Mean Well 12V dc Power Supply, 1.25A

  • RS Stock No. 721-2121
  • Mfr. Part No. GS15B-3P1J
  • Manufacturer Mean Well
Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
COO (Country of Origin): CN
Product Details

Meanwell 12W to 25W ErP Single Output Switch Mode Desktop Power Supply - GS15B, GS18B, GS25B Series

Energy saving, class 2, switch mode, desk-top power supplies
High efficiency, long life and high reliability
ErP level V, step 2 compliant
No load power consumption <0.3W
Meet EISA 2007 (Energy Independence and Security Act)
Short circuit, over load and over voltage protection
2-pin IEC320, C8 input socket. For suitable input leads see stk nos. 452-669 (UK 3-pin plug) or 321-203 (Schuko plug) typically
Approximately 1.2m output lead fitted with a centre positive 2.1mm jack plug
EMC compliance to FCC part 15, EN55022 class B
Harmonic compliance to EN 61000-3-2,3


Conforms to Energy-related Product Directive 2009/125/EC.

Power derates above 40°C.


UL60950-1, CSA C22.2, TUV EN60950-1


UL/cUL recognised, TUV, CB

Attribute Value
Input Voltage Range 90 → 264 V ac, 135 → 370 V dc
Output Voltage Rating 12 V dc
Output Current Range 1.25A
Input Connector IEC320-C8
Output Connection Type 2.1 x 5.5 x 11 mm Centre Positive
Number of Outputs 1
Load Regulation Range ±3%
Overall Length 100mm
Minimum Temperature 0°C
Cable Length 1830mm
Operating Temperature Range 0 → +50 °C
Overall Depth 32.8mm
Efficiency 80%
Energy Efficiency Level V
Overall Dimensions 100 x 58.5 x 32.8mm
Maximum Temperature +50°C
Weight 190g
Overall Width 58.5mm
Standards Met ErP Compliant
9 In stock for delivery within 5 working day(s) (Global Stock)
Price (ex. GST) Each
$ 35.73
(exc. GST)
$ 39.30
(inc. GST)
Per unit
1 - 4
5 - 9
10 - 24
25 - 49
50 +
Related Products
Mean Well GST18B series of industrial 18 W ...
Mean Well GST18B series of industrial 18 W power supplies offer a highly reliable desktop styled solution to a wide variety of power management solutions The GST18B series comes equipped with a 2 pole IEC320-C8 AC inlet, allowing for an ...
Medically approved (EN 60601) external switch mode power ...
Medically approved (EN 60601) external switch mode power supplies High efficiency Fully regulated output Over voltage and short circuit protection Isolation 4kV input/outputEMC immunity to EN 50082-1, medical EN 60601-1-218m (approx.) output lead with polarity inverter2-pin or 3-pin IEC320 input ...
External switch mode power supplies High efficiency (>80% ...
External switch mode power supplies High efficiency (>80% typical)Medically approved types available (identified by a 'M' suffix within the manufacturers pt no)Fully regulated outputMTBF >550,000 hoursLED power good indicator Overload and overvoltage protection Harmonic current compliance to EN 61000-3-2EMI ...
The EES30A is a series of 30W external ...
The EES30A is a series of 30W external desktop power supplies come in a fully enclosed plastic case with an AC inlet C14 plug and 12m DC cable with 2.1mm connector. The power supply is protected against short circuit, overload ...