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Mean Well RSD-300C-12 DC-DC Converter - 201.6W - 33.6~62.4V in 12V out
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The RSD-300C 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 Rating201.6 Watt
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Output Voltage12 Volt
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Rated Current22.5 Ampere
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Input Voltage33.6V~62.4V
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No of Output2
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Dimming ControlNone
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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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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-300C-12 to step down a nominal 48V DC bus for 12V accessories?
Yes, this model accepts 33.6~62.4V input and provides a constant-voltage 12V output. It can supply up to 22.5A and 201.6W for 12V accessory and control loads.
Is the RSD-300C-12 suitable for 12V routers, HMIs, or control hardware on higher-voltage DC systems?
Yes, if the source is within 33.6~62.4V and the connected 12V load stays within 22.5A and 201.6W. Its output is regulated 12V constant voltage for equipment that expects a fixed 12V rail.
Can this converter be used on industrial vehicles or automation platforms with a higher DC bus?
It is intended for higher-input DC systems that need regulated 12V output, with an input range of 33.6~62.4V. The listed features include 5G vibration resistance and 70C operation, and the operating temperature range is -40C to +85C.
Can one RSD-300C-12 power several 12V devices from the same higher-voltage source?
Yes, as long as the total 12V load remains within 22.5A and 201.6W. That allows multiple 12V devices to share one converter on a 33.6~62.4V DC system.
Is this model rated for outdoor or temperature-extreme conditions?
The operating temperature is specified as -40C to +85C, which covers a wide temperature range. No IP rating is listed in the provided specs, so outdoor sealing and moisture protection are not specified.
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Other RSD-300C Models
1 other model| Model | Power | Voltage | Current | IP Rating | Price | |
|---|---|---|---|---|---|---|
| Mean Well RSD-300C-48 DC-DC Converter - 201.6W - 33.6~62.4V in 48V out | 201.6W | 48V | 5.7A | Indoor | $128.50 | View |



