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Mean Well RSD-300D-12 DC - DC Converter 300W 12V
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 Rating270 Watt
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Output Voltage12 Volt
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Rated Current22.5 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-12 to power a 12V industrial control system from a 67 to 143V DC source?
Yes. The RSD-300D-12 is a constant-voltage DC-DC converter with a 67 to 143V input range and a 12V output. Its 270W and 22.5A rating suits 12V control loads that stay within those limits.
Is this converter suitable for 12V embedded computers or automation electronics in higher-voltage DC equipment?
It can be a fit when the source bus is 67 to 143V DC and the equipment needs regulated 12V. The available output is 22.5A with 270W total power, which supports heavier 12V embedded and automation loads within that range.
Would the RSD-300D-12 work in rail, vehicle, or mobile industrial systems with vibration?
Yes, the listed features include 5G vibration resistance, which aligns with mobile or vibration-prone industrial environments. It provides 12V constant-voltage output and is rated for 270W with up to 22.5A output current.
Can I use this model for 12V industrial communications or monitoring equipment on a high-voltage DC bus?
Yes, if the downstream equipment requires 12V constant-voltage power and remains within 22.5A and 270W. The 67 to 143V input range is useful where the upstream DC bus is substantially higher than the load voltage.
Is the RSD-300D-12 appropriate for outdoor or high-temperature locations?
The operating temperature range is -40°C to +55°C, so it supports cold and moderately high ambient conditions. No IP rating is listed, so the published specs do not confirm outdoor exposure or washdown suitability.
How does the RSD-300D-12 compare with the other RSD-300D variants listed?
The listed RSD-300D variants 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. The provided sibling data shows different output voltages, currents, and wattage figures across the group.
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