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Mean Well GST40A12-P1J Power Supply 40W 12V
The GST40A12 is a 40W Mean Well power converter (input range: 90~264VAC).
Key Features
- ✓ Input voltage range: 90~264VAC
- ✓ 3KVAC reinforced I/O isolation
- ✓ Cooling by free air convection
- ✓ Protections: Short circuit / Overload / Over voltage
- ✓ Safety approvals: UL60950-1, CSA C22.2, TUV EN60950-1, BSMI CNS14336, CCC GB4943, PSE J60950-1,AS/NZS 60950.1
- ✓ 3 years warranty
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BrandMean Well
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SeriesGST Series
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Power Rating40 Watt
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Output Voltage12 Volt
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Rated Current3.34 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 MetBSI,CB,CCC,CE,EAC,FCC,KC,RCM,TUV,UL
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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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Length4.92 in
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Width1.97 in
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Height1.24 in
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Weight0.62 lb
::specification::
Frequently Asked Questions
Can I use the GST40A12-P1J for a 12V industrial control panel or small automation device?
It can fit 12V control or automation equipment that requires constant voltage and stays within 40W total load. This model provides 12V output at up to 3.34A and accepts 90-264VAC input, which suits many standard AC-powered industrial environments.
Is this power supply suitable for embedded electronics or test benches that need regulated 12V DC?
Yes, if the equipment is designed for a constant 12V source and draws no more than 3.34A or 40W. The constant voltage output is intended for loads that need a fixed 12V supply rather than a variable output.
Can I use this 12V 40W adapter for low-power HMI or monitoring hardware?
It is appropriate for 12V HMI, monitoring, or interface hardware when the combined demand stays within 40W. With 12V output and 3.34A maximum current, it is better matched to low-to-moderate power devices than larger 12V systems.
Will this work for a compact 12V communications or embedded controller load?
It can, provided the controller or communications device requires constant 12V DC and does not exceed 3.34A. The 90-264VAC input range also makes it easier to use in locations with different standard AC supply ranges.
Is the GST40A12-P1J suitable for outdoor or harsh-environment use?
The published specs define an operating temperature range of -30°C to +70°C, but no IP rating is listed. That means temperature capability is stated, while dust or water protection is not, so it is better suited to protected indoor locations or enclosed systems unless external protection is provided.
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Other GST40 Models
2 other models| Model | Power | Voltage | Current | IP Rating | Price | |
|---|---|---|---|---|---|---|
| Mean Well GST40A09-P1J Power Supply 40W 9V | 40W | 9V | 4.45A | Indoor | $18.01 | View |
| Mean Well GST40A48-P1J Power Supply 40W 48V | 40W | 48V | 0.84A | Indoor | $18.01 | View |
