Producing reliable power from 1000 to 1400 kVA at 50 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 offer both low fuel consumption and low emission systems.
Cat
3512 Generator Set
Overview
Photos
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3512A (50 Hz) Upgradeable Package -
3512 (50 Hz) Upgradeable Package -
3512 (50 Hz) Upgradeable Package -
3512 (50 Hz) Upgradeable Package
360° View
Exterior
360° Exterior view. Double click on the image to zoom in on any area of the product.
Showroom
Virtual Product tour
Features
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 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
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
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
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
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
- Telecom Lab of China (TLC)
- EU Declaration of Conformity
- EU Declaration of Incorporation
- Eurasian Conformity
Certifications
- Telecom Lab of China (TLC)
- EU Declaration of Conformity
- EU Declaration of Incorporation
- Eurasian Conformity
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
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
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
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
Specifications
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Generator Set Specifications
Spec Value Standby Rating 1400/1250 kVA Prime Power Rating 1275/1150 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, Continuous Maximum Rating 1400 kVA Minimum Rating 1000 kVA -
Engine Specifications
Spec Value Engine Model 3512 TA, 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 Direct Unit Injection Governor Type Woodward -
Generator Set Dimensions
Spec Value Length - Minimum 203.5 in Length - Maximum 207.5 in Width - Maximum 79.3 in Height - Maximum 92 in Dry Weight - Genset (minimum) 22540 lb Dry Weight - Genset (maximum) 23060 lb
Standard Equipment
Air Inlet System
- Air cleaner; single element canister type with service indicator
Control Panel
- Serial annunciator module data link
- Accessory module data link
- 2 Programmable digital outputs
- Overspeed
- Low coolant level
- Oil pressure (psi, kPa or bar)
- Amps (per phase & average)
- 24 Volt DC operation
- 2 Programmable relay outputs (Form C)
- Auto/start/stop control
- Speed adjust
- DC volts
- Reverse reactive power (kVAr) (32RV)
- kVA (per phase, average & percent)
- 6 programmable digital inputs
- Low oil pressure
- Text alarm/event descriptions
- Volts (L-L & L-N)
- Emergency stop
- 4 programmable relay outputs (Form A)
- Programmable protective relaying functions:
- Coolant temperature
- Reverse power (kW) (32)
- kVAr-hr (total)
- Customer data link (Modbus RTU)
- Generator mounted - rear facing
- Over/under frequency (81 o/u)
- High coolant temperature
- Engine cool-down timer
- EMCP4.2 controller includes:
- Engine cycle crank
- kW (per phase, average & percent)
- Lamp test
- Generator phase sequence
- Failure to start (overcrank)
- Operating hours
- Warning/shutdown with common LED indication of shutdowns for:
- Environmental sealed front face
- Emergency stop pushbutton
- RPM
- Frequency (Hz)
- Low coolant temperature
- kVAr (per phase, average & percent)
- Alarm acknowledge
- kW-hr (total)
- Over/under voltage (27 / 59)
- Power factor (per phase & average)
- Overcurrent (50 / 51)
- Digital indication for:
- True RMS AC metering, 3 phase, +/-2% accuracy
- Communication:
- Controls:
- Generator mounted - rear facing
- Low coolant level
- Communications
- kVAr (per phase, average & percent)
- Warning/shutdown with common LED indication of shutdowns for:
- Controls:
- 2 Programmable digital outputs
- Low coolant temperature
- EMCP4.2 controller includes:
- Over/under frequency (81 o/u)
- kW-hr (total)
- Text alarm/event descriptions
- Environmental sealed front face
- RPM
- Digital indication for:
- Emergency stop
- Serial annunciator module data link
- kVA (per phase, average & percent)
- Alarm acknowledge
- kVAr-hr (total)
- Auto/start/stop control
- kW (per phase, average & percent)
- Engine cool-down timer
- True RMS AC metering, 3-phase, +/-2% accuracy
- Failure to start (overcrank)
- Over/under voltage (27/59)
- EMCP4.2 controls including: Emergency stop pushbutton
- Low oil pressure
- 24 Volt DC operation
- Volts (L-L & L-N)
- Oil pressure (psi, kPa or bar)
- Reverse power (kW) (32)
- Overcurrent (50/51)
- 6 programmable digital inputs
- Reverse reactive power (kVAr) (32RV)
- Generator phase sequence
- Operating hours
- High coolant temperature
- Overspeed
- Accessory module data link
- 2 Programmable relay outputs (Form C)
- Frequency (Hz)
- Coolant temperature
- Customer data link (Modbus RTU)
- Lamp test
- Power factor (per phase & average)
- 4 programmable relay outputs (Form A)
- Speed adjust
- Amps (per phase & average)
- Programmable protective relaying functions:
- DC volts
- Engine cycle crank
Cooling System
- Coolant drain line with valve
- JWAC
- Fan and belt guards
- Radiator fan and fan drive
- 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)
Cooling
- Coolant level sensors (Not included with packages without radiator)
- Radiator fan and fan drive
- Fan and belt guards
- Caterpillar extended life coolant. (Not included with packages without radiator, installed SF44CTS, shipped loose radiators or heat exchangers)
- JWAC.
