3512B Diesel Generator Set
At a Glance
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Standby Rating
1500/1400 ekW
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Prime Power Rating
1360/1275 ekW
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Emissions/Fuel Strategy
Low Fuel, Low Emissions
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Voltage
380 to 13800 Volts
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Overview
Caterpillar is leading the power generation marketplace with Power Solutions engineered to deliver unmatched flexibility, expandability, reliability, and cost-effectiveness.
Generator Set Specifications
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| Standby Rating |
1500/1400 ekW |
| Prime Power Rating |
1360/1275 ekW |
| Emissions/Fuel Strategy |
Low Fuel, Low Emissions |
| Voltage |
380 to 13800 Volts |
| Frequency |
60 Hz |
| Speed |
1800 rpm |
| Duty Cycle |
Standby, Mission Critical, Prime, Continuous |
| Maximum Rating |
1500 ekW |
| Minimum Rating |
1230 ekW |
Engine Specifications
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| Engine Model |
3512B TA, V-12, 4-Stroke Water-Cooled Diesel |
| Bore |
6.69in |
| Stroke |
7.48in |
| Displacement |
3573.55in³ |
| Compression Ratio |
14.0:1 Std 15.5:1 HD |
| Aspiration |
TA |
| Fuel System |
Electronic Unit Injection |
| Governor Type |
ADEM™ A3 |
Generator Set Dimensions
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| Length - Maximum |
221.9in |
| Width - Maximum |
90in |
| Height - Maximum |
93.2in |
| Dry Weight - Genset (minimum) |
24430lb |
| Dry Weight - Genset (maximum) |
25090lb |
Standard Equipment:
Air Inlet System
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Air cleaner; single element canister type with service indicator
Exhaust System
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Exhaust flange outlet
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Dry exhaust manifold
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Flanged faced outlet(s)
Generator
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IP23 Protection
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Matched to the performance and output characteristics of Cat engines
Control System
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Alarm acknowledge
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kW-hr (total)
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Lamp test
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Over/under voltage (27 / 59)
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Digital indication for:
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DC volts
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PLC functionality
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Speed adjust
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4 Programmable relay outputs (Form A)�
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Text alarm/event descriptions
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Warning/shutdown with common LED indication of shutdowns for:
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Engine cycle crank
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Emergency stop
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Auto/start/stop control
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RPM
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Reverse power (kW) (32)
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True RMS AC metering, 3-phase, +/-2% accuracy
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Accessory module data link
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Low coolant level
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kVAr-hr (total)
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kVAr (per phase, average & percent)
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1 Programmable relay outputs (Form C)
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Over/under frequency (81 o/u)
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Low oil pressure
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Amps (per phase & average)
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Failure to start (overcrank)
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EMCP 4.2B
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Controls:
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High coolant temperature
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Communications
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Number of I/O varies on options selected
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24 Volt DC operation
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Engine cool-down timer
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Low coolant temperature
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Generator phase sequence
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Frequency (Hz)
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Volts (L-L & L-N)
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Reverse reactive power (kVAr) (32RV)
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Oil pressure (psi, kPa or bar)
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Customizable screens
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Generator set packages include Caterpillar's voltage
regulator (IVR). IVR includes reactive droop capability, 3-phase voltage sensing, KVAR / PF modes, RFI suppression, min max exciter. Limiter and exciter diode monitor
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Load histogram feature
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1 Programmable digital outputs
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Customer data link (Modbus RTU)
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Overspeed
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Environmental sealed front face
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Coolant temperature
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kW (per phase, average & percent)
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Programmable protective relaying functions:
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kVA (per phase, average & percent)
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Power factor (per phase & average)
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Emergency stop pushbutton
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Generator mounted - rear facing
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Cat connect
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Overcurrent (50 / 51)
Cooling System
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Package mounted radiator
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Radiator fan and fan drive
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Fan and belt guards
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Coolant drain line with valve
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Caterpillar extended life coolant (Not included with packages without radiator, installed SF44CTS
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Coolant level sensors (Not included with packages without radiator)
