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3512B (60 Hz)

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Overview

The 3512B diesel generator sets have been developed meet your mission critical, continuous, standby and prime applications. Producing reliable power from 1230 to 1500 ekW at 60 Hz, each generator set is designed to meet ISO 8528-5 transient response requirements and accept 100 percent rated load in one step. Our 3512B generator sets are designed for either low fuel consumption or low emissions and with our integrated control system, including ATS and switchgear keeps power supply consistent and keeps you connected to your fleet with on-site and remote monitoring options. Get management and diagnostics tools in one, with our EMCP 4 control panel options, all designed with a user-friendly interface. It's not just quality that matters but customization, choose from a broad range of accessories and bolt-on system expansion attachments. Discover our upgradeable packaging options to work with your spatial restrictions and environmental conditions. Our 3512B generator sets are developed for such prerequisites, so that you can meet your specific power needs. For added safety select from one of the UL 2200 and CSA certified package options.

Generator Set Specifications

  • Minimum Rating 1230 ekW 1230 ekW
  • Maximum Rating 1500 ekW 1500 ekW
  • Emissions/Fuel Strategy Low Fuel Consumption, Low Emissions Low Fuel Consumption, Low Emissions
  • Voltage 220 to 13800 Volts 220 to 13800 Volts
  • Frequency 60 Hz 60 Hz
  • Speed 1800 rpm 1800 rpm
  • Duty Cycle Standby, Mission Critical, Prime, Continuous Standby, Mission Critical, Prime, Continuous

Engine Specifications

  • Engine Model 3512B TA, V-12, 4-Stroke Water-Cooled Diesel 3512B TA, V-12, 4-Stroke Water-Cooled Diesel
  • Bore 6.69 in 170.0 mm
  • Stroke 7.48 in 190.0 mm
  • Displacement 3573.55 in 58.56 l
  • Compression Ratio 14.0:1 Std 15.5:1 HD 14.0:1 Std 15.5:1 HD
  • Aspiration TA TA
  • Fuel System Electronic Unit Injection Electronic Unit Injection
  • Governor Type Adem™3 Adem™3

Generator Set Dimensions

  • Length - Maximum 221.9 in 5637.5 mm
  • Width - Maximum 90.0 in 2286.0 mm
  • Height - Maximum 93.2 in 2367.2 mm
  • Dry Weight - Genset (minimum) 24430.0 lb 25090.0 kg
  • Dry Weight - Genset (maximum) 25090.0 lb 11380.0 kg

3512B (60 Hz) Standard Equipment

Air Inlet System

  • Air cleaner; single element canister type with service indicator

Control System

  • EMCP 4.2B
  • Emergency stop pushbutton
  • 24 Volt DC operation
  • Environmental sealed front face
  • Text alarm/event descriptions
  • Generator mounted - rear facing
  • Generator set packages include Caterpillar' s Voltage Regulator (IVR). IVR includes reactive droop capability, 3-phase voltage sensing, KVAR / PF modes, RFI suppression, min max exciter. Limiter and exciter diode monitor
  • Controls:
  • Speed adjust
  • Auto / start / stop control
  • Engine cool-down timer
  • Engine cycle crank
  • Alarm acknowledge
  • Lamp test
  • Load histogram feature
  • PLC functionality
  • Customizable screens
  • True RMS AC metering, 3-phase, +/-2% accuracy
  • Digital indication for:
  • RPM
  • DC volts
  • Oil pressure (psi, kPa or bar)
  • Coolant temperature
  • Volts (L-L & L-N)
  • Frequency (Hz)
  • Amps (per phase & average)
  • Power factor (per phase & average)
  • kW (per phase, average & percent)
  • kVA (per phase, average & percent)
  • kVAr (per phase, average & percent)
  • kW-hr (total)
  • kVAr-hr (total)
  • Warning / shutdown with common LED indication of shutdowns for:
  • Low oil pressure
  • High coolant temperature
  • Overspeed
  • Emergency stop
  • Failure to start (overcrank)
  • Low coolant temperature
  • Low coolant level
  • Programmable protective relaying functions:
  • Generator phase sequence
  • Over / under voltage (27 / 59)
  • Over / under frequency (81 o/u)
  • Reverse Power (kW) (32)
  • Reverse reactive power (kVAr) (32RV)
     
  • Overcurrent (50 / 51)
  • Communications
  • Cat Connect
  • Customer data link (Modbus RTU)
  • Accessory module data link
  • Number of I/O varies on options selected
  • 4 Programmable relay outputs (Form A)
     
  • 1 Programmable relay outputs (Form C)
     
  • 1 Programmable digital outputs
     

Cooling System

  • SCAC
  • Radiator fan and fan drive
  • Fan and belt guards
  • Coolant drain line with valve
  • Coolant level sensors (Not included with packages without radiator)
  • Caterpillar Extended Life Coolant (Not included with packages without radiator, installed SF44CTS

