PN: 602-6B
NSN: 6130-15-181-0519

Static stabilized power supply, 28vdc 400a continuous, stabilized.  Supply SC power to medium and heavy aircraft during maintenance operations and turbine engine starting

Main Features

The P/N 602-6B power supply unit has been developed to supply electric power at 28Vdc stabilized to aircraft allowing electronic and electric circuit as well as instrument test and check. The power supply allows the turbo engine start.

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%.
• Auxiliary Output: 28Vdc 230Vac 50Hz

Protections & 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 0,1 V
• Digital Ammeter, resolution 1A
• Hour Counter

Controls/Visual Indication

• 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 15 m with plug 3P+GND 63A according to CEE17 (CEI23-12).

Wood crate for transport, O&M manual, CoC, Test report, DC instrument calibration reports.

Colour

Yellow RAL 1007 standard, other colours on request