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Inc. PowerCommand, InPower and “Our energy working for you.” are trademarks of Cummins Power Generation. Other company, product or
service names may be trademarks or service marks of others. Specifications are subject to change without notice.
S-1591c (6/11)
Generator set specifications
Governor regulation class ISO 8528 Part 1 Class G3
Voltage regulation, no load to full load ± 1.0%
Random voltage variation ± 1.0%
Frequency regulation Isochronous
Random frequency variation ± 0.5% @ 60 Hz
Radio frequency emissions compliance Meets requirements of most industrial and commercial applications
Engine specifications
Design Naturally aspirated
Bore 101.6 mm (4.0 in)
Stroke 91.4 mm (3.6 in)
Displacement 3.0 litres (181 in
3
)
Cylinder block Cast iron, in-line 4 cylinder
Battery capacity 420 amps minimum at ambient temperature of 0 °C (32 °F)
Battery charging alternator 60 amps
Starting voltage 12 volt, negative ground
Lube oil filter type(s) Spin-on full flow
Standard cooling system 53 °C (127 °F) ambient cooling system
Alternator specifications
Design Brushless, 4 pole, drip proof, revolving field
Stator 2/3 pitch
Rotor Direct coupled, flexible disc
Insulation system Class H per NEMA MG1-1.65
Standard temperature rise
125 ºC (257 °F) at standby
Exciter type Torque match (shunt)
Phase rotation A (U), B (V), C (W)
Alternator cooling Direct drive centrifugal blower
AC waveform total harmonic distortion < 5% no load to full linear load, < 3% for any single harmonic
Telephone influence factor (TIF) < 40 per NEMA MG1-22.43
Telephone harmonic factor (THF) < 3
Available voltages
Reconnectable Non-Reconnectable
3-phase 1-phase 3-phase
• 120/208
• 240/416
• 120/240 delta
• 254/440
• 127/220
• 277/480
• 139/240 • 120/240
• 220/380 • 347/600
Note: Consult factory for other voltages.
Generator set options and accessories
Engine
¨ 120/240 V 1500 W coolant
heaters
¨ Heavy duty air cleaner
Fuel system
¨ Natural gas
¨ Propane vapor withdrawal
¨ Natural gas/propane vapor
with auto changeover
Alternator
¨ 12 lead, broad range (full single
phase output)
¨ Single phase (4 lead)
¨ 105 °C (221 °F) rise alternator
(prime)
¨ 125 °C (257 °F) rise alternator
(standby)
Generator set
¨ Battery
¨ Battery charger
¨ Coolant drain extension
¨ Oil drain extension
¨ Duct adapter
¨ Enclosure, aluminum weather
protective, with critical silencer
¨ Export box packaging
¨ Main line circuit breakers
¨ UL 2200 Listed
¨ 2 year prime power warranty
¨ 2 year standby warranty
¨ 5 year basic power warranty
¨ 5 year comprehensive warranty
¨ Flex fuel lines
Note: Some options may not be available on all models - consult factory for availability.
(64 pagine)
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