New | 3512B (50 Hz) Generator Set

Caterpillar is leading the power generation market with Power Solutions engineered to deliver unmatched flexibility, expandability, reliability, and cost-effectiveness.

Generator Set Specifications
Minimum Rating1320 kVA
Maximum Rating1875 kVA
Emissions/Fuel StrategyLow Fuel, Low Emissions
Voltage380 to 415 Volts
Frequency50 Hz
Speed1500 rpm
Duty CycleStandby, Mission Critical, Prime
Engine Specifications
Engine Model3512B TA, V-12, 4-Stroke Water-Cooled Diesel
Bore6.69 in
Stroke7.48 in
Stroke - HD8.46 in
Displacement3161.03 in
Displacement - HD3573.55 in³
Compression Ratio14.0:1 Std 15.5:1 HD
AspirationTA
Fuel SystemElectronic Unit Injection
Governor TypeAdem™3
Generator Set Dimensions
Length - Minimum206.6 in
Length - Maximum215.3 in
Width - Minimum77.8 in
Width - Maximum90 in
Height - Maximum93.2 in
Dry Weight - Genset (minimum)25010 lb
Dry Weight - Genset (maximum)26840 lb

  • 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

  • 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

  • superior Motor Starting Capability Minimizes Need For Oversizing Alternator
  • designed To Match Performance And Output Characteristics Of Cat Diesel Engines
  • robust Class H Insulation

  • 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

  • designed To Operate In Standard Ambient Temperatures Up To 50°c (122°f)
  • contact Your Cat Dealer For Specific Ambient And Altitude Capabilities

  • ibc Seismic Certification
  • eu Declaration Of Conformity
  • eu Declaration Of Incorporation
  • eu Eurasian Conformity (eac)

  • 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

  • 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

Standard Equipment

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
  • EMCP 4.2
  • 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 filter
  • 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
  • EMCP4.2B
  • 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
  • Bus Bar
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
  • 3-phase voltage sensing
  • Bus bar connections
  • min/max exciter
  • Caterpillar's Digital Voltage Regulator (CDVR)
  • RFI suppression
Literature
  • English
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, 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
  • 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

Optional Equipment

Air Inlet System
  • Air Inlet protection
  • Remote air inlet adaptors
  • Dual element air cleaners
Exhaust
  • Exhaust mufflers
Generator
  • Anti-condensation heater
  • Internal excitation (IE)
  • Permanent magnet excitation (PMG)
  • Oversize and premium generators
Circuit Breakers
  • Cable entry options
  • 2000, 2500, 3200 and 4000 Amp, 4 pole, IEC rated circuit breakers
  • Busbar connections
  • Center posts busbars
  • Controls packaging - Enclosures
  • 2000, 2500, 3200 and 4000 Amp, 3 pole, IEC rated circuit breakers
  • Optional busbar power connections
  • EMAX breakers connections
  • EMAX circuit breakers
  • Breaker harnesses
Power Termination
  • Circuit breakers, UL listed
  • Circuit breakers, IEC compliant
Control Panels
  • Annunciator modules
  • Customer connection mounting locations
  • Remote speed adjust
  • Local PC monitoring
  • Generator temperature monitoring
  • Auxiliary boxes
  • Governors
  • Customer interface options
  • EMCP 4.3, EMCP 4.4
  • Ground (Automatically selected)
  • Mounting group - External box clips
  • Vandle proof panel door
Mounting
  • Rubber anti-vibration mounts
  • IBC isolators
  • Spring-type vibration isolator
Starting/Charging
  • Oversize batteries
  • Air starting motor with control and silencer
  • Jacket water heater
  • Heavy-duty starting system
  • Charging alternator
  • Battery chargers
Cooling System
  • Water level switch gauges
  • Optional radiator arrangements
  • Heat exchangers
European Certifications
  • European Union certification
  • EU declaration of conformity
  • European directive genset, DoI (Declaration of Incorporation)
  • Eurasian conformity (EAC) mark
Exhaust System
  • Mufflers
  • Muffler mounting kits
  • Through-wall installation kit
  • Flexible fittings
Fuel System
  • Primary fuel filter
Generators and Attachments
  • Generator conversion
  • 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, form wound, permanent magnet, No. of leads = 6, pitch= 0.6667
  • 1500 RPM, 380/400/415volts @ 50 Hz, 3 phase, random wound, internal excitation, No. of leads = 6, pitch= 0.6667
  • Space heater
Instrumentation
  • Pyrometer and thermocouples
Lube System
  • Oil level Reg-1 shallow pan
  • Electric prelube pumps
  • Manual prelube sump pumps
Mounting System
  • IBC vibration isolators
  • Spring-type vibration isolator
Protection System
  • Explosion relief valve
Special Tests / Reports
  • PGS test report @ 0.80 power factor
  • Neutral ground-LV
  • IBC seismic certifications
  • PGS test report @ 1.0 power factor
  • Neutral grounding connection
Starting / Charging System
  • Oversize battery set
  • Jacket water heaters
  • 10 Amp battery chargers
  • Ether starting aid
  • 24 Volt dual electric starting motor
  • 20 Amp battery charger
General
  • Engine barring group

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With only a few days notice, we were able to get the emergency system working properly. Hawthorne Cat provided great leadership and excellent field support.
Mark Cripe
Helix Electric
"

San Diego - Power
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Engine Business Manager
858.376.6821 office
760.715.9565 mobile
kfarmer@hawthornecat.com

Tim Roberts
Product Support
General Manager
858.376.6820 office
858.583.8460 mobile
troberts@hawthornecat.com

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858.376.6840 office
858.688.0076 mobile
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858.376.6890 office
858.472.1852 mobile
jreid@hawthornecat.com

Hawaii – Power
Cliff Yuen
Director of Sales & Rentals
808.676.0322 office
808.349.7767 mobile
cyuen@hawthornecat.com

Guam – Power
Myver Hecita
Power Systems Rental &
Sales Representative
671.649.4241 office
671.898.2740 mobile
mhecita@hawthornecat.com