INFORMATION
EN / WHISPER 12 Ultra - Three phase for mobile applications / December 2008 / Copyright © 2008 Mastervolt 15
2.5.14 Technical data
GENERAL
Model WHISPER 12 ULTRA, Three phase, mobile applications
RPM 1500
Alternator 3 phase synchronous (air cooled)
Engine Mitsubishi diesel, model S4L2 (Japan)
Number of cylinders 4
Displacement 1758 cm3
Bore X stroke 78x92 mm
Combustion air consumption 1.8 m³/min.
Continuous power engine 12 kW
Cooling system By means of a radiator.
Fuel lift pump engine Electric pump (12 V DC), additional pump available upon request
Starting battery (optional) 85 Ah 12V
Fuel consumption 2-5.5 litre/hour, load dependent
Control Digital Diesel Control including automatic start/stop
ELECTRICAL SPECIFICATIONS
Output voltage 230/400V 50 Hz alternating current (AC) three phase,
re-connectable to three phase 230V
Output rating 12 kVA = 12kW at power factor cos phi = 1
Voltage tolerance ± 2% (balanced load)
Frequency tolerance ± 1% (electronic governor)
Alternator Air cooled, brushless, four pole, 6 or 12 wire, synchronous
Voltage regulation: AVR
MECHANICAL SPECIFICATIONS
Supply includes Sound shield with steel base, mounted on rubber anti vibration mounts. (Generator
set without sound shield is optional)
Dimensions hxwxd 106 x 57.5 x 63.3 cm
Colour Metallic silver / grey
Weight 380 kg including sound shield
Max. installation angle 25 degrees
Standard supplies Digital remote panel (+15 m cable), fuel filter, fuel lift pump, user and installation
manuals
Available as option: Installation kits, non earth return (ungrounded), spare part kits
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