Over 15 years experience of providing support of MEAN WELL Power Supplies
The GSM25B18 is a 25W Mean Well power converter (input range: 80~264VAC).
Key Features
- ✓ Input voltage range: 80~264VAC
- ✓ 4KVAC reinforced I/O isolation
- ✓ 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 Rating25 Watt
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Output Voltage18 Volt
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Rated Current1.38 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,TUV,UL
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Operation ModeConstant Voltage
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Operating Temperature-25°C~60°C
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Warranty3 Year
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Length3.11 in
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Width2.13 in
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Height1.3 in
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Weight0.52 lb
::specification::
Frequently Asked Questions
Can I use the GSM25B18-P1J for an 18V industrial controller or sensor hub?
Yes, this model is a constant-voltage 18V supply rated for 25W and 1.38A, which fits equipment designed for a fixed 18V DC input. It is better suited to compact controllers, sensor hubs, or embedded devices whose total load stays within that 25W output limit.
Is this 18V power supply suitable for embedded electronics or test equipment?
It can be a fit for embedded electronics or bench-style equipment that specifically requires 18V constant-voltage power and draws no more than 1.38A. The wide 80-264VAC input also makes it practical where mains input may vary across sites or regions.
Can I use this for low-power automation accessories that need 18V DC?
Yes, if the accessory is designed for 18V DC and its total demand remains within 25W. The constant-voltage output is intended for equipment that expects a stable 18V source rather than a constant-current driver.
How do I know if 25W is enough for my 18V device?
This supply delivers up to 25W at 18V, with a maximum output current of 1.38A. If your device requires more than 1.38A or more than 25W, you should choose a higher-capacity model.
Is the GSM25B18-P1J suitable for outdoor or harsh environments?
The listed operating temperature is -25°C to +60°C, so the temperature range covers many indoor industrial environments. However, no IP rating is provided in the product specs here, so outdoor or washdown suitability should not be assumed from this data alone.
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Other GSM25 Models
1 other model| Model | Power | Voltage | Current | IP Rating | Price | |
|---|---|---|---|---|---|---|
| Mean Well GSM25U15-P1J Power Supply 25W 15V | 25W | 15V | 1.66A | Indoor | $16.69 | View |



