Over 15 years experience of providing support of MEAN WELL Power Supplies
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Mean Well IRM-03-12S Switching Power Supply 3W 12V 250mA - Encapsul...
Description
Description
The IRM-03 is a 3W Mean Well power converter (input range: 85~305VAC, operating temperature: -30~+85℃).
Key Features
- ✓ Input voltage range: 85~305VAC
- ✓ 3KVAC reinforced I/O isolation
- ✓ Cooling by free air convection — no minimum load required
- ✓ Wide operating temperature: -30~+85℃
- ✓ Protections: Short circuit / Overload / Over voltage
- ✓ Safety approvals: UL62368-1, TUV EN62368, TUV EN60335-1, EAC TP TC 004 BSMI CNS14336-1
- ✓ 3 years warranty
Specifications
Specifications
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BrandMean Well
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SeriesIRM Series
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Power Rating3 Watt
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Output Voltage12 Volt
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Rated Current0.25 Ampere
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Input Voltage85V~305V
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No of Output1
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Dimming ControlNone
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Standards MetBSMI,CB,CE,EAC,TUV,UL
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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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Length1.46 in
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Width0.94 in
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Height0.63 in
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Weight0.06 lb
File Downloads
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Payment & Security
Payment methods
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Frequently Asked Questions
Can I use the IRM-03-12S for a small 12V PLC interface or relay logic board?
Yes, it is a constant-voltage 12V unit rated at 3W, which fits low-power 12V control electronics. It is intended for smaller interface and logic loads rather than higher-power 12V equipment.
Is the IRM-03-12S suitable for embedded 12V sensor hubs or monitoring modules?
It can be a fit when the embedded load needs regulated 12V and stays within the 3W output rating. The SMD style package and 37.0 × 24.0 × 16.0 mm size support compact board-level power designs.
Can this model be used in industrial HMIs or automation accessories that need a small 12V supply?
Yes, for low-power 12V accessory electronics, the IRM-03-12S provides constant-voltage output from an 85-305VAC input. That wide input range is useful for equipment intended for different AC supply regions.
Would the IRM-03-12S make sense for a small 12V communications or signaling module?
It can, provided the module is a low-power 12V load within the 3W rating. The encapsulated construction is aimed at internal use in compact electronic assemblies.
Is the IRM-03-12S rated for outdoor use?
The operating temperature range is -30°C to +85°C, so temperature capability is broad. However, no IP rating is listed in the provided specs, so the data does not confirm suitability for exposed outdoor environments.
How does the IRM-03-12S compare with other 12V IRM options?
In the 12V group, IRM-01-12 and IRM-01-12S are 1W, 12V, 0.08A; IRM-02-12 and IRM-02-12S are 2W, 12V, 167A; IRM-03-12 and IRM-03-12S are 3W, 12V, 250A; IRM-05-12 is 5.04W, 12V, 0.42A; IRM-10-12 is 10.2W, 12V, 0.85A; IRM-15-12 is 15W, 12V, 1.25A; IRM-20-12 is 21.6W, 12V, 1.8A; IRM-30-12 and IRM-30-12ST are 30W, 12V, 2.5A; IRM-45-12 and IRM-45-12ST are 45.6W, 12V, 3.8A; IRM-60-12 and IRM-60-12ST are 60W, 12V, 5A; and IRM-90-12 and IRM-90-12ST are 80.4W, 12V, 6.7A. The IRM-03-12S sits near the low-power end of that 12V range.
