®
DIESEL GENERATOR SET
FEATURES
STANDBY
1500 ekW 1875 kVA
60 Hz 1800 rpm 480 Volts
Caterpillar is leading the power generation
marketplace with Power Solutions engineered
to deliver unmatched flexibility, expandability,
reliability, and cost-effectiveness.
Image shown may not
reflect actual package.
FUEL/EMISSIONS STRATEGY
• EPA Tier 2
DESIGN CRITERIA
• The generator set accepts 100% rated load in one
step per NFPA 110 and meets ISO 8528-5 transient
response.
UL 2200
• UL 2200 listed packages available. Certain
restrictions may apply. Consult with your
Caterpillar Dealer.
FULL RANGE OF ATTACHMENTS
• Wide range of bolt-on system expansion
attachments, factory designed and tested
• Flexible packaging options for easy and cost
effective installation
SINGLE-SOURCE SUPPLIER
• Fully prototype tested with certified torsional
vibration analysis available
WORLDWIDE PRODUCT SUPPORT
• Caterpillar® dealers provide extensive post sale
support including maintenance and repair
agreements
• Caterpillar dealers have over 1,600 dealer branch
stores operating in 200 countries
• The Cat® S•O•SSMprogram cost effectively detects
internal engine component condition, even the
presence of unwanted fluids and combustion
by-products
CAT 3512C DIESEL ENGINE
• Reliable, rugged, durable design
• Four-stroke-cycle diesel engine combines
consistent performance and excellent fuel
economy with minimum weight
CAT GENERATOR
• Designed to match the performance and output
characteristics of Caterpillar diesel engines
• Single point access to accessory connections
• UL 1446 recognized Class H insulation
CAT EMCP 3 SERIES CONTROL PANELS
• Simple user friendly interface and navigation
• Scalable system to meet a wide range of
customer needs
• Integrated Control System and Communications
Gateway
®
STANDBY 1500 ekW 1875 kVA
60 Hz 1800 rpm 480 Volts
FACTORY INSTALLED STANDARD & OPTIONAL EQUIPMENT
System Standard Optional
Air Inlet • Single element canister type air cleaner with service
indicator
Cooling • EPA Tier II Certified Std PGS provides ATAAC
• All 3512C package radiators shipped installed
• Air return temp from ATAAC 50ºC 122ºF) at 30ºC
(86ºC)ambient temperature.
• Radiator fan and fan drive
• Fan and belt guards
• Coolant drain line with valve
• Coolant level sensors*
• Caterpillar Extended Life Coolant*
Exhaust • Exhaust manifold - dry - dual - 8 in
• 203 mm (8 in) ID round flanged outlet
Fuel • Secondary fuel filters
• Fuel cooler*
• Fuel priming pump
• Flexible fuel lines-shipped loose
Generator • Class H insulation
• CAT digital voltage regulator (CDVR) with DVAR/PF
control, 3-phase sensing
• Winding temperature detectors
• Anti-condensation space heaters
• Reactive droop
Power Termination •Bus bar (NEMA and IEC mechanical lug holes)- right
side standard
•Top and bottom cable entry
Governor • ADEM™ III • Load share module
• Dual element & heavy duty air cleaners (with
pre-cleaners)
• Air inlet adapters & shutoff
• Radiator removal
• Coolant level switch gauge
• Heat exchanger and expansion tank
• Mufflers
• Stainless steel exhaust flex fittings
• Elbows, flanges, expanders & Y adapters
• Duplex secondary fuel filter
• Primary fuel filter with fuel water separator
*Not included with packages without radiator
• Oversize & premium generators
• Circuit breakers, UL listed, 3 pole shunt trip, 100%
rated, choice of trip units, manual or electrically
operated (low voltage only)
• Circuit breakers, IEC compliant, 3 or 4 pole with shunt
trip (low voltage only), choice of trip units, manual or
electrically operated
• Shroud cover for bottom cable entry
• Power terminations can be located on the left and/or
rear as an option. Also, multiple circuit breakers can
be ordered (up to 2)
Control Panel • User interface panel (UIP) - rear mount
• EMCP 3.1 Genset Controller
• Speed Adjust
• AC & DC customer wiring area (right side)
• Emergency Stop Pushbutton
Lube • Lubricating oil
• Gear type lube oil pump
• Integral lube oil cooler
• Oil filter, filler and dipstick
• Oil drain line and valve
• Fumes disposal
Mounting • Rails - engine / generator / radiator mounting
• Anti-vibration mounts (shipped loose)
• Rubber anti-vibration mounts (shipped loose)
Starting/Charging • 24 volt starting motor(s)
• Batteries with rack and cables
• Battery disconnect switch
2
• EMCP 3.3
• Option for right or left mount UIP
• Option for rear or left mount Customer wiring area
• Local & remote annunciator modules
• Load share module
• Discrete I/O Module
• Generator temperature monitoring & protection
• Voltage Adjust
• Oil level regulator
• Deep sump oil pan
