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Mean Well RS-50-3.3 Power Supply 50W 3.3V
No load power consumption <0.2W for 35W/50W; <0.3W for 75W/100WUniversal AC input / Full rangeWithstand 300VAC surge input for 5 secondsUltra compact and 1U low profileWithstand 5G vibration testHigh operating temperature up to 70oCProtections: Short circuit / Overload / Over voltageCooling by free air convectionCompliance to IEC/EN60335-1(PD3) and IEC/EN61558-1,-2-16 for household appliancesOperating altitude up to 5000 metersHigh efficiency, long life and high reliabilityLED indicator for power onLow cost3 years warranty
Key Features
- ✓85~264VAC; 120~370VDC
- ✓Cold start, 45A at 230VAC
- ✓±10% by potentiometer
- ✓110%~150%
- ✓Type Hiccup mode, auto-recovery
- ✓115%~135% rated output voltage
- ✓Shut down o/p voltage, re-power on to recover
- ✓3.75kVAC, I/P-FG: 2kVAC, O/P-FG: 1.25kVAC, 1 minute
- ✓-30~+70°C (refer to output derating curve)
- ✓UL60950-1, IEC/EN60950-1, IEC/EN61558-1, EN61558-2-16, IEC/EN60335-1, CCC GB4943 approved
- ✓EN55022 class B, EN55014, EN61000-3-2, 3, EN61000-4,2,3,4,5,6,8,11, GB9254
- ✓5P/9.5mm pitch terminal block
- ✓99x 82x 30
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BrandMean Well
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SeriesRS Series
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Power Rating33 Watt
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Output Voltage3.3 Volt
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Rated Current10 Ampere
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Input Voltage88V~264V
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No of Output1
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Standards MetCB,CCC,CE,EAC,TUV,UL
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Operation ModeConstant Voltage
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Operating Temperature-25°C~70°C
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Warranty3 Year
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Length3.9 in
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Width3.82 in
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Height1.42 in
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Weight0.9 lb
::specification::
Frequently Asked Questions
Can I use the RS-50-3.3 for 3.3V logic boards or embedded processor hardware?
Yes, if the load requires constant 3.3V and stays within 10A and 33W. That makes it suitable for 3.3V digital electronics, processor boards, and embedded assemblies that need higher current at a low voltage rail.
Is the RS-50-3.3 suitable for industrial communication modules or low-voltage controller boards?
It can be used for 3.3V constant-voltage electronics up to 10A, with 33W total available output. It is a fit for compact industrial and embedded modules that run directly from a 3.3V DC supply.
Can this model power multiple 3.3V electronics loads in one control system?
It can support multiple 3.3V loads if their combined demand remains within 10A and 33W. The main requirement is that all connected devices are designed for constant 3.3V operation and the total load stays inside the unit's rating.
How does the RS-50-3.3 compare with other 3.3V RS series models?
The listed 3.3V models are RS-15-3.3 at 9.9W and 3A, RS-25-3.3 at 19.8W and 6A, RS-35-3.3 at 35W and 7A, RS-50-3.3 at 33W and 10A, RS-75-3.3 at 49.5W and 15A, RS-100-3.3 at 66W and 20A, and RS-150-3.3 at 99W and 30A. The RS-50-3.3 offers more current than the RS-35-3.3, while remaining below the 49.5W, 66W, and 99W models in total output power.
Is the RS-50-3.3 appropriate for outdoor electronics cabinets or only indoor enclosures?
The specs list -25°C to +70°C operation and 5G vibration resistance, which supports demanding indoor equipment environments. No IP rating is provided, so the published data does not confirm outdoor or weather-exposed suitability.
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Other RS-50 Models
5 other models| Model | Power | Voltage | Current | IP Rating | Price | |
|---|---|---|---|---|---|---|
| Mean Well RS-50-12 Power Supply 50W 12V | 50.4W | 12V | 4.2A | Indoor | $16.87 | View |
| Mean Well RS-50-5 Power Supply 50W 5V | 50W | 5V | 10A | Indoor | $16.87 | View |
| Mean Well RS-50-48 Power Supply 50W 48V | 52.8W | 48V | 1.1A | Indoor | $16.86 | View |
| Mean Well RS-50-24 Power Supply 50W 24V | 52.8W | 24V | 2.2A | Indoor | $16.87 | View |
| Mean Well RS-50-15 Power Supply 50W 15V | 51W | 15V | 3.4A | Indoor | $16.87 | View |