Exhaust System

  • Dry Exhaust Manifold
  • Flanged faced outlet(s)

Fuel System

  • Secondary fuel filters
  • Fuel cooler; not included with packages without radiator
  • Flexible fuel lines - shipped loose
  • Fuel priming pump

Generators and Attachments

  • 3 Phase brushless, salient pole
     
  • 6 Leads
     
  • Low voltage:
     
  • Random wound
  • Internal excitation
  • NEMA Class H insulation, Class H temperature rise at 40C ambient (125C prime / 150C standby)
  • Bus bar connections, top center mounted, top cable entry
  • NEMA standard hole pattern
  • Medium voltage:
  • Form wound
  • Permanent magnet
  • Winding temperature detectors
  • NEMA Class H insulation, Class H temperature rise at 40C ambient (125C prime / 150C standby)
  • Bus bar connections, right side extension box, bottom cable entry
  • NEMA standard hole pattern
  • High Voltage
  • Class H insulation, Class F temperature rise at 40C ambient (105C prime / 130C standby)
     
  • NEMA standard hole pattern

Governing System

  • ADEM III

Literature

  • English

Lube System

  • Lubricating oil
  • Gear type lube oil pump
  • Integral lube oil cooler
  • Oil filter, filler and dipstick
  • Oil drain lines and valve
  • Fumes disposal

Mounting System

  • Rubber anti-vibration mounts (shipped loose)

Starting / Charging System

  • 24 Volt electric starting motor
  • 45 Amp charging alternator
  • Battery and battery rack w/cables
  • Battery disconnect switch

General

  • Paint: Caterpillar yellow with high gloss black rails & radiator
  • Right hand servicing
  • Flywheel and Flywheel housing-SAE No. 00
  • SAE Standard Rotation

3512B (60 Hz) Optional Equipment

Control Panels

  • EMCP 4.3, EMCP 4.4

Air Inlet System

  • Single element filter
  • Heavy duty air cleaner

Cooling System

  • Standard installed radiators
  • Standard installed ATAAC radiators
  • Optional installed radicators
  • Optional installed ATAAC radiators
  • Water level switch gauges
  • Coolant

Exhaust System

  • Elbows
  • Flange and exhaust expanders
  • Flanges
  • Flexible fittings
  • Y Adapters
  • Mufflers

Fuel System

  • Primary fuel filter

General

  • US aid emblem

Generators and Attachments

  • Low Voltage: 380,440 / 480 Volts, 3 Phase, 1800 rpm
  • RW, IE, 6 leads, Pitch 0.6667
  • 1400, 1600, 2700 Frames
  • Space heater
  • Generator conversion from IE to PM
  • Differential current transformers (DCT) 15 kV class
  • Differential current transformers (DCT) 8.7 kV class
  • Generator air cleaner

Instrumentation

  • Pyrometer and thermocouples
  • Wiring GP W/O cyl sensors

Lube System

  • Lubrication oil in standard sump
  • Oil drains
  • Oil level regulator
  • Prelube pumps

Crankcase Protection

  • No explosion relief valves
  • No crankcase explosion relief valve
  • Explosion relief valve
  • Crankcase ventilation system

Mounting System

  • Puck style low efficiency isolators
  • Spring type vibration isolators
  • IBC vibration isolators

Power Connections

  • Grounding groups
  • Neutral ground connections
  • Center post buss bar
  • Right side power connections
  • Cable entry - Right side
  • Left side power connections
  • Rear power connections
  • 6 Leads, 6 terminal option
  • 1600 ,2000, 2500, 3000, 4000 Amp, 3 Pole, UL-100% rated circuit breakers
  • 2000, 2500,3200 Amp, 3 Pole, IEC Rated Circuit Breakers
  • 2000, 2500 Amp, 4 Pole, IEC Rated Circuit Breakers

Special Tests / Reports

  • CSA certification
  • IBC seismic certification
  • PGS test report @ 1.0 power factor
  • PGS test report @ 0.8 power factor
  • Standard engine test charge
  • Generator test report
  • Fuel consumption test
  • Generator fuel consumption test
  • Torsional vibration analysis

Starting / Charging System

  • Engine barring device
  • Batteries, racks and cables:
  • 24 Volt battery set - Dry
  • 10 Amp battery charger
  • 35 Amp battery charger
  • Electric starting motors
  • Air starting motor
  • Starter covers
  • Air pressure regulator
  • Jacket water heaters

Cat Generator Set Package

  • Cat generator set packages have been fully prototype tested
  • Accepts 100% block load in one step and meets other 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
  • Alternator

    SR5

  • 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
  • Certifications

  • UL2200
  • CSA Certified
  • IBC seismic certification
  • OSHPD pre-approval
  • 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
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