• Electric & air prelube pumps
• Manual prelube with sump pump
• Duplex oil filter
• Isolator removal
• Spring type vibration isolator
• Battery chargers (10 &20 Amp)
• 45 amp charging alternator
• Oversize batteries
• Ether starting aids
• Heavy duty starting motors
• Barring device (manual)
• Air starting motor with control & silencer
May 27 2009 14:43 PM
®
STANDBY 1500 ekW 1875 kVA
60 Hz 1800 rpm 480 Volts
SPECIFICATIONS
CAT GENERATOR
SR4B Generator
Frame Size.........................................................................697
Excitation................................................ Permanent Magnet
Pitch..............................................................................0.7333
Number of poles................................................................... 4
Number of bearings...................................... Single Bearing
Number of Leads.................................................................. 6
Insulation....................... UL 1446 Recognized Class H with
tropicalization and antiabrasion
IP Rating.........................................................Drip Proof IP22
Alignment.............................................................. Pilot Shaft
Overspeed capability- % of rated.................................... 150
Wave form....................................................................003.00
Paralleling kit/Droop transformer.......................... Standard
Voltage Regulator3 Phase sensing with selectible volts/Hz
Telephone influence factor............................... Less than 50
CAT DIESEL ENGINE
3512C ATAAC, V-12, 4 stroke, water-cooled diesel
Bore........................................................ 170.00 mm (6.69 in)
Stroke..................................................... 190.00 mm (7.48 in)
Displacement.........................................51.80 L (3161.03 in3)
Compression Ratio....................................................... 14.7:1
Aspiration........................................................................... TA
Fuel System.................................... Electronic unit injection
Governor Type........................................................... ADEM3
CAT EMCP SERIES CONTROLS
• EMCP 3.1 (Standard)
• EMCP 3.2 / EMCP 3.3 (Option)
• Single location customer connector point
• True RMS AC metering, 3-phase
• Controls
- Run / Auto / Stop control
- Speed Adjust
- Voltage Adjust
- Emergency Stop Pushbutton
- Engine cycle crank
• Digital Indication for:
- RPM
- Operating hours
- Oil pressure
- Coolant temperature
- System DC volts
- L-L volts, L-N volts, phase amps, Hz
- ekW, kVA, kVAR, kW-hr, %kW, PF (EMCP 3.2 / 3.3)
• Shutdowns with common indicating light for:
- Low oil pressure
- High coolant temperature
- Low coolant level
- Overspeed
- Emergency stop
- Failure to start (overcrank)
• Programmable protective relaying functions: (EMCP 3.2
& 3.3)
- Under and over voltage
- Under and over frequency
- Overcurrent (time and inverse time)
- Reverse power (EMCP 3.3)
• MODBUS isolated data link, RS-485 half-duplex (EMCP
3.2 & 3.3)
• Options
- Vandal door
- Local annunciator module
- Remote annunciator module
- Input / Output module
- RTD / Thermocouple modules
- Monitoring software
3
May 27 2009 14:43 PM
®
STANDBY 1500 ekW 1875 kVA
60 Hz 1800 rpm 480 Volts
TECHNICAL DATA
Open Generator Set - - 1800 rpm/60 Hz/480 Volts DM8260
EPA Tier 2
Generator Set Package Performance
Genset Power rating @ 0.8 pf
Genset Power rating with fan
Coolant to aftercooler
Coolant to aftercooler temp max 50 º C 122 º F
Fuel Consumption
100% load with fan
75% load with fan
50% load with fan
Cooling System
1
Air flow restriction (system)
Air flow (max @ rated speed for radiator arrangement)
Engine Coolant capacity with radiator/exp. tank
Engine coolant capacity
Radiator coolant capacity
Inlet Air
Combustion air inlet flow rate 129.5 m³/min 4573.3 cfm
Exhaust System
Exhaust stack gas temperature
Exhaust gas flow rate
Exhaust flange size (internal diameter)
Exhaust system backpressure (maximum allowable)
Heat Rejection
Heat rejection to coolant (total)
Heat rejection to exhaust (total)
Heat rejection to aftercooler
Heat rejection to atmosphere from engine
Heat rejection to atmosphere from generator
Alternator
2
Motor starting capability @ 30% voltage dip
Frame
Temperature Rise
Lube System
Sump refill with filter 310.4 L 82.0 gal
Emissions (Nominal)
3
NOx g/hp-hr
CO g/hp-hr
HC g/hp-hr
PM g/hp-hr
1
For ambient and altitude capabilities consult your Caterpillar dealer. Air flow restriction (system) is added to existing restriction from
factory.
