Diesel generator sets
3512B (50 Hz) 1600 – 1875 kVA
Producing reliable power from 1600 to 1875 kVA at 50 Hz, our 3512B 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 offer both low fuel consumption and low emission systems.
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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
Cat ECS 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
- IBC seismic certification
- EU Declaration of Conformity
- EU Declaration of Incorporation
- EU Eurasian Conformity (EAC)
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
Over 4,000,000,000 global operating hours
Proven performance in heavy-duty applications
Over 200,000 Shipped
Since 1981, leading the large engine market
Optimised for 11% Lower Fuel Consumption
Demonstrated savings in operating costs
| Standby Rating | 1875/1750 kVA |
|---|---|
| Prime Power Rating | 1700/1600 kVA |
| Emissions/Fuel Strategy | Low Fuel, Low Emissions |
| Voltage | 380 to 415 Volts |
| Frequency | 50 Hz |
| Speed | 1500 rpm |
| Duty Cycle | Standby, Mission Critical, Prime |
| Maximum Rating | 1875 kVA |
| Minimum Rating | 1600 kVA |
| Engine Model | 3512B TA, V-12, 4-Stroke Water-Cooled Diesel |
|---|---|
| Bore | 6.69 in |
| Stroke | 8.46 in |
| Displacement | 3576 in³ |
| Displacement - HD | 3576 in³ |
| Compression Ratio | 15.5:1 HD |
| Aspiration | TA |
| Fuel System | Electronic Unit Injection |
| Governor Type | ADEM™ A3 |
| Stroke - HD | 8.46 in |
| Length - Minimum | 224.8 in |
|---|---|
| Length - Maximum | 224.8 in |
| Width - Minimum | 90 in |
| Width - Maximum | 90 in |
| Height - Minimum | 95.3 in |
| Height - Maximum | 95.3 in |
| Dry Weight - Genset (minimum) | 27132 lb |
| Dry Weight - Genset (maximum) | 27132 lb |
Air Inlet System
- Aingle element canister type air cleaner with service indicator
Air Inlet
- Air cleaner
Cooling
- Package mounted radiator (except C175)
Control Panel
- Speed adjust
- Oil pressure (psi, kPa or bar)
- 4 Programmable relay outputs (Form A)
- kVAr (per phase, average & percent)
- Over/under frequency (81 o/u)
- Operating hours
- Accessory module data link
- Text alarm/event descriptions
- Amps (per phase & average)
- DC volts
- Frequency (Hz)
- 2 Programmable relay outputs (Form C)
- kVAr-hr (total)
- Volts (L-L & L-N)
- RPM
- kW (per phase, average & percent)
- Over/under voltage (27 / 59)
- Environmental sealed front face
- Controls:
- Engine cool-down timer
- Customer data link (Modbus RTU)
- High coolant temperature
- 2 Programmable digital outputs
- Power factor (per phase & average)
- 24 Volt DC operation
- Overspeed
- Alarm acknowledge
- Lamp test
- kW-hr (total)
- Low coolant temperature
- Emergency stop
- Generator phase sequence
- Auto/start/stop control
- Cat ECS 100
- Low oil pressure
- Engine cycle crank
- Programmable protective relaying functions:
- Reverse power (kW) (32)
- Generator mounted - rear facing
- Digital indication for:
- Overcurrent (50 / 51)
- Warning/shutdown with common LED indication of shutdowns for:
- kVA (per phase, average & percent)
- Serial annunciator module data link
- Emergency stop button
- Reverse reactive power (kVAr) (32RV)
- 6 Programmable digital inputs
- Failure to start (overcrank)
- Low coolant level
- Communications
- Coolant temperature
- True RMS AC metering, 3 phase, +/-2% accuracy
Exhaust
- Exhaust flange outlet
Fuel
- Primary fuel filter with integral water separator
- Secondary fuel filters
- Fuel priming pump
Control System
