3512B Diesel Generator Set
THE RUNDOWN
Cat® Diesel Engine
- Rugged, durable design with reliable performance proven in thousands of applications worldwide
- Certified alternative fuels including Hydrotreated Vegetable Oil (HVO), Renewable Diesel (RD) and Hydrotreated Renewable Diesel (HRD) which meet EN 15940 or ASTM D975 can be used or blended with EN 590 diesel
Cat Generator Set Package
- Accepts 100% block load in one step
- Meets NFPA 110 loading requirements
- Conforms to ISO 8528-5 G3 load acceptance requirements
- Reliability verified through torsional vibration, fuel consumption, oil consumption, transient performance, and endurance testing
Alternators
- Superior motor starting capability minimizes need for oversizing generator
- Designed to match performance and output characteristics of Cat diesel engines
Cooling System
- Cooling systems are available to operate in ambient temperatures up to 50°C (122°F)
- Tested to ensure proper generator set cooling
Cat ECS Control Panel
- User-friendly interface and navigation
- Scalable system to meet a wide range of installation requirements
- Expansion modules and site specific programming for specific customer requirements
- Graphical touchscreen display
- Easily upgradeable
Warranty
- 24 months/1000-hour warranty for Standby and Mission Critical ratings
- 12 months/unlimited hour warranty for Prime and Continuous ratings
- 12 months/unlimited hour warranty for Prime-DCP ratings
- Extended service protection is available to provide extended coverage options
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
Financing
- Caterpillar offers an array of financial products to help you succeed through financial service excellence
- Options include loans, finance lease, operating lease, working capital, and revolving line of credit
- Contact your local Cat dealer for availability in your region
Generator Set Specifications
| 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
| 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
| Length - Minimum | 216in |
| Length - Maximum | 216in |
| Width - Minimum | 90in |
| Width - Maximum | 90in |
| Height - Minimum | 95.3in |
| Height - Maximum | 95.3in |
| Dry Weight - Genset (minimum) | 24906lb |
| Dry Weight - Genset (maximum) | 25567lb |
Standard Equipment
Air Inlet System
- Air cleaner; single element canister type with service indicator
Exhaust System
- Exhaust flange outlet
- Dry exhaust manifold
- Flanged faced outlet(s)
Air Cleaner
- Single element with service indicator
Generator
- IP23 Protection
- Matched to the performance and output characteristics of Cat engines
Control Panel
- Cat ECS Genset controller
Starting
- Heavy duty electric starter(s)
Control System
- Alarm acknowledge
- kW-hr (total)
- Lamp test
- Over/under voltage (27 / 59)
- Digital indication for:
- DC volts
- PLC functionality
- Speed adjust
- 4 Programmable relay outputs (Form A)?
- Text alarm/event descriptions
- Warning/shutdown with common LED indication of shutdowns for:
- Engine cycle crank
- Emergency stop
- Auto/start/stop control
- RPM
- Reverse power (kW) (32)
- True RMS AC metering, 3-phase, +/-2% accuracy
- Accessory module data link
- Low coolant level
- kVAr-hr (total)
- kVAr (per phase, average & percent)
- 1 Programmable relay outputs (Form C)
- Over/under frequency (81 o/u)
- Low oil pressure
- Amps (per phase & average)
- Failure to start (overcrank)
- Cat ECS 100
- Controls:
- High coolant temperature
- Communications
- Number of I/O varies on options selected
- 24 Volt DC operation
- Engine cool-down timer
- Low coolant temperature
- Generator phase sequence
- Frequency (Hz)
- Volts (L-L & L-N)
- Reverse reactive power (kVAr) (32RV)
- Oil pressure (psi, kPa or bar)
- Customizable screens
- 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
- Load histogram feature
- 1 Programmable digital outputs
- Customer data link (Modbus RTU)
- Overspeed
- Environmental sealed front face
- Coolant temperature
- kW (per phase, average & percent)
- Programmable protective relaying functions:
- kVA (per phase, average & percent)
- Power factor (per phase & average)
- Emergency stop pushbutton
- Generator mounted - rear facing
- Cat connect
- Overcurrent (50 / 51)
Cooling
- Standard Ambient Radiator
Cooling System
- Package mounted radiator
- Radiator fan and fan drive
- Fan and belt guards
- Coolant drain line with valve
- Caterpillar extended life coolant (Not included with packages without radiator, installed SF44CTS
- Coolant level sensors (Not included with packages without radiator)
- SCAC
Fuel System
- Primary fuel filter with integral water separator
- Secondary fuel filters
- Flexible fuel lines - shipped loose
