3512 with Upgradeable Package
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
One Safe Source
- Components used in the generator set are selected based on seamless design integration to provide the optimum 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
Worldwide 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 | 1250/1100 ekW |
| Prime Power Rating | 1135/1000 ekW |
| Emissions/Fuel Strategy | Low Fuel Consumption |
| Voltage | 380 to 480 Volts |
| Frequency | 60 Hz |
| Speed | 1800 rpm |
| Duty Cycle | Standby, Mission Critical, Prime, Continuous |
| Maximum Rating | 1250 ekW |
| Minimum Rating | 890 ekW |
Engine Specifications
| Engine Model | 3512A, V-12, 4-Stroke Water-Cooled Diesel |
| Bore | 6.69in |
| Stroke | 7.48in |
| Displacement | 3161.03in³ |
| Compression Ratio | 13.5:1 |
| Aspiration | TA |
| Fuel System | MUI |
| Governor Type | Woodward |
Generator Set Dimensions
| Length - Maximum | 203.5in |
| Width - Maximum | 79.3in |
| Height - Maximum | 92in |
| Dry Weight - Genset (minimum) | 22099lb |
| Dry Weight - Genset (maximum) | 22540lb |
Standard Equipment
Air Inlet System
- Air cleaner; single element canister type with service indicator
Control Panel
- Auto/start/stop control
- True RMS AC metering, 3-phase, +/-2% accuracy
- kVAr-hr (total)
- EMCP 4.2B
- kVAr (per phase, average & percent)
- Customer data link (Modbus RTU)
- KVAR/PF modes, RFI suppression, min/max exciter
- Overcurrent (50/51)
- IVR includes reactive droop capability, 3-phase voltage sensing
- Generator phase sequence
- 6 programmable digital inputs
- Engine cool-down timer
- Limiter and exciter diode monitor
- Over/under voltage (27/59)
- Low coolant temperature
- Generator set packages include Caterpillar's voltage regulator (IVR)
- Accessory module data link
- Low oil pressure
- Over/under frequency (81 o/u)
- Generator mounted - rear facing
- Reverse reactive power (kVAr) (32RV)
- Emergency stop
- Lamp test
- Overspeed
- kVA (per phase, average & percent)
- Operating hours
- DC volts
- Low coolant level
- Programmable protective relaying functions:
- Frequency (Hz)
- Amps (per phase & average)
- Environmental sealed front face
- Failure to start (overcrank)
- Power factor (per phase & average)
- Controls:
- kW (per phase, average & percent)
- Oil pressure (psi, kPa or bar)
- 24 Volt DC operation
- 4 programmable relay outputs (Form A)
- Emergency stop pushbutton
- 2 Programmable relay outputs (Form C)
- RPM
- Digital indication for:
- Engine cycle crank
- Speed adjust
- Coolant temperature
- 2 Programmable digital outputs
- Text alarm/event descriptions
- Serial annunciator module data link
- Communications:
- kW-hr (total)
- Volts (L-L & L-N)
- Alarm acknowledge
- Warning/shutdown with common LED indication of shutdowns for:
- Reverse power (kW) (32)
- High coolant temperature
Cooling System
- Coolant level sensors (Not included with packages without radiator)
- Coolant drain line with valve
- Fan and belt guards
- JWAC
- Caterpillar extended life coolant. (Not included with packages without radiator, installed SF44CTS, shipped loose radiators or heat exchangers)
- Caterpillar extended life coolant. (Not included with packages without radiator, installed SF44CTS, shipped loose radiators or heat exchangers)
Exhaust
- Dry exhaust manifold
- Flanged faced outlet(s)
Fuel System
- Fuel priming pump
- Fuel cooler; not included with packages without radiator
- Secondary fuel filters
- Flexible fuel lines - shipped loose
Generators and Attachments
- Internal excitation (IE) or Permanent magnet excitation (PMG)
- Winding temperature detectors
- 6 Lead
- LV