- Failure to start (overcrank)
- Auto/start/stop control
- Cat ECS 100
- Lamp test
- Emergency stop pushbutton
- 4 programmable digital inputs
- Volts (L-L & L-N)
- Low coolant level
- Overspeed
- frequency (Hz)
- Engine cycle crank
- DC volts
- Coolant temperature
- Alarm acknowledge
- True RMS AC metering, 3-phase, +/-2% accuracy
- Communications
- 24 Volt DC operation
- Engine cool-down timer
- RPM
- Warnings/shutdown indicators
- Digital indication for:
- Oil pressure
- Low oil pressure
- Amps (per phase & average)
- Speed adjust
- Emergency stop
- 4 programmable digital outputs
- Operating hours
- High coolant temperature
Generator
- Matched to the performance and output characteristics of Cat engines
- IP23 Protection
Power Termination
- Busbar
Generator System
- Internal excitation (IE)
- NEMA Class H insulation
- Caterpillar's digital voltage regulator (CDVR)
- Class H temperature rise at 40C ambient
- 3-phase voltage sensing
- Busbar connections
- min/max exciter
- Random wound
- 3 phase brushless, Salient pole
- RFI suppression
- Winding temperature detectors
- 6 Lead
Literature
- Operation & Maintenance Manual
- Parts book
Cooling System
- Coolant drain line with valve
- Radiator fan and fan drive
- Fan and belt guards
- JWAC
- Caterpillar extended life coolant. (Not included with packages without radiator, installed SF44CTS, shipped loose radiators or heat exchangers)
- Coolant level sensors (Not included with packages without radiator)
Exhaust System
- Dry exhaust manifold
- Flanged faced outlet(s)
Fuel System
- Flexible fuel lines - shipped loose
- Secondary fuel filters
- Fuel priming pump
- Fuel cooler; not included with packages without radiator
Generators and Attachments
- 6 Leads
- Note: 1800 Frames are form wound, permanent magnet excitation (PMG), with winding temp detectors
- Busbar connections, top center mounted, top cable entry
- KVAR / PF modes
- Internal excitation (IE)
- Generator set packages include: Regulator (CDVR)
- RFI suppression
- Winding temperature detectors
- NEMA Class H insulation
- 50 Hz models: IEC standard hole pattern
- Reactive droop capability
- 3 Phase brushless, Salient pole
- Exciter diode monitor
- Min / max exciter limiter
- Random wound
- 3 Phase voltage sensing
- LV
- Class H temperature rise at 40C ambient (125C prime / 150C standby)
- Caterpillar's digital voltage regulator (CDVR) includes:
Governing System
- Woodward 2301A isochronous governor
Lube System
- Lubricating oil
- Fumes disposal
- Integral lube Oil cooler
- Oil drain lines and valve
- Gear type lube oil pump
- Oil filter, filler and dipstick
Mounting System
- Rubber anti-vibration mounts - shipped loose
- Rails - Engine/generator/radiator mounting
Starting / Charging System
- 24 Volt electric starting motor
- Battery and battery rack w/cables
- Battery disconnect switch
General
- Paint - Caterpillar yellow with high gloss black rails & radiator
- RH service
- SAE standard rotation
- Flywheel and Flywheel housing-SAE No. 00
- Electric Power Ratings Guide
- 3512B, 50 Hz, 1750 kVA Standby/MC, 1600 kVA Prime, Low Fuel Consumption or Low Emissions Spec Sheet
- 3512B, 50 Hz, 1875 kVA Standby/MC, 1700 kVA Prime, 1500 kVA Cont., Low Fuel Consumption or Low Emissions Spec Sheet
- 3512B, 50 Hz, 1600 kVA, Prime-DCP, Low Fuel Consumption or Low Emissions Spec Sheet
- 3512B, 50 Hz, 1700 kVA, Prime-DCP, Low Fuel Consumption or Low Emissions Spec Sheet
Need installed dimensions with enclosure and tank? See Model Configurations