- Fuel priming pump
- Fuel cooler; not included with packages without radiator
Mounting System
- Rails
- Rubber anti-vibration mounts - shipped loose
Generators and Attachments
- Low voltage:
- Random wound
- 6 Leads
- NEMA standard hole pattern
- High voltage
- Busbar connections, right side extension box, bottom cable entry
- NEMA Class H insulation system, Class H temperature rise at 40C ambient (125C prime / 150C standby)
- Permanent magnet excitation (PMG)
- NEMA standard hole pattern
- Medium voltage:
- Busbar connections, top center mounted, top cable entry
- NEMA Class H insulation system, Class H temperature rise at 40C ambient (125C prime / 150C standby)
- Winding temperature detectors
- Form wound
- 3 Phase brushless, Salient pole
- Class H insulation, Class F temperature rise at 40C ambient (105C prime / 130C standby)
- Internal excitation (IE)
Governing System
- ADEM III
Literature
- Parts book
Lube System
- Lubricating oil
- Gear type lube oil pump
- Oil drain lines and valve
- Fumes disposal
- Integral lube Oil cooler
- Oil filter, filler and dipstick
Starting / Charging System
- Battery disconnect switch
- Battery and battery rack w/cables
- 45 Amp Charging alternator
- 24 Volt electric starting motor
Controller
- Cat ECS 100
General
- Paint - Caterpillar yellow with high gloss black rails & radiator
- Flywheel and Flywheel housing-SAE No. 00
- Right hand servicing
- SAE standard rotation
Telematics
- Ethernet
Alternator
- Random wound
- Internal Excitation (IE)
Power Termination
- Busbar
- Busbar
Optional Equipment
Control Panels
- Remote monitoring software
- Digital I/O module
- EMCP 4.4
- Load share module
- Generator temperature monitoring & protection
Exhaust System
- Exhaust mufflers
- Flanges
- Elbows
- Flange and exhaust expanders
- Mufflers
- Y Adapters
- Flexible fittings
Generator
- Oversize and premium generators
- Permanent magnet excitation (PMG)
- Internal excitation (IE)
- Anti-condensation heater
Air Inlet System
- Heavy duty air cleaner
- Single element filter
Cooling System
- Standard installed radiators
- Optional installed radicators
- Coolant
- Water level switch gauges
Air Cleaner
- Dual element with service indicator
Fuel System
- Primary fuel filter
General
- 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
- 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
- IBC isolators
- Rubber anti-vibration mounts
- Spring type vibration isolators
Starting/Charging
- Air starting motor with control and silencer
- Heavy duty starting system
- Charging alternator
- Oversize batteries
- Battery chargers
- Jacket water heater
Instrumentation
- Wiring GP W/O cyl sensors
- Pyrometer and thermocouples
Starting
- Dual electric starters
- Standard batteries
- Oversized batteries
- Battery charger - 10A
- Battery charger - 20A
- Battery charger - 40A
- Air starter(s)
- Jacket water heater
Lube System
- Lubrication oil in standard sump
- Oil drains
- Prelube pumps
- Oil level regulator
Crankcase Protection
- Explosion relief valves
- No crankcase explosion relief valves
- Crankcase ventilation system
- No explosion relief valves
Power Connections
- 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
Cooling
- No Radiator
- High Ambient Radiator
Special Tests / Reports
- 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
- 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
Muffler
- Industrial grade (15 dB)
Mounting System
- IBC vibration isolators
- Puck style low efficiency isolators
- Spring type vibration isolators
- Rubber
- Spring vibration Isolators
- Seismic rated vibration isolators
Controller
- Cat ECS 200
- EMCP 4.4
Controller attachments
- Local annunciator module
- Remote annuciator module
- Expansion I/O module
- Remote monitoring software
Telematics
- Cellular
Extended service terms
- 2 year (Prime)
- 3 year
- 5 year
- 10 year
Extended service coverage
- Silver
- Gold
- Platinum
- Platinum plus
Alternator
- Form wound
- Permanent Magnet (PM) Excitation
Alternator Temperature rise (over 40°C ambient)
- 80°C
- 105°C
- 125°C/130°C
- 150°C
Alternator Output Voltage
- 440V
- 480V
- 600V
- 2400V
- 4160V
- 6300V
- 6600V
- 6900V
- 12470V
- 13200V
- 13800V
Alternator attachments
- Anti-condensation space heater
- Stator and bearing temperature monitoring and protection
Power termination
- Circuit breakers, UL listed
- Circuit breakers, IEC compliant
- Circuit breaker
Circuit breaker
- 1600A
- 2000A
- 2500A
- 3000A
- 3200A
- 4000A
- Electrically operated
Trip Unit
- LSI
- LSI-G
- LSI-P
- LSIG-P
Ancilliary Equipment
- Automatic transfer switch (ATS)
- Paralleling switchgear
- Paralleling controls
Certifications
- UL 2200
- IBC seismic certification