- 60 Hz models: NEMA standard hole pattern
- Busbar connections, top center mounted, top cable entry
- 3 Phase brushless, Salient pole
- Random wound
- NEMA Class H insulation
- Class H temperature rise at 40C ambient (125C prime / 150C standby)
- KVAR/PF modes
- Exciter diode monitor
- Caterpillar's digital voltage regulator (CDVR) includes:
- RFI suppression
- Reactive droop capability
- Min / max exciter limiter
- Note: 1800 Frames are form wound, permanent magnet excitation (PMG), with winding temp detectors
- Generator set packages include: Regulator (CDVR)
- 3 Phase voltage sensing
Governing System
- Woodward 2301A isochronous governor
Lube System
- Fumes disposal
- Lubricating oil
- Gear type lube oil pump
- Oil filter, filler and dipstick
- Integral lube Oil cooler
- Oil drain lines and valve
Mounting System
- Rails - engine/generator/radiator mounting
- Rubber anti-vibration mounts - shipped loose
Starting / Charging System
- 24-Volt electric starting motor
- Battery and battery rack w/cables
- 50 Amp Charging alternator
- Battery disconnect switch
General
- Flywheel and Flywheel housing-SAE No. 00
- SAE standard rotation
- RH service
- Paint - Caterpillar yellow with high gloss black rails & radiator
Optional Equipment
Air Inlet System
- Single stage air cleaners
- Dual element air filters
Circuit breakers
- 2000, 2500, 3200 and 4000 Amp, 4 pole, IEC rated Circuit breakers
Control Panels
- Remote custom annunicator
- CAN2 network equipment
- Modbus monitoring of packages
- EMCP 4.3, EMCP 4.4
- Local discrete I/O package
- Vandle proof panel door
- Cat connect
- Load share module options
- First local annunciator
Cooling System
- Coolant
- Water level gauge
- Optional radiator arrangements
Exhaust System
- Exhaust flexible fittings
- Industrial grade (15 db) mufflers
- Exhaust elbows
- Exhaust Y Adapters
Generators and Attachments
- Space heater control
- Space heater
- Generator conversion
- Space heater
- Space heater control
- 1500 RPM, 380/400/415volts @ 50 Hz, 3 phase, random wound, Permanent magnet excitation (PMG), No. of leads = 6, pitch= 0.6667
- 1500 RPM, 380/400/415volts @ 50 Hz, 3 phase, Form wound, Permanent magnet excitation (PMG), No. of leads = 6, pitch= 0.6667
Lube System
- Oil level regulator
- Lube oil
- Primary fuel systems
- Prelube sump pump
- Oil level regulator
Special Tests / Reports
- Gensets vibration analysis
- PGS Test report @ 1.0 power factor
- PKG factory test report
- Standard genset TVA report
- Standard engine test charge
- Fuel consumption test
- Generator test report
- Standard engine test charge
- PGS Test report @ 0.8 power factor
- PGS Test report @ 1.0 power factor
- Torsional vibration analysis
- Generator test report
Crankcase System
- Protection systems
- Ventilation system
- Protection systems
- Ventilation system
Batteries and Battery Housing
- Battery chargers - 10, 20 and 35 amp
- 24 Volt battery set - Dry
- Battery chargers - 10, 20 and 35 amp
- 24 Volt battery set - Dry
Mounting System
- Spring type vibration isolators
- Puck style low efficiency lsolators
- IBC vibration isolators
- Spring type vibration isolators
Instrumentation
- Pyrometer and thermocouples
Protection System
- Explosion relief valves
Starting / Charging Systems
- Oversize battery set
- Jacket water heater
- Electric starting motors
- Jacket water heaters
- 24 Volt dual electric starting motor
- Starter cover
General
- Barring devices
Power Connection System
- Breaker power connections
- EMCP voltage and current sensing groups
- Center post busbars
Circuit breaker - LV Packages
- Electronically operated circuit breakers
- Right hand power connections
