Over 15 years experience of providing support of MEAN WELL Power Supplies
Description
Description
Features
| Universal AC input / Full range |
| 2 pole AC inlet IEC320-C8 |
| Medical safety approved (2 x MOPP between primary to secondary) |
| Low leakage current <50uA |
| No load power consumption < 0.1W |
| High efficiency up to 91% |
| Class II power (with earth pin) |
| Protections: Short circuit / Overload / Over voltage / Over temperature |
| Fully enclosed plastic case |
| LED indicator for power on |
| Optional lock type DC plug |
| 100% full load burn-in test |
| 3 years warranty |
General Specification
| AC input voltage range | 80~264VAC ; 113~370VDC |
| AC inrush current (max.) | Cold start, 65A at 230VAC |
| Overload protection | 105%~160% rated output voltage, hiccup mode, auto-recovery |
| Withstand voltage | I/P-O/P: 4kVAC , O/P-FG:SHORT |
| Working temperature | -30~+60°C (refer to output derating curve ) |
| Safety standards | ANSI/AAMI ES60601-1/ ES60601-1-11 , TUV EN60601/60601-1-11 approved |
| EMC standards | EN55011(CISPR11) class B, EN61000-3-2,3, FCC part 15 class B, EN61000-4-2,3,4,5,6,8,11,EN55024, EN61204-3,EN60601-1-2 |
| Length of output cable | 100cm of UL2464, 16AWG for 5~7.5V ; 100cm of UL1185, 16AWG for 9~12V; 150cm of UL1185, 16AWG for 15~48V |
| Dimension (LxWxH) | 125x 50x 31.5 mm |
| Standard DC plug | P1J: 2.1øx5.5øx11mm / C+, tuning fork type |
Specifications
Specifications
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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
File Downloads
File Downloads
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Payment & Security
Payment methods
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Frequently Asked Questions
Can I use the GSM40B12-P1J for 12V PLC accessories or control modules?
Yes, if the device is designed for constant 12V DC input. This supply provides up to 3.34A with a 40W maximum output.
Is this 12V model suitable for industrial sensors, relays, or small automation loads?
It is a constant-voltage 12V power supply, so it fits 12V automation devices that need a regulated DC source. Total demand must stay within 3.34A and 40W.
Will this work for embedded systems or compact 12V control electronics?
It can support embedded or control hardware that specifically requires constant 12V DC input. Output capacity is limited to 40W total and 3.34A maximum current.
Can this power supply run a 12V HMI accessory or industrial monitoring device?
Yes, for 12V devices that use constant-voltage input. The connected equipment must stay at or below 3.34A and 40W.
Is the GSM40B12-P1J appropriate for outdoor or exposed locations?
The operating temperature rating is -30°C to +70°C. No IP rating is listed in the provided specs, so outdoor exposure resistance is not established here.
Other GSM40 Models
8 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 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 |