2
UL 2200 Listed packages may have oversized generators with a different temperature rise and motor starting characteristics. Generator
temperature rise is based on a 40 degree C ambient per NEMA MG1-32.
3
Emissions data measurement procedures are consistent with those described in EPA CFR 40 Part 89, Subpart D & E and ISO8178-1 for
measuring HC, CO, PM, NOx. Data shown is based on steady state operating conditions of 77ºF, 28.42 in HG and number 2 diesel fuel
with 35º API and LHV of 18,390 btu/lb. The nominal emissions data shown is subject to instrumentation, measurement, facility and engine
to engine variations. Emissions data is based on 100% load and thus cannot be used to compare to EPA regulations which use values
based on a weighted cycle.
1875 kVA
1500 ekW
396.9 L/hr 104.8 Gal/hr
310.9 L/hr 82.1 Gal/hr
219.8 L/hr 58.1 Gal/hr
0.12 kPa 0.48 in. water
2075 m³/min 73278 cfm
390.8 L 103.2 gal
156.8 L 41.4 gal
234.0 L 61.8 gal
406.4 º C 763.5 º F
313.2 m³/min 11060.6 cfm
203.2 mm 8.0 in
6.7 kPa 26.9 in. water
616 kW 35032 Btu/min
1327 kW 75466 Btu/min
482 kW 27411 Btu/min
124 kW 7052 Btu/min
64.1 kW 3645.4 Btu/min
2670 skVA
697
130 º C 234 º F
4.97 g/hp-hr
.45 g/hp-hr
.11 g/hp-hr
.03 g/hp-hr
4
May 27 2009 14:43 PM
®
STANDBY 1500 ekW 1875 kVA
60 Hz 1800 rpm 480 Volts
RATING DEFINITIONS AND CONDITIONS
Meets or Exceeds International Specifications: AS1359,
CSA, IEC60034-1, ISO3046, ISO8528, NEMA MG 1-22,
NEMA MG 1-33, UL508A, 72/23/EEC, 98/37/EC,
2004/108/EC
Standby - Output available with varying load for the
duration of the interruption of the normal source power.
Average power output is 70% of the standby power
rating. Typical operation is 200 hours per year, with
maximum expected usage of 500 hours per year.
Standby power in accordance with ISO8528. Fuel stop
power in accordance with ISO3046. Standby ambients
shown indicate ambient temperature at 100% load which
results in a coolant top tank temperature just below the
shutdown temperature.
Ratings are based on SAE J1349 standard conditions.
These ratings also apply at ISO3046 standard conditions.
Fuel rates are based on fuel oil of 35º API [16º C (60º F)]
gravity having an LHV of 42 780 kJ/kg (18,390 Btu/lb)
when used at 29º C (85º F) and weighing 838.9 g/liter
(7.001 lbs/U.S. gal.). Additional ratings may be available
for specific customer requirements, contact your
Caterpillar representative for details. For information
regarding Low Sulfur fuel and Biodiesel capability,
please consult your Caterpillar dealer.
5
May 27 2009 14:43 PM
®
STANDBY 1500 ekW 1875 kVA
60 Hz 1800 rpm 480 Volts
DIMENSIONS
Package Dimensions
Length 5895.0 mm 232.09 in
Width 2537.5 mm 99.9 in
Height 2749.5 mm 108.25 in
Weight 14 121 kg 31,131 lb
NOTE: For reference only - do not use for
installation design. Please contact
your local dealer for exact weight
and dimensions. (General
Dimension Drawing #2846048).
Performance No.: DM8260
Feature Code: 512DE6C
Gen. Arr. Number: 2628100
Source: U.S. Sourced
May 27 2009
www.CAT-ElectricPower.com
© 2009 Caterpillar
All rights reserved.
Materials and specifications are subject to change without notice.
The International System of Units (SI) is used in this publication.
CAT, CATERPILLAR, SAFETY.CAT.COM their respective logos, "Caterpillar
Yellow," and the POWER EDGE trade dress, as well as corporate and
product identity used herein, are trademarks of Caterpillar and may not
14155667
6
be used without permission.
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