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3512A Generator Set

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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

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

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

Generator Set Specifications
Minimum Rating 1000 kVA
Maximum Rating 1400 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
Engine Specifications
Engine Model 3512 TA, V-12, 4-Stroke Water-Cooled Diesel
Bore 170 mm (6.69 in)
Stroke 190 mm (7.48 in)
Displacement 51.8 l (3161.03 inu00b3)
Compression Ratio 13.5:1
Aspiration TA
Fuel System Direct Unit Injection
Governor Type Woodward
Generator Set Dimensions
Length - Minimum 5165 mm (203.5 in)
Length - Maximum 5269 mm (207.5 in)
Width - Maximum 2015 mm (79.3 in)
Height - Maximum 2336 mm (92 in)
Dry Weight - Genset (minimum) 10224 kg (22540 lb)
Dry Weight - Genset (maximum) 10460 kg (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:
    • Co olant 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 controls including:
    • 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 including:
    • 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, 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
    • 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, 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
    • 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: [ ] Bus Bar [ ] 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, No. of leads = 6, pitch= 0.6667
    • Space heater
    • Generator conversion
    • 1500 RPM, 380/400/415volts @ 50 Hz, 3 phase, random wound, internal excitation, No. of leads = 6, pitch= 0.6667
    • 1500 RPM, 380/400/415volts @ 50 Hz, 3 phase, random wound, permanent magnet, No. of leads = 6, pitch= 0.6667
    • 1500 RPM, 380/400/415volts @ 50 Hz, 3 phase, random wound, permanent magnet, No. of leads = 6, pitch= 0.6667
    • Generator conversion
    • 1500 RPM, 380/400/415volts @ 50 Hz, 3 phase, random wound, internal excitation, No. of leads = 6, pitch= 0.6667
    • 1500 RPM, 380/400/415volts @ 50 Hz, 3 phase, form wound, permanent magnet, 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 isolator
    • IBC vibration isolators
    • IBC vibration isolators
    • Spring-type vibration isolator
  • Protection System
    • Explosion relief valve
    • Explosion relief valve
  • 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

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