Over 15 years experience of providing support of MEAN WELL Power Supplies
Mean Well RPS-300-48 Green Power Supply W 48V 4.17A - Medical Power Supply
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The RPS-300 is a 300W Mean Well power converter (input range: 90~264VAC, operating temperature: -30~+70℃).
Key Features
- ✓ Input voltage range: 90~264VAC
- ✓ DC output voltage adjustable ±10%
- ✓ 4KVAC reinforced I/O isolation
- ✓ Wide operating temperature: -30~+70℃
- ✓ Protections: Overload / Over voltage / Over temperature
- ✓ Active PFC — meets international energy efficiency regulations
- ✓ Safety approvals: IEC60601-1, TUV EN60601-1, EAC TP TC 004 , UL ANSI / AAMI ES60601-1 (3.1 version), CAN/CSA-C22.2 No. 60601-1:14 - Edition 3
- ✓ 3 years warranty
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BrandMean Well
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SeriesRPS Series
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Power Rating200.2 Watt
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Output Voltage48 Volt
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Rated Current4.17 Ampere
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Input Voltage90V~264V
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No of Output1
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Dimming ControlNone
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Standards MetCB,CE,cUL,EAC,SHIDE
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Operation ModeConstant Voltage
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Operating Temperature-30°C~70°C
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Warranty3 Year
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Length5 in
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Width3 in
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Height1.38 in
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Weight0.82 lb
::specification::
Frequently Asked Questions
Can I use the RPS-300-48 for a 48V industrial controller or communications device?
Yes, if the equipment requires constant-voltage 48V DC and draws no more than 4.17A or 200.2W. The 90-264VAC input range is useful where equipment may be deployed across different AC mains conditions.
Is the RPS-300-48 suitable for medical or laboratory equipment with a 48V DC input?
It is specified as a medical power supply and includes medical safety approval with extreme low leakage current. The connected 48V device still needs to stay within the unit's 4.17A and 200.2W output rating.
Can this model power a 48V embedded system or OEM subassembly?
Yes, it can support 48V embedded or OEM assemblies that need a constant-voltage source up to 4.17A. Its compact 127.0 x 76.2 x 35.0 mm dimensions can also help in space-constrained equipment designs.
Would the RPS-300-48 work for a moderate-power 48V automation load?
It can power a 48V automation load when the total requirement stays within 4.17A and 200.2W. That makes it appropriate for equipment designed around a 48V DC bus rather than lower-voltage rails.
How does the RPS-300-48 compare with other 48V models in the RPS series?
In the listed 48V group, RPS-120-48 and RPS-120-48-C are 84W at 2.5A, RPS-120S-48 is 120W at 2.5A, RPS-160-48 is 113.4W at 2.3A, RPS-200-48 and RPS-200-48-C are 144W at 3A, this RPS-300-48 and RPS-300-48-C are 200.2W at 4.17A, RPS-400-48 variants are 254.4W at 5.3A, and the RPS-500-48 family ranges from 312W at 6.5A up to 499.2W at 10.4A. This model sits in the middle of the 48V family, above the 120W to 200W-class units and below the 400W to 500W-class versions.
Is the RPS-300-48 meant for outdoor installations?
No IP rating is listed for this power supply, so it should not be treated as suitable for direct outdoor exposure. The published operating temperature range is -30°C to +70°C, but the specs do not establish outdoor or wet-location use.
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