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Specification Summary
Rating 375 ekW (470 kVA) Standby
Rating 375 ekW (470 kVA) Standby
Frequency 50/60 Hz
Voltage 208 - 600 V

Generator

Rating
375 ekW (470 kVA) Standby
Rating
375 ekW (470 kVA) Standby
Frequency
50/60 Hz
Voltage
208 - 600 V
Frame Size
SR4B – 450
Pitch
0.750
Prime Rating
340 kW
No. of poles
4
Number of bearings
Single bearing, close coupled
Insulation
Class H
Temperature rise
105 C
Enclosure
Drip proof IP23
Overspeed capability – % of rated
125% of rated
Voltage regulator
3 phase sensing with Volts-per-Hertz
Voltage regulation
Less than ± 1⁄2% voltage gain Adjustable to compensate for engine speed droop and line loss
Wave form deviation
3%
Telephone Influence Factor (TIF)
Less than 50
Harmonic Distortion (THD)
Less than 5%

Engine

Bore
5.10 in
Stroke
6.20 in
Displacement
763 in3
Compression ratio
17.0:1
Engine RPM
1500-1800
Aspiration
TA
Fuel
Requires ULSD
Aftercooler type
ATAAC
Fuel
Requires ULSD
Turbocharger
Single
Fuel system
MEUIC
Governor type
ADEM™ A4
Cat® Diesel Engines
C13 ATAAC, I-6 4-stroke water cooled diesel

Dimensions

Width - Without Trailer
60 in
Width - With Trailer
102 in
Height - Without Trailer
104 in
Height - With Trailer
126.1 in
Length - Without Trailer
208.7 in
Length - With Trailer
283.7 in
Weight - Without Trailer, With Lube Oil and Coolant
14700 lb
Weight - With Trailer, Lube, Oil and Coolant
17930 lb
  • Air Inlet
    • Air cleaner, two stage cyclonic/paper with dust cup and service indicator
  • Charging System
    • UL/CSA listed 120 V, 20 Amp battery charger, shock mounted and enclosed in dust proof housing
  • Control Panel
    • EMCP 4.2 genset mounted controller
  • Cooling System
    • Package mounted radiator with vertical air discharge provides 43° C ambient capability at prime +10% rating
  • Distribution System
    • NEMA 1 steel enclosure, separate hinged, lockable door with rust resistant pinned hinges
  • Enclosure
    • Sound attenuating, 12 gauge sheet metal enclosure limits overall noise to 77 dB(A) @ 7m (23')
  • Engine
    • EPA Tier 4 Final certified Cat C13 ATAAC heavy duty diesel engine
  • Clean Emissions Module
    • Cat Clean Emissions Module comes with integrated DOC, DPF & SCR and is located in separate compartment
  • DEF System
    • 12 gal plastic DEF tank provides 24 Hrs run time @ 75 % Prime + 10% rating similar to fuel system. DEF tank is equipped with integrated pump, level sensor to display the DEF level in EMCP panel and electrically heated lines from DEF tank to CEM. Equipped with Low and critically low level alarms with a critically low shutdown
  • Fuel System
    • 520 gal (1970 L) double wall fuel tank, UL142, ULC, and Transport Canada certified, 27 hr runtime @ 75% prime +10% rating, internal fuel fill
  • Generator
    • SR4B 450 frame, three-phase, random wound, 12-lead design, permanent magnet excited, 0.750 pitch
  • Lube System
    • Pump, integral oil cooler, lube oil, filter, filler and dipstick, and oil sampling valve
  • Mounting System
    • Generator set soft mounted to the heavy duty, fabricated steel base frame
  • Starting System
    • Single electric starting motor, 24V
  • General
    • Canadian Standards Authority (CSA) certified
  • CAT EMCP 4.4 CONTROL PANEL
    • Simple user friendly interface and navigation
    • Automatic set-point adjustment integrated with voltage and frequency selection
    • UL508A recognized
    • Convenient service access for Cat Service tools (not included)
    • Integration with the Cat DVR provides enhanced system monitoring
    • Ability to view and reset diagnostics of all controls networked on primary CAN datalink eliminates need for separate service tools for troubleshooting
    • True RMS AC metering, 3 phase
    • Multiple stored setpoint group selection via switched input eliminates need to reprogram control when switching voltages and frequencies
  • EMCP 4.4 ENGINE OPERATOR INTERFACE
    • Controls
    • Digital indication for
    • Shutdowns with common indicating light for
    • Emergency stop pushbutton
    • Panel illuminating lights
    • Display navigation keys including two shortcut keys for Engine Parameters, Generator Parameters, Control and main menu
    • Fuel level monitoring and control
  • EMCP 4.4 GENERATOR PROTECTIVE RELAYING
    • Generator protective features provided by EMCP 4.4
  • MODES OF OPERATION
    • Provides for
    • Single Unit Stand-Alone Mode
    • Multi-Unit Mode