- Coolant drain line with valve
Exhaust
- Dry exhaust manifold
- Flanged faced outlet(s)
- Dry exhaust manifold
- Flanged faced outlet(s)
Fuel System
- Fuel cooler; not included with packages without radiator
- Secondary fuel filters
- Fuel priming pump
- Flexible fuel lines - shipped loose
Fuel
- Fuel priming pump
- Fuel cooler; not included with packages without radiator
- Secondary fuel filters
- Flexible fuel lines - shipped loose
Generators and Attachments
- 3 Phase brushless, Salient pole
- Exciter diode monitor
- Note: 1800 Frames are form wound, permanent magnet excitation (PMG), with winding temp detectors
- RFI suppression
- 3 Phase voltage sensing
- Min / max exciter limiter
- Generator set packages include: Regulator (CDVR)
- KVAR / PF modes
- NEMA Class H insulation
- Internal excitation (IE)
- Winding temperature detectors
- Reactive droop capability
- 50 Hz models: IEC standard hole pattern
- Class H temperature rise at 40C ambient (125C prime/150C standby)
- Random wound
- Busbar connections, top center mounted, top cable entry
- LV
- Caterpillar's digital voltage regulator (CDVR) includes:
- 6 Lead
- Winding temperature detectors
- Busbar connections, top center mounted, top cable entry
- 50 Hz models: IEC standard hole pattern
- NEMA Class H insulation
- 3 phase brushless, Salient pole
- Exciter diode monitor
- Caterpillar's digital voltage regulator (CDVR) includes:
- KVAR/PF modes
- 3 Phase voltage sensing
- Note: 1800 Frames are form wound, permanent magnet excitation (PMG), with winding temp detectors
- LV
- 6 Lead
- Class H temperature rise at 40C ambient (125C prime/150C standby)
- Reactive droop capability
- Min / max exciter limiter
- Random wound
- Internal excitation (IE)
- Generator set packages include: Regulator (CDVR)
- RFI suppression
Governing System
- Woodward 2301A isochronous governor
- Woodward 2301A isochronous governor
Lube System
- Fumes disposal
- Oil filter, filler and dipstick
- Gear type lube oil pump
- Oil drain lines and valve
- Lubricating oil
- Integral lube Oil cooler
- Fumes disposal
- Oil drain lines and valve
- Lubricating oil
- Integral lube Oil cooler
- Oil filter, filler and dipstick
- Gear type lube oil pump
Mounting System
- Rubber anti-vibration mounts - shipped loose
- Rails - Engine/generator/radiator mounting
- Rubber anti-vibration mounts - shipped loose
- Rails - engine/generator/radiator mounting
Starting / Charging System
- Battery disconnect switch
- Battery and battery rack w/cables
- 24 Volt electric starting motor
- Battery disconnect switch
- 24 Volt electric starting motor
- Battery and battery rack w/cables
General
- Flywheel and Flywheel housing-SAE No. 00
- SAE standard rotation
- RH service
- Paint - Caterpillar yellow with high gloss black rails & radiator
- RH service
- Flywheel and Flywheel housing-SAE No. 00
- Paint - Caterpillar yellow with high gloss black rails & radiator
- SAE standard rotation
Optional Equipment
Engine Options
- Batteries: [ ] Standard (1400 CCA) [ ] Heavy Duty (2800 CCA)
- Muffler: [ ] Industrial Grade
- Battery charger: [ ] 10A [ ] 20A [ ] 35A
- Starting motors: [ ] Standard [ ] Heavy duty
- Starting aids: [ ] 220V 50 Hz Jacket water heater
Air Inlet System
- Air inlet protection
- Remote air inlet adaptors
- Dual element air cleaners
- Dual element air cleaners
- Air inlet protection
- Remote air inlet adaptors
Circuit breakers
- Busbar connections
- Controls packaging - Enclosures
- EMAX Circuit breakers
- Optional busbar power connections
- Center posts busbars
- 2000, 2500, 3200 and 4000 Amp, 3 pole, IEC rated Circuit breakers
- EMAX breakers connections
- Cable entry options
- 2000, 2500, 3200 and 4000 Amp, 4 pole, IEC rated Circuit breakers
- Breaker harnesses
- EMAX breakers connections
- 2000, 2500, 3200 and 4000 Amp, 3 pole, IEC rated Circuit breakers
- Center posts busbars
- Controls packaging - Enclosures
- 2000, 2500, 3200 and 4000 Amp, 4 pole, IEC rated Circuit breakers
- Cable entry options
- Optional busbar power connections
