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Mean Well RPS-120S-27 Green Power Supply W 27V 4.44A - Medical Power Supply
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Mean Well RPS-120S-27 Green Power Supply W 27V 4.44A - Medical Powe...
The RPS-120S is a 120W Mean Well power converter (input range: 80~264VAC, operating temperature: -30~+85℃).
Key Features
- ✓ Input voltage range: 80~264VAC
- ✓ DC output voltage adjustable ±10%
- ✓ 4KVAC reinforced I/O isolation
- ✓ Wide operating temperature: -30~+85℃
- ✓ Protections: Overload / Over voltage / Over temperature
- ✓ Active PFC — meets international energy efficiency regulations
- ✓ Safety approvals: ISOLATION RESISTANCE IEC60601-1, TUV EN60601-1, 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 Rating119.9 Watt
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Output Voltage27 Volt
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Rated Current4.44 Ampere
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Input Voltage80V~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~85°C
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Warranty3 Year
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Length3 in
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Width2 in
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Height1.1 in
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Weight0.29 lb
::specification::
Frequently Asked Questions
Can I use the RPS-120S-27 for 27V industrial control or automation equipment?
Yes, it is a constant voltage 27V supply rated for 4.44A and 119.9W. It is intended for equipment that specifically requires a regulated 27V DC source within those output limits.
Is the RPS-120S-27 a good choice for compact embedded systems with a 27V bus?
It can be a good fit where space is tight because the unit measures 76.2 x 50.8 x 28.0 mm. The output is fixed at 27V constant voltage with up to 4.44A available for embedded hardware built around a 27V rail.
Can this model support 27V loads with brief peak demand?
Yes, the supply is rated for 119.9W continuous output and allows 150W peak for 10s. That can help in applications where the 27V load has a short-duration surge above normal running demand.
Can the RPS-120S-27 be used in outdoor cabinets or exposed locations?
No IP rating is listed for this model, so it is better treated as an indoor or protected-enclosure power supply rather than an exposed outdoor unit. The operating temperature range is -30°C to +85°C, but environmental protection still depends on the enclosure around it.
How does the RPS-120S-27 differ from the other RPS-120S versions?
The RPS-120S series includes 12V at 9.5A and 114W, 15V at 7.6A and 114W, 24V at 5A and 120W, 27V at 4.44A and 119.9W, and 48V at 2.5A and 120W. The 27V version sits between the 24V and 48V options in output voltage while keeping the same compact family format.
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