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Application & Engineering Data
Rating definitions - Standby: Applicable for supplying emergency power for the duration of the utility power outage. No overload capability is available for this rating. (All ratings in accordance with BS5514,
ISO3046 and DIN6271). (All ratings in accordance with BS5514, ISO3046, ISO8528, SAE J1349 and DIN6271).
QT048
GENERATOR SPECIFICATIONS
TYPE Synchronous
ROTOR INSULATION Class F
STATOR INSULATION Class H
TELEPHONE INTERFERENCE FACTOR (TIF) <50
ALTERNATOR OUTPUT LEADS 1-PHASE
ALTERNATOR OUTPUT LEADS 3-PHASE
4 wire
6 wire
BEARINGS Sealed Ball
COUPLING Flexible Disc
LOAD CAPACITY (STANDBY RATING) 48 kW
EXCITATION SYSTEM Direct
VOLTAGE REGULATION
TYPE Electronic
SENSING Single Phase
REGULATION ± 1%
GENERATOR FEATURES
Revolving field heavy duty generator
Directly connected to the engine
Operating temperature rise 120 °C above at 40 °C ambient
Insulation is Class F rated at 145 °C rise at 25 °C ambient
All models are fully prototyped tested
ENCLOSURE FEATURES
Aluminum weather
protective enclosure
Ensures protection against mother nature.
Electrostatically applied textured epoxy paint for
added durability.
Enclosed critical grade
muffler
Quiet, critical grade muffler is mounted inside
the unit to prevent injuries.
Small, compact,
attractive
Makes for an easy, eye appealing installation.
SAE Sound attenuated enclosure ensures quiet
operation.
ENGINE SPECIFICATIONS
MAKE Generac
MODEL V8
CYLINDERS 8
DISPLACEMENT 5.4 Liter
BORE 3.55
STROKE 4.17
COMPRESSION RATIO 9:1
INTAKE AIR SYSTEM Naturally Aspirated
LIFTER TYPE Roller, Hydraulic
GOVERNOR SPECIFICATIONS
TYPE Electronic
FREQUENCY REGULATION Isochronous
STEADY STATE REGULATION ± 0.25%
ENGINE LUBRICATION SYSTEM
OIL PUMP Gear
OIL FILTER Full flow spin-on cartridge
CRANKCASE CAPACITY 6.5 Quarts
ENGINE COOLING SYSTEM
TYPE Pressurized Closed
FAN SPEED 1954
FAN DIAMETER 22 inches
FAN MODE Puller
FUEL SYSTEM
FUEL TYPE Natural gas, propane vapor
CARBURETOR Down Draft
SECONDARY FUEL REGULATOR Standard
FUEL SHUT OFF SOLENOID Standard
OPERATING FUEL PRESSURE 5” - 14” H
2
O
ELECTRICAL SYSTEM
BATTERY CHARGE ALTERNATOR 12V 30 Amp
STATIC BATTERY CHARGER 2 Amp
RECOMMENDED BATTERY Group 24F, 525CCA
SYSTEM VOLTAGE 12 Volts