STABILIZED POWER SUPPLY, 28VDC 400A CONTINUOUS

MAIN FEATURES
This unit has been specifically designed to supply, in naval use on flight deck, aircraft electric and electronic systems; moreover it's suitable to perform functional checking and controls on instrumentations and for the turbine engine starting procedures.

TECHNICAL CHARACTERISTICS
Electric supply:  
•   230/400 50/60Hz threephases+GND 63A             
•   440 50/60Hz threephases+GND 63A             
Output:              
•   28 Vdc, 400A continuous
Max overload:    
•   2000 A
Stabilization: 
•   +/- 1 V from 0 to full load
Recovery time: 
•   0.1 sec.
Ripple:
•   <2%  
Protection degree: 
•   IP54 (naval use on flight deck)
Auxiliary Output:
•   28Vdc
•   230Vac 50/60Hz

PROTECTIONS AND SAFETY DEVICES
Every GPU is standard equipped with the following protection / safety overvoltage devices:
The above mentioned devices are on digital cards, fully programmable.
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 0,1 V
Digital Ammeter, resolution 1A
Hour Counter.

COMMAND/SIGNALING
Main switch;
Output power switch;
Start push button;
Stop push button;
Stabilization ON/OFF selector;
Output voltage readout: cart/plug selector;
Voltage regulator selector;
Phase detection lamps (3)(correct phases).

ACCESSORIES:
Standard: 28Vdc output power cable (length 8 m) with plug according to Stanag 3302, input power supply cable length 25 m, with plug 3P+GND 63A according to CEE17 (CEI23-12).
Wood crate for transport; O&M manual, CoC, Test report, DC instrument calibration report.

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

REMARKS:
Suitable for AW139, AW149, AW169, AW189, NH90, EH101.

ADOPTED BY:
Fincantieri, Leonardo Company H.D., Leonardo Company A.D., Italian MoD, Italian Air Forces, Italian Police, CHC/HeliOne, Inaer, Luftransport, Netherland Police,Patria Helicopters.