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February 20, 2023

18 Volt DC, 3000mA and 2500 mA SMPS 400Hz input power supply
18 volt, 54 watt low voltage switching power supply, 3 amps maximum 400Hz regulated 18V volt power supply, 3000 mA. Barrel connector 5.5 x 2.1, adapters also available to other sizes.
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
This is a 400Hz power supply with 18V stable output, 54 watts continuous. It has a removable two-prong AC cord and universal AC input
Quantity 1-9 10-99 100-199 200+
Price PST-AC1830 includes US 2 pin power cord
18 volt, 54 watt low voltage switching power supply, 3 amps maximum		 $19.95
add_to_cart.gif 		$18.25 $16.50 $12.00
PST-WX12 - Optional output adapter barrel plug kit
plugset 		$7.00
add_to_cart.gif 		     
SDY-C53F (ZHJX002)
adapters with a barrel connector input and screw terminal output
To adapt the barrel connector to screw terminals		 $2.50 each
add_to_cart.gif		      
Polarity reversing adapter for center-negative products
5.5x2.1mm barrel connector polarity switcher		 $3.50
add_to_cart.gif 		     

Desktop power supply 2 x 1.2 x 4.3 inches with input socket for using international cords.

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.

GENERAL SPECIFICATIONS PST-AC1830
Safety Compliance: UL, cUL, FCC, CE, GS, TUV, double insulated, indoor use
Size 35 mm x 45 mm x 102 mm, (1.4 x 1.7 x 4 inches)
Weight: 200 grams, 7 ounces
Cooling: Free air convection
Construction: Impact resistant thermo-plastic enclosure case
INPUT SPECIFICATION  
Input Voltage: Input Voltage: rating 100-240VAC
Input Connector: IEC C7, two prong input socket allows cords for any country to be used, the North American cord is included.
Input Frequency: 47-63Hz, 400Hz
OUTPUT SPECIFICATION
Output Voltage: 18.0 Volts
Output Current: 3.0 Amps, 3000 mA
Output Wattage: 54 Watts typical
Output Cord 6 foot, 2 conductor 20 AWG wire, FT1 zip cord type AWM 18AWG SPT-1 FT2 VW-1 105°C
Output Connector: 5.5 mm OD x 2.1 mm ID (see adapters below)
Output Polarity Center Positive


A 5.5 x 2.1 mm barrel connector is supplied      
Twelve optional DC Plugs slip over the 5.5 x 2.1 mm connector if desired.
plugset
  • 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

OEM Battery Chargers 400Hz Universal input switchmode power supply brick with fixed 18 volt output voltage.


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