Diesel generator sets
3512B (50 Hz) 1320 -1625 kVA
Producing reliable power from 1320 to 1625 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.
Request a Quote
Have questions? Call 800.768.4200
Cat<sup class="cf-reg">®</sup> 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<sup class="cf-reg">®</sup> Energy Control System (ECS)
- 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
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
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 | 1625/1600/1500 kVA |
|---|---|
| Prime Power Rating | 1500/1360 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 | 1625 kVA |
| Minimum Rating | 1320 kVA |
| Engine Model | 3512B TA, V-12, 4-Stroke Water-Cooled Diesel |
|---|---|
| Bore | 6.69 in |
| Stroke | 7.48 in |
| Displacement | 3161.03 in³ |
| Compression Ratio | 14.0:1 |
| Aspiration | TA |
| Fuel System | Electronic Unit Injection |
| Governor Type | ADEM™ A3 |
| Length - Minimum | 216.0 in |
|---|---|
| Length - Maximum | 216.1 in |
| Width - Minimum | 90.0 in |
| Width - Maximum | 90 in |
| Height - Minimum | 95.3 in |
| Height - Maximum | 95.3 in |
| Dry Weight - Genset (minimum) | 25038 lb |
| Dry Weight - Genset (maximum) | 25677 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
- Emergency stop button
- Programmable protective relaying functions:
- Over/under voltage (27 / 59)
- kVAr (per phase, average & percent)
- kVA (per phase, average & percent)
- Engine cool-down timer
- Generator mounted - rear facing
- Overcurrent (50 / 51)
- Warning/shutdown with common LED indication of shutdowns for:
- Low coolant level
- DC volts
- Generator phase sequence
- Overspeed
- Frequency (Hz)
- Volts (L-L & L-N)
- Reverse reactive power (kVAr) (32RV)
- Text alarm/event descriptions
- 2 Programmable digital outputs
- RPM
- 2 Programmable relay outputs (Form C)
- Speed adjust
- Alarm acknowledge
- kVAr-hr (total)
- Digital indication for:
- Power factor (per phase & average)
- Environmental sealed front face
- Controls:
- True RMS AC metering, 3 phase, +/-2% accuracy
- Low oil pressure
- kW (per phase, average & percent)
- Engine cycle crank
- Accessory module data link
- Coolant temperature
- Cat ECS 100
- 24 Volt DC operation
- Over/under frequency (81 o/u)
- Amps (per phase & average)
- 4 Programmable relay outputs (Form A)
- Reverse power (kW) (32)
- Operating hours
- Communications
- Oil pressure (psi, kPa or bar)
- Serial annunciator module data link
- kW-hr (total)
- 6 Programmable digital inputs
- High coolant temperature
- Failure to start (overcrank)
- Low coolant temperature
- Lamp test
- Emergency stop
- Auto/start/stop control
- Customer data link (Modbus RTU)
Exhaust
- Exhaust flange outlet
Fuel
- Secondary fuel filters
- Primary fuel filter with integral water separator
- Fuel priming pump
Control System
- Engine cool-down timer
- DC volts
- True RMS AC metering, 3-phase, +/-2% accuracy
- High coolant temperature
- Coolant temperature
- Auto/start/stop control
- Failure to start (overcrank)
- Communications
- Oil pressure
- Emergency stop
- Cat ECS 100
- Overspeed
- frequency (Hz)
- Volts (L-L & L-N)
- Engine cycle crank
- Warnings/shutdown indicators
- Speed adjust
- Lamp test
- 24 Volt DC operation
- RPM
- 4 programmable digital inputs
- Low coolant level
- Operating hours
- Alarm acknowledge
- Emergency stop pushbutton
- Low oil pressure
- Amps (per phase & average)
- 4 programmable digital outputs
- Digital indication for:
Generator
- IP23 Protection
- Matched to the performance and output characteristics of Cat engines
Power Termination
- Busbar
Generator System
- Class H temperature rise at 40C ambient
- 3 phase brushless, Salient pole
- 6 Lead
- Winding temperature detectors
- NEMA Class H insulation
- Random wound
- Internal excitation (IE)
- 3-phase voltage sensing
- Busbar connections
- min/max exciter
- Caterpillar's digital voltage regulator (CDVR)
- RFI suppression
Literature
- Parts book
- Operation & Maintenance Manual
Cooling System
- Caterpillar extended life coolant. (Not included with packages without radiator, installed SF44CTS, shipped loose radiators or heat exchangers)
- JWAC
- Coolant level sensors (Not included with packages without radiator)
- Coolant drain line with valve
- Radiator fan and fan drive
- Fan and belt guards
Exhaust System
- Dry exhaust manifold
- Flanged faced outlet(s)
Fuel System
- Fuel priming pump
- Secondary fuel filters
- Fuel cooler; not included with packages without radiator
- Flexible fuel lines - shipped loose
Generators and Attachments
- Note: 1800 Frames are form wound, permanent magnet excitation (PMG), with winding temp detectors
- 3 Phase voltage sensing
- RFI suppression
- Class H temperature rise at 40C ambient (125C prime / 150C standby)
- Min / max exciter limiter
- Exciter diode monitor
- Busbar connections, top center mounted, top cable entry
- 3 Phase brushless, Salient pole
- 50 Hz models: IEC standard hole pattern
- Caterpillar's digital voltage regulator (CDVR) includes:
- Random wound
- Generator set packages include: Regulator (CDVR)
- Reactive droop capability
- 6 Leads
- KVAR / PF modes
- NEMA Class H insulation
- Winding temperature detectors
- Internal excitation (IE)
- LV
Governing System
- Woodward 2301A isochronous governor
Lube System
- Lubricating oil
- Gear type lube oil pump
- Integral lube Oil cooler
- Oil filter, filler and dipstick
- Fumes disposal
- Oil drain lines and valve
Mounting System
- Rails - Engine/generator/radiator mounting
- Rubber anti-vibration mounts - shipped loose
Starting / Charging System
- Battery disconnect switch
- Battery and battery rack w/cables
- 24 Volt electric starting motor
General
- SAE standard rotation
- Flywheel and Flywheel housing-SAE No. 00
- RH service
- Paint - Caterpillar yellow with high gloss black rails & radiator
- Electric Power Ratings Guide
- 3512B, 50 Hz, 1500 kVA Standby/MC, 1360 kVA Prime, Low Fuel Consumption or Low Emissions Spec Sheet
- 3512B, 50 Hz, 1600 kVA Standby/MC, 1500 kVA Prime, 1320 kVA Cont., Low Fuel Consumption or Low Emissions Spec Sheet
- 3512B, 50 Hz, 1625 kVA Standby/MC, 1500 kVA Prime, 1320 kVA Cont., Low Fuel Consumption or Low Emissions Spec Sheet
- 3512B 1500 kVA Prime-DCP, Low Fuel Consumption or Low Emissions Spec Sheet
- 3512B 50 Hz 1360 kVA, Prime-DCP, Low Fuel Consumption or Low Emissions Spec Sheet
Need installed dimensions with enclosure and tank? See Model Configurations
