MSTronic Co. Ltd

Our factory in Taiwan produces 30,000 sets monthly

30,000 units monthly | MOQ: 10 sets | RoHS-compliant

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AC to DC Switching Power Supply with 13.8V/28A Output for Two-way Radios

AC to DC Switching Power Supply with 13.8V/28A Output for Two-way Radios

Model Number:MS-1228

Key Specifications/Special Features

  • Input voltage: 220V AC rms +/-20% or 110V AC rms +/-20%
  • Input frequency: 47 to 63Hz
  • Inrush current: under 20A peak at 120V AC, under 40A peak at 230V AC
  • Input current: 3.5A maximum at 230V AC, 5.6A maximum at 120V AC at 13.8V/25A output
  • Efficiency: 68% minimum at 25% load, 75% minimum at full load
  • EMI: EN55022 (CISPR22) Class B (meet), CE (meet)
  • Safety: UL60950, TUV EN60950 (meet)
  • EMS: EN61000-4-2, 3, 4, 5, 6, 8, 11
  • Output voltage: 13.8V (9 to 15V ADJ.)
  • Line regulation: 1% maximum at FL
  • Load regulation: 1% maximum at output 0 to 2.5A load
  • Current rating: 28A
  • Current continuous: 25A
  • Output noise and ripple: 100mVp-p maximum at DC-10MHz
  • Output over voltage protection: 17V (+/-1V)
  • Output short protection
  • Cooling: forced air cooling by built-in DC fan
  • Size (L x W x H): 9 x 7 x 2.5 inches
  • Environmental conditions:
    • Operating ambient temperature range: 0 to +45 degrees Celsius
    • Storage ambient temperature range: -20 to +60 degrees Celsius
    • Operating ambient relative humidity range: 0% to 95%, +40 degrees Celsius
  • Isolation voltage:
    • Input-output: 1,800V AC 10mA for one minute
    • Input-ground: 1,800V AC 10mA for one minute
  • Applications:
    • Radio communication instruments
    • Specialized mobile radio products
    • Replacement batteries (13.8V)
    • Radio emitter
    • Home radio
    • Engineering equipment

Product Details

Primary Competitive Advantages:

  • Country of Origin
  • Distributorships Offered
  • Small Orders Accepted

Main Export Markets:

Eastern Europe

North America

Mid East/Africa

Central/South America


Western Europe


Contact Details

Send your inquiry direct to this supplier

MSTronic Co. Ltd

Address: 2F, No. 12 Gongshang Road,, Wugu Dist.,, New Taipei, Taiwan (248)

Tel:  (886 2) 2293 0159  Ext : 12  (886 2) 8295 2251  Ext : 12

Fax:  (886 2) 2292 8851


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Verified Supplier: This supplier has been verified by Global Sources. Our verification process includes 3 or more on-site visits or calls; financial checks; and more...

Supplier and product information updated January 12, 2015.


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Contact Supplier:

Mr Lu, Arthur

Overseas Sales Manager

Mr Paton, Craig


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