Over 15 years experience of providing support of MEAN WELL Power Supplies
The GSM40A12 is a 40W Mean Well power converter (input range: 80~264VAC).
Key Features
- ✓ Input voltage range: 80~264VAC
- ✓ 4KVAC reinforced I/O isolation
- ✓ Cooling by free air convection
- ✓ Protections: Short circuit / Overload / Over voltage
- ✓ Safety approvals: ISOLATION LEVEL
- ✓ 3 years warranty
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BrandMean Well
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SeriesGSM 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 Voltage80V~264V
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No of Output1
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Dimming ControlNone
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Standards MetCB,CE,EAC,FCC,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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Weight0.64 lb
::specification::
Frequently Asked Questions
What output does the Mean Well GSM40A12-P1J provide?
The GSM40A12-P1J is a 40W desktop power supply with a regulated 12V DC output. It is rated for up to 3.34A output current. This makes it suitable for equipment that requires a 12V supply within that power range.
Is the GSM40A12-P1J approved for medical applications?
Yes. This model is medical safety approved and specified as providing 2 x MOPP isolation between primary and secondary. It also lists compliance with medical safety standards including ANSI/AAMI ES60601-1 and EN60601-1-11.
What AC input range does this power supply support?
The GSM40A12-P1J has a universal input range of 80 to 264VAC, and it also supports 113 to 370VDC input. That wide range helps it fit international mains environments. It uses a 2-pole IEC320-C8 AC inlet.
What DC plug type comes standard on the GSM40A12-P1J?
The standard output plug for this model is the P1J barrel type. It is specified as 2.1 mm inner diameter by 5.5 mm outer diameter by 11 mm length, center positive, tuning fork type. Buyers should match that plug format to their device requirements.
What protection features are included in this model?
This power supply includes short circuit, overload, over voltage, and over temperature protection. The overload protection is specified at 105% to 160% of rated output and uses hiccup mode with auto-recovery. These built-in protections help support safer operation in demanding equipment environments.
What operating environment is the GSM40A12-P1J designed for?
The specified working temperature range is -30°C to +60°C, with reference to the output derating curve. The unit is fully enclosed in a plastic case and includes a power-on LED indicator. It is also designed for low no-load power consumption of less than 0.1W.
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Other GSM40 Models
9 other models| Model | Power | Voltage | Current | IP Rating | Price | |
|---|---|---|---|---|---|---|
| Mean Well GSM40A18-P1J Power Supply 40W 18V | 40W | 18V | 2.22A | Indoor | $23.13 | View |
| Mean Well GSM40B48-P1J Power Supply 40W 48V | 40W | 48V | 0.84A | Indoor | $23.13 | View |
| Mean Well GSM40B24-P1J Power Supply 40W 24V | 40W | 24V | 1.67A | Indoor | $23.13 | View |
| Mean Well GSM40B18-P1J Power Supply 40W 18V | 40W | 18V | 2.22A | Indoor | $23.13 | View |
| Mean Well GSM40B15-P1J Power Supply 40W 15V | 40W | 15V | 2.67A | Indoor | $23.13 | View |
| Mean Well GSM40B12-P1J Power Supply 40W 12V | 40W | 12V | 3.34A | Indoor | $23.13 | View |
| Mean Well GSM40B09-P1J Power Supply 40W 9V | 40W | 9V | 4.45A | Indoor | $23.13 | View |
| Mean Well GSM40B07-P1J Power Supply 40W 7.5V | 40W | 7.5V | 5.34A | Indoor | $23.13 | View |
| Mean Well GSM40B05-P1J Power Supply 25W 5V | 25W | 5V | 5A | Indoor | $21.92 | View |




