housed in a compact 216.0 × 96.5 × 40.0 mm form factor and weighs 1.19 kg.
Can this converter be used for higher-voltage DC systems that need a compact constant-voltage module?
Yes, when the source range is 67 to 143V DC and the load fits within the stated 273.6W and 5.7A output limits. Its miniature-size feature, 216.0 × 96.5 × 40.0 mm dimensions, and 1.19 kg weight can help where space is constrained.
Is the RSD-300D-48 suitable for outdoor or temperature-extreme environments?
The specified operating range is -40°C to +55°C, so it is designed for low-temperature and elevated-temperature operation within that window. No IP rating is listed, so the available specs do not confirm protection for outdoor exposure.
How does the RSD-300D-48 compare with the other RSD-300D models?
The listed RSD-300D models are RSD-300D-12 at 270W, 12V, 22.5A, RSD-300D-24 at 210W, RSD-300D-48 at 273.6W, 24V, 5.7A, and RSD-300D-5 at 210W. Based on the provided sibling data, the versions differ by rated wattage and output specification.
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