- Busbar connections
- Breaker harnesses
- EMAX Circuit breakers
Control System
- Controller: [ ] EMCP 4.2 [ ] EMCP 4.3 [ ] EMCP 4.4
- Local annunciator module: [ ] NFPA 110 [ ] Custom
Alternators
- Temperature rise (over 40°C ambient): [ ] 150°C [ ] 125°C [ ] 105°C [ ] 80°C
Control Panels
- Auxiliary boxes
- Generator temperature monitoring
- EMCP 4.3, EMCP 4.4
- Customer connection mounting locations
- Customer interface options
- Mounting group - External box clips
- Local PC monitoring
- Annunciator modules
- Governors
- Ground (Automatically selected)
- Vandle proof panel door
- Remote speed adjust
- Governors
- Local PC monitoring
- Ground (Automatically selected)
- Auxiliary boxes
- Vandle proof panel door
- Remote speed adjust
- Customer Interface options
- Mounting group - External box clips
- Customer connection mounting locations
- Generator temperature monitoring
- EMCP 4.3
- EMCP 4.4
Cooling System
- Water level switch gauges
- Optional radiator arrangements
- Heat exchangers
- Optional radiator arrangements
- Water level switch gauges
- Heat exchangers
Power Termination
- Power termination: [ ] Busbar [ ] Circuit breaker
- Circuit breaker rating: [ ] 2000A [ ] 2500A [ ] 3200A [ ] 4000A
- Circuit breaker operation: [ ] Electrical
- Circuit breaker trip unit: [ ] LSI [ ] LSIG [ ] LSIG-P
Extended Service Contract (ESC)
- Extended Service Contract (ESC): [ ] 2 Year [ ] 3 Year [ ] 5 Year
European Certifications
- European Union Certification
- Eurasian Conformity (EAC) mark
- EU Declaration of Conformity
- European Directive genset, DoI (Declaration of Incorporation)
- Eurasian Conformity (EAC) mark
- European Union Certification
- European Directive genset, DoI (Declaration of Incorporation)
- EU Declaration of Conformity
Exhaust System
- Through-wall installation kit
- Mufflers
- Flexible fittings
- Muffler mounting kits
- Through-wall installation kit
- Muffler mounting kits
- Mufflers
- Flexible fittings
Fuel System
- Primary fuel filter
- Primary fuel filter
Generators and Attachments
- 1500 RPM, 380/400/415volts @ 50 Hz, 3 phase, Form wound, Permanent magnet excitation (PMG), No. of leads = 6, pitch= 0.6667
- Space heater
- Generator conversion
- 1500 RPM, 380/400/415volts @ 50 Hz, 3 phase, random wound, Internal excitation (IE), No. of leads = 6, pitch= 0.6667
- 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, random wound, Permanent magnet excitation (PMG), No. of leads = 6, pitch= 0.6667
- Generator conversion
- 1500 RPM, 380/400/415volts @ 50 Hz, 3 phase, random wound, Internal excitation (IE), 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
- Space heater
Instrumentation
- Pyrometer and thermocouples
Lube System
- Manual prelube sump pumps
- Oil level reg-1 shallow pan
- Electric prelube pumps
- Manual prelube sump pumps
Mounting System
- Spring type vibration isolators
- IBC vibration isolators
- IBC vibration isolators
- Spring type vibration isolators
Protection System
- Explosion relief valves
- Explosion relief valves
Special Tests / Reports
- IBC seismic Certifications
- PGS Test report @ 0.80 power factor
- Neutral ground-LV
- PGS Test report @ 1.0 power factor
- Neutral grounding connection
- PGS Test report @ 1.0 power factor
- Neutral ground-LV
- Neutral grounding connection
- IBC seismic Certifications
- PGS Test report @ 0.80 power factor
Starting / Charging Systems
- Ether starting aid
- 20 Amp Battery charger
- Oversize battery set
- 10 Amp Battery chargers
- 24 Volt dual electric starting motor
- Jacket water heaters
- 24 Volt dual electric starting motor
- Jacket water heaters
- Ether starting aid
- Oversize battery set
- 10 Amp Battery chargers
- 20 Amp Battery charger
General
- Seismic Certification per applicable building codes: IBC 2000, IBC 2003, IBC 2006, IBC 2009, CBC 2007
- UL 2200 package
- The following options are based on regional and product configuration:
- Engine barring group
- Engine barring group
Cat Switchgear
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