Diesel generator sets
3512 (60 Hz) with Upgradeable Package
Producing reliable power from 890 to 1250 eKW 60 Hz, our 3512 diesel generator sets are made to meet your mission critical, continuous, standby and prime applications. We've designed each to ISO 8528-5 transient response requirements and to accept 100% rated load in one step. Generator sets are optimized for low fuel consumption.
- Emissions/Fuel StrategyLow Fuel Consumption
- Voltage380 to 480 Volts
- Frequency60 Hz
- Duty CycleStandby, Mission Critical, Prime, Continuous
- Maximum Rating1250 ekW
- Minimum Rating890 ekW
| 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 Model | 3512A, V-12, 4-Stroke Water-Cooled Diesel |
|---|---|
| Bore | 6.69 in |
| Stroke | 7.48 in |
| Displacement | 3161.03 in³ |
| Compression Ratio | 13.5:1 |
| Aspiration | TA |
| Fuel System | MUI |
| Governor Type | Woodward |
| Length - Maximum | 203.5 in |
|---|---|
| Width - Maximum | 79.3 in |
| Height - Maximum | 92 in |
| Dry Weight - Genset (minimum) | 22099 lb |
| Dry Weight - Genset (maximum) | 22540 lb |
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
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Download ↓Electric Power Ratings Guide
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Download ↓3512, 60 Hz, 1250 ekW Standby/MC, 1135 ekW Prime, 1010 ekW Cont., Low Fuel Consumption Spec Sheet
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Download ↓3512, 60 Hz, 1135 kVA, Prime-DCP, Low Fuel Consumption Spec Sheet
Need installed dimensions with enclosure and tank? See Model Configurations