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).
QT025

GENERATOR SPECIFICATIONS

TYPE Synchronous
ROTOR INSULATION Class H
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) 25 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 a 40°C ambient
Insulation is Class H rated at 150°C rise
All models are fully prototyped tested

ENCLOSURE FEATURES

Galvanized steel 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 In line
CYLINDERS 4
DISPLACEMENT 1.5 Liter
BORE (mm) 77.4
STROKE (mm) 79.52
COMPRESSION RATIO 11:1
INTAKE AIR SYSTEM Naturally Aspirated
VALVE SEATS Replaceable
LIFTER TYPE 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 4 Quarts

ENGINE COOLING SYSTEM

TYPE Closed
WATER PUMP Belt driven
FAN SPEED 2484
FAN DIAMETER 17.7 inches
FAN MODE Pusher

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” H2O

ELECTRICAL SYSTEM

BATTERY CHARGE ALTERNATOR 12V 30 Amp
STATIC BATTERY CHARGER 2 Amp
RECOMMENDED BATTERY Group 26, 525CCA
SYSTEM VOLTAGE 12 Volts