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SCAC
Fuel System
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Primary fuel filter with integral water separator
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Secondary fuel filters
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Flexible fuel lines - shipped loose
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Fuel priming pump
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Fuel cooler; not included with packages without radiator
Generators And Attachments
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Low voltage:
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Random wound
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6 Leads
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NEMA standard hole pattern
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High voltage
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Busbar connections, right side extension box, bottom cable entry
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NEMA Class H insulation system, Class H temperature rise at 40C ambient
(125C prime / 150C standby)
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Permanent magnet excitation (PMG)
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NEMA standard hole pattern
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Medium voltage:
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Busbar connections, top center mounted, top cable entry
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NEMA Class H insulation system, Class H temperature rise at 40C ambient
(125C prime / 150C standby)
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Winding temperature detectors
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Form wound
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3 Phase brushless, Salient pole
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Class H insulation, Class F temperature rise at 40C ambient (105C prime / 130C standby)
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Internal excitation (IE)
Lube System
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Lubricating oil
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Gear type lube oil pump
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Oil drain lines and valve
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Fumes disposal
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Integral lube Oil cooler
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Oil filter, filler and dipstick
Mounting System
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Rubber anti-vibration mounts - shipped loose
Starting / Charging System
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Battery disconnect switch
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Battery and battery rack w/cables
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45 Amp Charging alternator
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24 Volt electric starting motor
General
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Paint - Caterpillar yellow with high gloss black rails & radiator
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Flywheel and Flywheel housing-SAE No. 00
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Right hand servicing
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SAE standard rotation
Optional Equipment:
Control Panels
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Remote monitoring software
Digital I/O module
EMCP 4.3, EMCP 4.4
Load share module
Generator temperature monitoring & protection
Exhaust System
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Exhaust mufflers
Flanges
Elbows
Flange and exhaust expanders
Mufflers
Y Adapters
Flexible fittings
Generator
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Oversize and premium generators
Permanent magnet excitation (PMG)
Internal excitation (IE)
Anti-condensation heater
Air Inlet System
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Heavy duty air cleaner
Single element filter
Power Termination
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Circuit breakers, UL listed
Circuit breakers, IEC compliant
Cooling System
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Standard installed radiators
Optional installed radicators
Coolant
Water level switch gauges
General
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UL 2200 package
EEC Declaration of Conformity
Seismic Certification per applicable building codes: IBC 2000, IBC 2003, IBC 2006, IBC 2009, CBC 2007
CSA Certification
Enclosures: Sound attenuated, weather protective
Automatic transfer switches (ATS)
Integral & sub-base fuel tanks
The following options are based on regional and product configuration:
US aid emblem
Integral & sub-base UL listed dual wall fuel tanks
EU Certificate of Conformance (CE)
Generators And Attachments
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1400, 1600, 2700 Frames
Generator conversion from IE to PM
Space heater
RW, IE, 6 Leads, Pitch 0.6667
Low voltage: 380,440 / 480 Volts, 3 Phase, 1800 rpm
Differential current transformers (DCT) 15 kV class
Generator air cleaner
Differential current transformers (DCT) 8.7 kV class
Mounting
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IBC isolators
Rubber anti-vibration mounts
Spring type vibration isolators
Starting/charging
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Air starting motor with control and silencer
Heavy duty starting system
Charging alternator
Oversize batteries
Battery chargers
Jacket water heater
Instrumentation
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Wiring GP W/O cyl sensors
Pyrometer and thermocouples
Lube System
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Lubrication oil in standard sump
Oil drains
Prelube pumps
Oil level regulator
Crankcase Protection
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Explosion relief valves
No crankcase explosion relief valves
Crankcase ventilation system
No explosion relief valves
Mounting System
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IBC vibration isolators
Puck style low efficiency isolators
Spring type vibration isolators
Power Connections
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2000, 2500 Amp, 4 Pole, IECrated Circuit breakers
Cable entry - right side
Grounding groups
Left side power connections
1600 ,2000, 2500, 3000, 4000 Amp, 3 Pole, UL-100% rated Circuit breakers
2000, 2500, 3200 Amp, 3 Pole, IEC rated Circuit breakers
Rear power connections
Neutral ground connections
6 Leads, 6 terminal option
Right side power connections
Center post buss bar
Special Tests / Reports
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Generator test report
PGS Test report @ 0.8 power factor
Standard engine test charge
CSA Certification
Torsional vibration analysis
Generator fuel consumption test
PGS Test report @ 1.0 power factor
IBC seismic Certification
Fuel consumption test
Starting / Charging System
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Air pressure regulator
Batteries, racks and cables:
Air starting motor
35 Amp Battery charger
24 Volt battery set - Dry
Starter cover
10 Amp Battery charger
Engine barring device
Jacket water heaters
Electric starting motors
