Over 15 years experience of providing support of MEAN WELL Power Supplies
The GST18B12 is a 18W Mean Well power converter.
Key Features
- ✓ Protections: Overload / Over voltage
- ✓ Safety approvals: AS/NZS 60950.1 ,PSE J60950-1
- ✓ 3 years warranty
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BrandMean Well
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SeriesGST Series
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Power Rating18 Watt
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Output Voltage12 Volt
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Rated Current1.5 Ampere
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Input Voltage85V~264V
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No of Output1
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Dimming ControlNone
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Standards MetBSMI,CB,CCC,CE,EAC,FCC,KC,PSE,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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Length3.11 in
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Width2.13 in
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Height1.3 in
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Weight0.42 lb
::specification::
Frequently Asked Questions
Can I use the GST18B12-P1J for a 12V PLC accessory or small automation controller?
Yes, if the equipment requires 12V constant voltage and draws no more than 1.5A or 18W. That output makes it suitable for compact automation electronics rather than larger 12V loads. The 85-264VAC input range also helps in sites with different AC supply standards.
Is this 12V power supply suitable for CCTV, access control, or monitoring electronics?
It can be used for 12V electronics in monitoring or control systems when the total load remains within 1.5A and 18W. The constant-voltage output is appropriate for devices that expect a regulated 12V rail. Buyers should verify the device does not require more than 18W.
Can the GST18B12-P1J power a small 12V HMI, modem, or industrial communications device?
Yes, it is a fit for small 12V communication or interface equipment that stays within 1.5A and 18W. This model is intended for fixed-voltage 12V loads, not for devices that need another DC level. Its compact 79.0 × 54.0 × 33.0 mm form factor works well where panel space is limited.
Would this model work for 12V embedded electronics in kiosks or automation cabinets?
It can, as long as the electronics are specified for 12V DC and the combined demand does not exceed 1.5A or 18W. The unit provides constant-voltage output, which is what most fixed-input embedded electronics expect. Its 0.191 kg weight also supports compact equipment designs.
Is the GST18B12-P1J appropriate for outdoor installations?
The operating temperature range is -30°C to +70°C, so the unit can tolerate a wide temperature span. But the provided specifications do not include an IP rating, so exposure to rain, washdown, or dust-heavy outdoor conditions should not be assumed acceptable. It is better suited to indoor use or a protected enclosure.
Payment & Security
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Other GST18 Models
2 other models| Model | Power | Voltage | Current | IP Rating | Price | |
|---|---|---|---|---|---|---|
| Mean Well GST18A05-P1J Power Supply 15W 5V | 15W | 5V | 3A | Indoor | $14.27 | View |
| Mean Well GST18U48-P1J Adaptor 18W 48V | 18W | 48V | 0.37A | Indoor | $12.50 | View |




