3512B Diesel Generator Set
THE RUNDOWN
Cat Generator Set Package
- Cat generator set packages have been fully prototype tested
- Accepts 100% block load in one step and meets NFPA 110 loading requirements
- Conform to ISO 8528-5 steady state and transient response requirements
Cat Diesel Engine
- Reliable, rugged, durable design
- Field-proven in thousands of applications worldwide
- Four-stroke-cycle diesel engine combines consistent performance and excellent fuel economy with minimum weight
SR5 Alternator
- Superior motor starting capability minimizes need for oversizing alternator
- Designed to match performance and output characteristics of Cat diesel engines
- Robust Class H insulation
EMCP 4 Control Panel
- User-friendly interface and navigation
- Scalable system to meet a wide range of installation requirement
- Expansion modules and site-specific programming for specific customer requirements
Cooling System
- Designed to operate in standard ambient temperatures up to 50°C (122°F)
- Contact your Cat Dealer for specific ambient and altitude capabilities
Certifications
- EU Declaration of Conformity
- EU Declaration of Incorporation
- Eurasian Conformity (EAC)
- Telecommunication Lab of China
One Safe Source
- Components used in the generator set are selected at the design stage to provide optimum package performance
- The generator set is fully assembled at a Caterpillar facility following our quality guidelines
- Each generator set package is tested before leaving the Caterpillar facility
- Cat product support, including dealer service, parts and warranty covers the entire Cat power system
World Wide Product Support
- Cat dealers have over 1,800 dealer branch stores operating in 200 countries
- Your local Cat dealer provides extensive post-sale support, including maintenance and repair agreements
Generator Set Specifications
| Standby Rating | 1875/1750 kVA |
| Prime Power Rating | 1700/1600 kVA |
| Emissions/Fuel Strategy | Low Fuel , Low Emissions |
| Voltage | 400 to 415 Volts |
| Frequency | 50 Hz |
| Speed | 1500 rpm |
| Duty Cycle | Standby, Mission Critical, Prime, Continuous |
| Minimum Rating | 1600 kVA |
| Maximum Rating | 1875 kVA |
Engine Specifications
| Engine Model | 3512B TA, V-12, 4-Stroke Water-Cooled Diesel |
| Bore | 6.69in |
| Stroke | 7.48in |
| Stroke - HD | 8.46in |
| Displacement | 3161.03in³ |
| Displacement - HD | 3576in³ |
| Compression Ratio | 15.5:1 HD |
| Aspiration | TA |
| Fuel System | Electronic Unit Injection |
| Governor Type | ADEM™ A3 |
Generator Set Dimensions
| Length - Minimum | 212.8in |
| Length - Maximum | 217.1in |
| Width - Minimum | 90in |
| Width - Maximum | 90in |
| Height - Minimum | 94.9in |
| Height - Maximum | 94.9in |
| Dry Weight - Genset (minimum) | 25620lb |
| Dry Weight - Genset (maximum) | 26530lb |
Standard Equipment
Governing System
- ADEM III
Control System
- Auto/start/stop control
- 4 Programmable digital inputs
- DC volts
- Engine cycle crank
- Low coolant level
- Speed adjust
- Low oil pressure
- Communications
- Frequency (Hz)
- Warnings/shutdown indicators
- Engine cool-down timer
- Operating hours
- Emergency stop
- Oil pressure
- Lamp test
- True RMS AC metering, 3-phase, +/-2% accuracy
- Digital indication for:
- Overspeed
- Alarm acknowledge
- RPM
- 24 Volt DC operation
- Amps (per phase & average)
- Coolant temperature
- Volts (L-L & L-N)
- EMCP 4.2B
- Emergency stop pushbutton
- Failure to start (overcrank)
- High coolant temperature
- 4 Programmable digital outputs
Cooling System
- SCAC
- Coolant drain line with valve
- Radiator fan and fan drive
- Fan and belt guards
- Coolant level sensors
- Caterpillar extended life coolant
Exhaust System
- Dry exhaust manifold
- Flanged faced outlet(s)
Fuel System
- Fuel cooler; not included with packages without radiator
- Flexible fuel lines
- Secondary fuel filters.
