Over 15 years experience of providing support of MEAN WELL Power Supplies
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Mean Well GST40A18-P1J Power Supply 40W 18V
The GST40A18 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 Voltage18 Volt
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Rated Current2.22 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 GST40A18-P1J for an 18V industrial control or embedded application?
Yes, if the load is designed for constant 18V DC and stays within 40W. This power supply provides 18V output at up to 2.22A and accepts 90-264VAC input for standard AC-powered environments.
Is this suitable for 18V test equipment or bench electronics that need a fixed DC output?
It can be used for bench or test devices that require regulated 18V constant voltage. The load needs to remain at or below 2.22A and within the 40W rating.
Will this work for compact 18V automation, monitoring, or interface hardware?
It is appropriate for compact 18V automation or monitoring hardware when the total demand does not exceed 40W. With 18V output and 2.22A maximum current, it is intended for lower-power 18V loads rather than heavy industrial devices.
Can this 18V model power an embedded controller or communications device that calls for 18V DC?
Yes, provided the equipment is specified for a constant 18V supply and draws no more than 2.22A. The wide 90-264VAC input range is useful where the upstream AC source may vary across common mains standards.
Is the GST40A18-P1J meant for outdoor installations?
The temperature range is specified as -30°C to +70°C, but no IP rating is listed in the published specs. That supports use where ambient temperature is a concern, but it does not state protection against water or dust exposure.
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Other GST40 Models
3 other models| Model | Power | Voltage | Current | IP Rating | Price | |
|---|---|---|---|---|---|---|
| Mean Well GST40A12-P1J Power Supply 40W 12V | 40W | 12V | 3.34A | Indoor | $17.79 | View |
| 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 |
