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Power Supplies
 
50Hz - 400Hz Frequency Converting Power Supplies

Frequency Converter
Input: 120 / 240 vac @ 60 Hz
Output: 0 - 150 vac @ 8 amps or 0 - 300v @ 4 amps
50 Hz, 60 Hz & 400Hz, 1.2 kva

(PS) AA1000F
  • Description
  • Specifications
  • More Info

Takasago Ltd brand, Model AA1000F. Portable laboratory OUTPUT: 0-150 or 0-300 vac @ 1.2kva, 50 / 60 / 400hz. Variable regulated AC power supply with digital frequency meter and analog volt / amp metering. Working perfectly and in excellent condition this unit's AC power input is factory wired for 120vac 60hz but can be changed to 220 vac. It draws up to 3 kva!


• High accuracy output of 50 Hz, 60 Hz, 400 Hz
• Wide output voltage range
• 2.5 times peak current supply
• Low distortion of output wave form
• Full protective features incorporated applications
• For test of AC motors
• For tests and inspections of all equipment for vessels and aircraft
• For tests and inspections of electronic equipment for export and import
• For tests and inspections of all audio equipment (e.g. vtr, tape-recorders etc.)
• For operation tests of printers
• For tests and adjustments of domestic electric apparatus with motors (e.g. coolers, heaters, hair-dryers, etc.)
• For the use of control equipment and CPU equipment
• For tests and inspections of computer related equipment


This regulated AC power source is utilized in the engineering, manufacturing and testing of AC powered equipment of all types that require either 100-120 or 200-240 vac, 50 / 60 or 400 Hz power at up to 1000 watt loads (typically equipment for export to countries that use 50 / 60 or 400 Hz mains). The 50 / 60 or 400 Hz output voltage is continuously variable over two ranges: 0-150 vac up to 8 amps maximum, and 0-300 vac up to 4 amps maximum. The 50 / 60 or 400 Hz frequency selection is precisely crystal controlled, or can be switched into variable mode and adjusted plus or minus 10%.

The variable output voltage provides a convenient means of testing equipment performance when subjected to both low and high line conditions. Weighs 207 lbs. Manual included. These units are used, removed from previous service but in excellent condition.

$3,500

Elgar 400 Hz Power Supply
0 - 260 vac @ 45 - 5000 Hz

(PS) 351B-200/401SD-0
Elgar 400 Hz power supply. Single phase. Includes manuals for 351B main frame and 401SD plug in. 1.6 amp. Brand new, never used!! NSN: 6130-01-294-6382.

Input: 115 / 230v @ 60 Hz
Output: 0 - 260 vac @ 45 / 5000 Hz
Dimensions: 5-1/4" x 19" x 20" deep
Weight: 63 lbs

$1,895 each

Converter
10 kva / 400 Hz

   
(PS) ECU-128/A
  • Description
  • Specifications
  • More Info

Converter, 10 kva / 400 Hz. Units have been modified with standard NEMA AC connectors in & out. Originally a helicopter stationary supply. Tested and guaranteed functional. The thin module on the left does the power factor correction and has a number of inductors in parallel that 'OR' into a main DC bus of about 360 vdc.

The PFC module sends the DC to the base unit that has a large bank of filter caps. The larger module has a switching supply that takes the unregulated DC from the PFC module and generates a regulated 400 vdc. Finally the large module takes the 400 vdc and chops it up again into three phase 208 / 115 vac 400 Hz.


Transistor devices
:
Input: 208v, 3 phase, 60 Hz
Output: 208Y / 115 vac, 3 phase, 400 Hz
Dimensions: 20" x 15" x 18"H
Weight: 180 lbs



20 amp plugs and cables were added to provide easy connection points. These are common connectors but will handle only about 5 kva. When the full 10 kva is required it is recommended the twist lock plugs be changed from 20 amps to 30 amps.

$1,695 each

Behlman Eng. Corp.
Power Supply

(PS) 3-25-AD
  • Description
  • Specifications

Behlman Eng. Corp. power supply. 750va. Tested 100% functional under load. Has OSC-3-400-E 400 Hz frequency module installed.


Input: 115 vac, 60 Hz, single phase
Output: 0 - 130v (phase to ground) 0 - 230v (phase to phase), 150 - 2000 Hz, 3 phase
Dimensions: 19" rack width x 7"H x 21"D

 

Elgar Power Supply
3 Phase / 0 - 130v / 650 va per Phase

(PS) 2253M
Elgar power supply. 3 phase. Requires plug-in (not included). Rack mountable. If 9010TMA plug-in is used, this unit will output 45 - 1000 Hz, 0 - 130v, 650 va per phase. Units are new, unused. 350 lbs.

Input: 208v, 3 phase, 60 Hz
Output: 45 - 1000 Hz, 0 - 130v
Dimensions: 19" x 14" x 24"D

$3,000 each
 
$1,995 each

 

Elgar Power Supply
Single Phase - 0 - 32 / 0 - 130 / 0 - 260 vac @ 500 va

(PS) 501A
Elgar power supply. Series "400V" Variable Frequency Oscillator. Model 510A. Single phase. 6 foot grounded plug. Works good.

Input: 115 vac
Output: 0 - 32 / 0 - 130 / 0 - 260 vac
@ 500 va
Output Frequency: 45 Hz to 10,000 Hz
Dimensions: 19" x 7"H x 18"D
Weight: 107 lbs

 
 
$1,295 each
 

For More Information
E-mail: grinnell@surplussales.com

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