- Fuel priming pump
Generator System
- RFI suppression
- Min / max exciter
- 3 phase brushless, Salient pole
- Caterpillar's digital voltage regulator (CDVR)
- Class H temperature rise at 40C ambient
- Random wound
- Winding temperature detectors
- Internal excitation (IE)
- 3 Phase voltage sensing
- Busbar connections
- 6 Leads
- NEMA Class H insulation
Literature
- Parts book
- Operation & Maintenance Manual
Lube System
- Lubricating oil
- Gear type lube oil pump
- Fumes disposal
- Oil drain lines and valve
- Oil filter, filler and dipstick
- Integral lube Oil cooler
Mounting System
- Rails - Engine/generator/radiator mounting
General
- Flywheel and Flywheel housing-SAE
- Caterpillar yellow with high gloss black rails & radiator
- RH service
- SAE standard rotation
Optional Equipment
Air Inlet System
- Dual element air cleaner
- Single element filter
- Heavy duty air cleaner
Exhaust
- Exhaust mufflers
Generator
- Internal excitation (IE)
- Oversize and premium generators
- Anti-condensation heater
- Permanent magnet excitation (PMG)
Control System
- EMCP voltage and current sensing groups
- CAN2 network equipment
- Annunciator modules (Local and remote)
- Customer interface options
- Load share module options (LV)
- EMCP 4.3, EMCP 4.4
- Annunciator network equipment
- Neutral to ground connection
- Generator temperature monitoring
- Remote annunciator module (Low voltage)
- Local annunciator modules (Low voltage)
- Cat connect: Ethernet telematics / Satellite telematics / Cell telematics
- Governors (MUI-Low voltage)
Power Termination
- Circuit breakers, IEC compliant
- Circuit breakers, UL listed
Cooling System
- Installed radiators
- Coolant
- Water level switch gauges
- Cooling system attachments
Mounting
- IBC isolators
- Rubber anti-vibration mounts
- Spring type vibration isolators
Starting/Charging
- Jacket water heater
- Oversize batteries
- Battery chargers
- Charging alternator
- Heavy duty starting system
- Air starting motor with control and silencer
Exhaust System
- Flexible fittings
- Mufflers
- Y Adapters
- Elbows
- Flange and exhaust expanders
Factory Support
- Factory commissioning
Fuel System
- Secondary fuel filters
- Primary fuel filter
Generators and Attachments
- Internally excitation
- Permanent magnet excitation (PMG)
- RW
- 6 Leads
- Space heater kit
- 1400 and 1600 Frame
- Pitch 0.6667
- Low voltage generators 380, 400, 415 Volts 3 Phase, 1500 rpm
- Generator conversion kits - PM to IE / IE to PM
General
- EU Certificate of Conformance (CE)
- The following options are based on regional and product configuration:
- Seismic Certification per applicable building codes: IBC 2000, IBC 2003, IBC 2006, IBC 2009, CBC 2007
- UL 2200 package
Instrumentation
- Pyrometer and thermocouples
Lube System
- Lube oil in standard sump
- Standard sump oil pan
- Lube oil filters
- Drain GP oil pan
- Oil level regulator
- Prelube pump groups
Crankcase System
- Crankcase protection group
- Crankcase ventilation system
Mounting System
- Low efficiency isolators
- Low efficiency isolators puck
- Low isolators
- Spring type vibration isolators
Power Connections
- Low voltage - Power connection options
- Electrically operated circuit breakers
- Low voltage - Package mounted circuit breakers
- Low voltage - 1400 and 1600 Frame generators
Special Tests / Reports
- Custom generator TVA report
- PGS Test report @ 1.0 power factor
- Generator fuel consumption test
- Standard generator TVA report
- PGS Test report @ 0.8 power factor
- Generator test report
- Standard engine test charge
Starting / Charging System
- 20 Amp Battery charger
- 10 Amp Battery charger
- Electric starting motors
- Starter cover
- Batteries, racks and cables
- Jacket water heater wiring groups
- Jacket water heaters
- 35 Amp Battery charger
Extended Service Coverage
- Gold - 36,48, 60, 120 month coverage
- Cat branded commercial power system
- Silver - 36 ,48, 60, 120 month coverage
- Platinum - 24, 36, 48, 60, 120 month coverage