Specification sheet

Diesel
Generator set
QSX15 series
engine
364 kVA - 500 kVA 50 Hz
Data Center Continuous

Description
®
This Cummins commercial generator set is a Alternator - Low reactance 2/3 pitch windings;
fully integrated power generation system, low waveform distortion with non-linear loads,
providing optimum performance, reliability, and fault clearing short-circuits capability, and
versatility for stationary Standby and Prime class H insulation.
Power.
Cooling system – Standard integral set-
Features mounted radiator system, designed and tested
for rated ambient temperatures, simplifies
Data Center Continuous (DCC) - Applicable facility design requirements for rejected heat.
for supplying power continuously to a constant ®
Control system – The PowerCommand
or varying electrical load for unlimited hours in
electronic control is standard equipment and
a data center application.
provides total genset system integration,
Uptime Compliant - Meets the requirement of including auto remote start/stop, precise
a Tier III and IV data center site by being rated frequency and voltage regulation, alarm and
TM
to run for unlimited hours of operation when status message display, AmpSentry
loaded to 'N' demand for the engine generator protection and output metering.
set.
Enclosures - Optional weather-protective and
Cummins heavy-duty engine - Rugged 4- sound-attenuated enclosures.
cycle, industrial diesel delivers reliable power,
Warranty and service - Backed by a
low emissions and fast response to load
comprehensive warranty and worldwide
changes.
distributor network.
Optional Permanent Magnet Generator
(PMG) - Offers enhanced motor starting and
fault clearing short circuit capability.

50 Hz TA Luft/EU Stage Controller

Model kVA (kW) EPA Tier Std/Opt Data sheet
C400 D5e 364 (291) 4g/Former EU Stage II 2.0/3/3 DS346-CPGK-DC
C450 D5e 409 (327) 4g/Former EU Stage II 2.0/3/3 DS347-CPGK-DC
C500 D5e 455 (364) 4g/Former EU Stage II 2.0/3/3 DS348-CPGK-DC
C550 D5e 500 (400) 4g/Former EU Stage II 2.0/3/3 DS349-CPGK-DC

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©2017 Cummins Inc. | SS11-CPGK-DC50 (08/17)
 Generator set specifications
Governor regulation class ISO 8528 G3
Voltage regulation, no load to full load ± 1%
Random voltage variation ± 1%
Frequency regulation Isochronous
Random frequency variation ± 0.25%
Radio frequency emissions compliance BS EN61000-6-2:2005 / BS EN61000-6-3:2007

Engine specifications
Design 4 cycle, in-line, turbocharged, charge air-cooled
Bore 137 mm (5.39 in.)
Stroke 169 mm (6.65 in.)
Displacement 15 liter (912 in3)
Cylinder block Cast iron, 6 cylinder
Battery capacity 100 AH
Battery charging alternator 35 amps
Starting voltage 24 volts, negative ground
Fuel system Direct injection
Fuel filter Spin on fuel filters with water separator
Air cleaner type Dry replaceable element with restriction indicator
Lube oil filter type(s) Spin-on full flow filter
Standard cooling system 122 ºF (50 ºC) ambient radiator

Alternator specifications
Design Brushless, single bearing, revolving field
Stator 2/3 pitch
Rotor Single bearing, flexible disc
Insulation system Class H
Standard temperature rise Standby 125-163 ºC
Exciter type Self excited (PMG optional)
Phase rotation A (U), B (V), C (W)
Alternator cooling Direct drive centrifugal blower fan
AC waveform Total Harmonic Distortion (THDV) No load < 1.5%. Non distorting balanced linear load < 5%
Telephone Influence Factor (TIF) < 50 per NEMA MG1
Telephone Harmonic Factor (THF) < 2%

Available voltages
50 Hz Line – Neutral / Line - Line
 110/190  220/380
 115/200  230/400
 120/208  240/416
 127/220  255/440

Generator set options

Engine  Aux contacts and trip alarm  Control cabinet heater
 Heavy duty air filter  Shunt trip – 24 VDC Warranty
 Water jacket heater 240 V Fuel tank  2 years for Prime application
Enclosure  Low fuel level warning or shutdown  5 years for Standby application
 Sound attenuated canopy  High fuel level warning  10 years for major components
Alternator  Electric fuel transfer pump Silencer
 Alternator heater Control panel  9 dB attenuation critical silencer
 Exciter voltage regulator (PMG)  PowerCommand 3.3  25 db attenuation residential silencer
 High alternator temp shutdown  AC output bargraph Battery charger
Circuit breaker  Shutdown audible alarm  Set mounted
 3 or 4 pole main circuit breaker  Exhaust gas temp gauge  Standalone
 Motorized 3 or 4 pole circuit breaker  Earth fault shutdown  5 A or 10 A
*Note: some options may not be available on all models – consult factory for availability.

