STATIC POWER SUPPLY, 28 VDC 250 A CONTINUOUS, NOT STABILIZED

DESCRIPTION:
This unit has been designed to supply, during ground procedures, aircraft electric and electronic systems; moreover it's suitable to perform functional checking and controls on instrumentations and for the engine starting procedures.

MAIN FEATURES:
Electric supply: 
•   230-400V 50Hz, threephases+GND 32A            
•   440-480V 50/ 60Hz, threephases+GND 32A               
Output:             
•   28 VDC, 250 A
Max overload:   
•   1000 A for 2 sec.
Recovery time:
•   0.1 sec.
Ripple:
•   < 1 Vpp. 

PROTECTIONS AND SAFETY DEVICES:
The power supply is protected against overvoltage and this function is implemented on a fully programmable digital card.
The methods and application are compliant with STANAG 3457, Ground Electrical Power Supply For Aircraft. and MIL-STD-704F, Aircraft Electrical Power Characteristics

INSTRUMENTATION:
Digital Voltmeter, resolution 0,1V
Digital Ammeter, resolution 1A

CONTROLS/VISUAL INDICATION:
Main switch
Output power switch
Voltage regulator selector.
Acoustic (buzzer) overvoltage alarm
Overvoltage alarm reset luminous pushbutton.
Phase detection lamps (3)(correct phases).

ACCESSORIES:
Standard: 28Vdc output power cable (length 8 m) with plug according to Stanag 3302, power supply cable (length 15 m) with plug 3P+GND 32A according to CEE17 (CEI23-12)
Test stand textile cover, wood crate for transport, O&M manual, CoC, Test report, DC instrument calibration reports. 

COLOUR: 
Yellow RAL 1007 standard, other colours on request.

REMARKS: 
Suitable for AW109, AW139,AW169, AW189, BK117, AB212/412.

ADOPTED BY: 
Leonardo Company H.D., Elidolomiti, Helicopters Italia, Italian National Fire Corps, State Forestry Corp, Italian Coast Guard, Hellenic Air, Force, Hawker Pacific, Babcock MCS, Irish Air Corps, Luftransport, Patria Helicopters.