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February 20, 2023

12 volt 5.0 Amp Regulated 400Hz Power Supply

12 volt 5 amp power supply

This quality 400Hz 12 volt AC/DC switching power supply adapter is useful for applications needing regulated 12 volts at 5.0 amps or less.

400Hz tutorial
400Hz Tutorial
5 volt 500 mA switching power supply with 5.5 x 2.1 mm barrel connector  
Click here for more 400Hz power supplies
High quality 12 volt power supply with removable IEC AC connector, comes with the USA 3-prong AC cord. This power supply can be used in any country because of its wide input voltage range. Stocked in the USA.
12 Volt AC/DC Power Supply Adapters INCLUDES 3 PIN CORD
Quantity 1-10 11-100 101-499 500+
12 volt 5 amp power supply
$26.60 $19.85 15.28
Optional 12 piece Output adapter barrel plug kit
Call Call Call
Polarity reversing adapter for center-negative products
5.5x2.1mm barrel connector polarity switcher
SDY-C53F (ZHJX002)
adapters with a barrel connector input and screw terminal output
To adapt the barrel connector to screw terminals
$2.50 each

Note on 400Hz operation: we have tested this power supply and found that the efficiency does not decrease at 400Hz operation, the power factor and crest factor of the incoming AC change only slightly, and the temperature rise at full power is the same as 60Hz operation.

Full specifications

Model Number PST-AC1250
Nominal Voltage Range 100VAC-240VAC 50/60Hz, 400Hz
Full Voltage Range 90-264 VAC 47/63 Hz, 400Hz
Peak Output Power 60 Watts, 72 watts surge
Output Current 5000mA (5.0A) continuous, 6000mA (6.0) surge
Load Regulation ±3% over rated current: 0 - 5000 mA
Line Regulation 5% over range 100VAC-240VAC
Output Voltage Nominal 12VDC
Rise time 5mS with 5A load
Efficiency >88% from 25% to 100% load
Quiescent power <0.21 Watts
Output plug 5.5 x 2.1 mm barrel connector, center positive, see below for others
Input Connector Removable three prong IEC C14 socket takes an IEC C13 plug and makes it easy to use international mains cords, the North American cord is included.
Isolation and grounding Primary to secondary 1.5KVAC 5ma 3 seconds.
The negative output is tied to the earth ground of the input power socket
Protecion Short circuit, auto recovery, overcurrent for amperages between 5.5A and 9A auto recovery
Vibration IEC 721-3-3 -M3 5-9Hz, 3.5mm amplitude, 9-200Hz 5m/sec2, 200-500Hz 15m/sec2, 10 cycles per axis
Temperature range Tested at 0°C to 40°C full load
Storage Temperature -40°C to 85°C
Dimensions 62 mm x 36 mm x 114 mm (2.4 inch x 1.4 inch x 4.5 inch)
Agency approvals CE EN62368, FCC, ROHS, CCC GB4943, PSE J62368(2020), ETL ETL62368-1, SAA AS/NZS 62368, EK/KC K62368
  Indoor use only
Weight 290 grams, 9.5 oz. without the AC wire cord

A 5.5 x 2.1 mm barrel connector is supplied      
Optional DC Plugs slip over the 5.5 x 2.1 mm connector if desired.
  • 2.35 OD x 0.7 ID Barrel
  • 3.0 OD x 1.1 ID Barrel
  • 3.5 OD x 1.35 ID Barrel
  • 4.0 OD x 1.7 ID Barrel
  • 4.75 mm OD x 1.75 mm ID Barrel EIAJ-03
  • 5.0 mm OD x 3.5 mm ID with center pin
  • 5.5 mm OD x 1.5 mm ID type 2 Barrel
  • 5.5 mm OD x 2.5 mm ID Barrel
  • 6.3 OD x 3.0 ID center pin Barrel
  • 6.0 OD x 4.4 ID center pin Barrel
  • 7.4 mm OD x 5.0 center pin ID Barrel
  • 7.9 OD x 5.6 ID center pin Barrel
dimensions of PST-AC1250 12V 5A power supply

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