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©2017 Cummins Inc. | SS11-CPGK-DC50 (08/17)
PowerCommand 2.2 – control system
The PowerCommand  Fault history.
control system is an  Data logging and fault simulation (requires InPower).
integrated microprocessor
based generator set control Standard control functions
system providing voltage Digital governing
regulation, engine  Integrated digital electronic isochronous governor.
protection, alternator  Temperature dynamic governing.
protection, operator
Digital voltage regulation
interface and isochronous
governing. Refer to  Integrated digital electronic voltage regulator.
document S-1568 for more detailed information on the  3-phase, 4-wire Line-to-Line sensing.
control.  Configurable torque matching.
Major features AmpSentry AC protection
 AmpSentry – Includes integral AmpSentry protection,  AmpSentry protective relay.
which provides a full range of alternator protection  Over current and short circuit shutdown.
functions that are matched to the alternator provided.  Over current warning.
 Power management – Control function provides battery  Single and three phase fault regulation.
monitoring and testing features and smart starting  Over and under voltage shutdown.
control system.
 Over and under frequency shutdown.
 Advanced control methodology – Three phase sensing,
full wave rectified voltage regulation, with a PWM output  Overload warning with alarm contact.
for stable operation with all load types.  Reverse power and reverse var shutdown.
 Communications interface – Control comes standard  Field overload.
with PCCNet and Modbus interface. Engine protection
 Regulation compliant – Prototype tested: CE, UL, CSA  Battery voltage monitoring, protection and testing.
and compliant.  Overspeed shutdown.
 Service - InPower™ PC-based service tool available for  Low oil pressure warning and shutdown.
detailed diagnostics, setup, data logging and fault
simulation.  High/low coolant temperature warning or shutdown.
 Easily upgradeable – PowerCommand controls are  Low coolant level warning or shutdown.
designed with common control interfaces.  Fail to start (over crank) shutdown.
 Reliable design – The control system is designed for  Fail to crank shutdown.
reliable operation in harsh environment.  Cranking lockout.
 Multi-language support.  Sensor failure indication.
Operator panel features  Low fuel level warning or shutdown (optional).
 128 x 128 pixels graphic LED backlight LCD.  Fuel-in-rupture-basin warning or shutdown (optional).
 Auto, manual, start, stop, fault reset and lamp test/panel  Full authority electronic engine protection.
lamp switches. Control functions
 Alpha-numeric display with pushbuttons.  Time delay start and cool down.
 LED lamps indicating genset running, remote start, not  Real time clock for fault and event time stamping.
in auto, common shutdown, common warning, manual
 Exerciser clock and time of day start/stop.
run mode, auto mode and stop mode.
Alternator data  Data logging.
 Line-to-Neutral and Line-to-Line AC volts.  Cycle cranking.
 3-phase AC current.  Load shed.
 Frequency.  Configurable inputs and outputs (4).
 kW, kVAr, power factor kVA (three phase and total).  Remote emergency stop.
Engine data PowerCommand 3.3 – control system
 DC voltage. The PowerCommand 3.3
 Engine speed. has the following
 Lube oil pressure and temperature. additional features and
benefits over the
 Coolant temperature. PowerCommand 2.3.
 Comprehensive FAE data (where applicable). Refer to document
Other data S-1570 for more detailed
 Genset model data. information on the control.
 Start attempts, starts, running hours, kW hours. Operator panel features
 Load profile (operating hours at % load in 5%  320 x 240 pixels graphic LED backlight LCD.
increments).  In addition to the 2.2 functions, the operator panel displays
paralleling breaker status and provides for direct control of
the paralleling breaker.

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©2017 Cummins Inc. | SS11-CPGK-DC50 (08/17)
 PowerCommand 3.3 – control system (continued)
Paralleling control functions  Load govern control for utility paralleling.
 First start sensor system selects first genset to close to  Extended paralleling (baseload/peak shave) mode.
bus.  Digital power transfer control, for use with a breaker pair to
 Phase lock loop synchronizer with voltage matching. provide open transition, closed transition, ramping closed
 Sync check relay. transition, peaking and base load functions.
 Isochronous kW ad kVAr load sharing.

This outline drawing is to provide representative configuration details for Model series only.
See respective model data sheet for specific model outline drawing number.

Do not use for installation design

Open Enclosed
Dim “A” Dim “B” Dim “C” Dry wt.* Wet wt.* Dim “A” Dim “B” Dim “C” Dry wt.* Wet wt.*
Model mm mm mm kg kg mm mm mm kg kg
C400 D5e 3427 1500 2066 3744 3878 5106 1553 2447 5049 5183
C450 D5e 3427 1500 2066 3987 4121 5106 1553 2447 5292 5426
C500 D5e 3427 1500 2066 3987 4121 5106 1553 2447 5292 5426
C550 D5e 3427 1500 2066 4137 4271 5106 1553 2447 5442 5676
* Note: Weights represent a set with standard features. See outline drawings for weights of other configurations.

Codes and standards

This generator set is designed
This generator set conforms to
in facilities certified to ISO 9001
Emissions former EU stage II emission levels
and manufactured in facilities
compliance (50 Hz) and EPA tier 2
certified to ISO 9001 or ISO
(60 Hz) emissions regulations.
9002.
This generator set has been
This generator set is available
with CE certification. ISO 8528 designed to comply with ISO 8528
regulation.

For more information contact your local Cummins distributor

or visit power.cummins.com

©2017 Cummins Inc. All rights reserved. Cummins is a registered trademark of Cummins Inc. PowerCommand, AmpSentry, InPower and “Our energy working for you.” are trademarks of
Cummins Inc. Other company, product, or service names may be trademarks or service marks of others. Specifications are subject to change without notice.
SS11-CPGK-DC50 (08/17)