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SPECIFICATIONS
GENERATOR
Type......................................................................Synchronous
Rotor Insulation .............................................................Class H
Stator Insulation ............................................................Class H
Telephone Interference Factor (TIF) .................................. < 50
Alternator Output Leads 3-phase .....................................4-wire
Bearings ..................................................................Sealed Ball
Coupling ................................................................Flexible Disc
Load Capacity (Standby Rating) .....................................60kW*
* NOTE: Generator rating and performance in accordance with ISO8528-5, BS5514, SAE
J1349, ISO3046 and DIN 6271 Standards. KW rating is based on LPG fuel and may derate
with natural gas.
Excitation System ............................................................Direct
Generator Output Voltage/kW - 60 Hz kW Amp CB Size
120/240V, 1-phase, 1.0 pf 60 250 300
120/208V, 3-phase, 0.8 pf 60 208 250
120/240V, 3-phase, 0.8 pf 60 180 200
277/480V, 3-phase, 0.8 pf 60 90 100
Generator Locked Rotor KVA Available @ Voltage Dip of 35%
Single-phase or 208, 3-phase (60kW) ...................... 120 KVA
480V, 3-phase (60kW) .............................................. 141 KVA
ENGINE
Make ........................................................................... Generac
Model .............................................................................In Line
Cylinders and Arrangement .....................................................4
Displacement ............................................................... 2.4 Liter
Bore..............................................................................3.41 in.
Stroke ...........................................................................3.94 in.
Compression Ratio....................................................... 9.5-to-1
Air Intake System ........................... Turbo Charged/After Cooled
Valve Seats ................................................................ Hardened
Lifter Type .................................................................. Hydraulic
Spark Plug Gap ........................................0.17mm (0.028 inch)
Engine Parameters
Rated Synchronous RPM .......................................60 Hz, 3600
Exhaust System
Exhaust Flow at Rated Output 60 Hz (60kW) ................494 cfm
Exhaust Temp. at Rated Output (60kW) .........................1050° F
Combustion Air Requirements (Natural Gas)
Flow at rated power, 60 Hz (60kW) ..............................180 cfm
Governor
Type...........................................................................Electronic
Frequency Regulation .............................................Isochronous
Steady State Regulation ..............................................± 0.25%
Engine Lubrication System
Type of Oil Pump ...............................................................Gear
Oil Filter ......................................... Full Flow Spin-on, Cartridge
Crankcase Oil Capacity ....5.25 U.S. qts. (including filter capacity)
COOLING SYSTEM
Type............................................. Pressurized Closed Recovery
Water Pump ............................................................. Belt Driven
Fan Speed ..................................................................2050 rpm
Fan Diameter ..............................................................22 inches
Fan Mode ......................................................................... Puller
Air Flow (inlet air including alternator and
combustion air) .................................................3280 ft
3
/min.
Coolant Capacity ................................................. (2.5 U.S. gal.)
Heat Rejection to Coolant (60kW) .......................270,000 Btu/h
Maximum Operating Air Temp. on Radiator ......... 60° C (150° F)
Maximum Ambient Temperature ......................... 50° C (140° F)
FUEL SYSTEM
Type of Fuel ....................................Natural Gas, Propane Vapor
Carburetor............................................................... Down Draft
Secondary Fuel Regulator............................................ Standard
Fuel Shut-off Solenoid ................................................. Standard
Operating Fuel Pressure .................5 in. - 14 in. Water Column
Fuel Consumption - ft
3
/hr (Natural Gas/LPV)
Exercise 25% 50% 75% 100%
Cycle Load Load Load Load
60kW 123/49.3 267/101 483/183 672/255 862/327
ELECTRICAL SYSTEM
Battery Charge Alternator ......................................12V, 30 Amp
Static Battery Charger ..................................................2.5 Amp
Recommended Battery .................................Group 26, 525CCA
System Voltage ............................................................ 12 Volts
Voltage Regulator
Type...........................................................................Electronic
Sensing ................................................................Single-phase
Regulation ........................................................................± 1%
Features ......................................... Adjustable Voltage and Gain
Power Adjustment for Ambient Conditions
Temperature Deration
3% for every 10° C above °C (60kW) ..................................25
1.65% for every 10° above °F (60kW) .................................77
Altitude Deration
1% for every 100 m above m (60kW) ...............................915
3% for every 1000 ft. above ft. (60kW) ...........................3000
Controller ................................................................. Nexus
6-1
GenSpec088 Rev. A 05/10
Specifications