3512 (60 Hz) with Upgradeable Package

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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 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
  • IBC seismic certification
  • OSHPD pre-approval
  • EEC Declaration of 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
  • 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
  • 3512 (60 Hz) with Upgradeable Package Standard Equipment

    Air Inlet System
    • Air cleaner; single element canister type with service indicator

    Control Panel
    • EMCP 4.2
    • 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
    • True RMS AC metering, 3-phase, +/-2% accuracy
    • Digital indication for:
    • RPM
    • DC volts
    • Operating hours
    • 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:
    • Customer data link (Modbus RTU)
    • Accessory module data link
    • Serial annunciator module data link
    • 6 programmable digital inputs
    • 4 programmable relay outputs (Form A)
    • 2 programmable relay outputs (Form C)
    • 2 programmable digital outputs

    Cooling System
    • JWAC
    • 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, shipped loose radiators or heat exchangers)

    Exhaust
    • 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 Lead
    • LV:
    • Random wound
    • Internal excitation or permanent magnet
    • NEMA Class H insulation
    • Class H temperature rise at 40C ambient (125C prime / 150C standby)
    • Winding temperature detectors
    • Busbar connections, top center mounted, top cable entry
    • 60 Hz models: NEMA standard hole pattern

    Governing System
    • Woodward 2301A isochronous governor

    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
    • Rails - engine/generator/radiator mounting
    • Rubber anti-vibration mounts (shipped loose)

    Starting / Charging System
    • 24-volt electric starting motor
    • 50 Amp charging alternator
    • Battery and battery rack w/cables
    • Battery disconnect switch

    General
    • Paint - Caterpillar yellow with high gloss black rails & radiator
    • RH Service
    • Flywheel and Flywheel housing-SAE No. 00
    • SAE Standard Rotation

    3512 (60 Hz) with Upgradeable Package Optional Equipment

    Air Inlet System
    • Single stage air cleaners
    • Dual element air filters

    Control Panels
    • EMCP 4.2B, EMCP 4.3, EMCP 4.4
    • Vandle proof panel door
    • Modbus monitoring of packages
    • First local annunciator
    • Remote custom annunicator
    • CAN2 Network equipment
    • Cat connect
    • Local discrete I/O package
    • Load share module options

    Cooling System
    • Optional radiator arrangements
    • Water level gauge
    • Coolant

    Exhaust System
    • Industrial grade (15 db) mufflers
    • Exhaust Y adapters
    • Exhaust flexible fitting
    • Exhaust elbows

    Generators and Attachments
    • Space heater
    • Space heater control
    • Generator conversion

    Lube System
    • Lube oil
    • Prelube sump pump
    • Oil level regulator
    • Primary fuel systems

    Special Tests / Reports
    • Generator test report
    • Standard genset TVA report
    • Genset tors vibration analysis
    • Standard engine test charge
    • PKG factory test report
    • PGS test report @ 1.0 power factor
    • Fuel consumption test

    Crankcase System
    • Ventilation system
    • Protection systems

    Batteries and Battery Housing
    • 24 Volt battery set - Dry
    • Battery chargers - 10, 20 and 35 amp

    Mounting System
    • Puck style low efficiency lsolators
    • Spring type vibration isolator

    Overview

    The 3512 diesel generator sets with ugradeable packaging have been developed to meet your mission critical, continuous, standby and prime applications. Producing reliable power from 890 to 1250 eKW 60 Hz, each generator set is designed to meet ISO 8528-5 transient response requirements and to accept 100 percent rated load in one step. Our integrated control system keeps you connected through on-site and remote monitoring options. We offer easy-to-use EMCP control panel options, combining your management and diagnostic tools in one step. The EMCP4 control panel provides a flexible control platform, with an easy-to-use display — it's your single source for management and diagnostics tools. The EMCP 4.4 controller provides multi-generator set paralleling capability, giving you the ability to add generator sets to match your growing power requirements. It's not just quality that matters but customization, choose from a broad range of accessories and bolt-on system expansion attachments. Discover our flexible packaging options to work with your spatial restrictions and environmental conditions. Our 3512 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

    Units:
    Minimum Rating 890 eKW 890 eKW Less
    Maximum Rating 1250 eKW 1250 eKW Less
    Emissions/Fuel Strategy Optimized for Low Fuel Consumption Optimized for Low Fuel Consumption Less
    Voltage 220 to 13800 Volts 220 to 13800 Volts Less
    Frequency 60 Hz 60 Hz Less
    Speed 1800 rpm 1800 rpm Less
    Duty Cycle Standby, Mission Critical, Prime, Continuous Standby, Mission Critical, Prime, Continuous Less

    Engine Specifications

    Engine Model 3512A, V-12, 4-Stroke Water-Cooled Diesel 3512A, V-12, 4-Stroke Water-Cooled Diesel Less
    Bore 6.69 in 170.0 mm Less
    Stroke 7.48 in 190.0 mm Less
    Displacement 3161.03 in³ 51.8 l Less
    Compression Ratio 13.5:1 13.5:1 Less
    Aspiration TA TA Less
    Fuel System MUI MUI Less
    Governor Type Woodward Woodward Less

    Generator Set Dimensions

    Length - Maximum 203.5 in 5169.0 mm Less
    Width - Maximum 79.3 in 2015.0 mm Less
    Height - Maximum 92.0 in 2336.0 mm Less
    Dry Weight - Genset (minimum) 22099.0 lb 10024.0 kg Less
    Dry Weight - Genset (maximum) 22540.0 lb 10224.0 kg Less

    Why Choose Cat® Electric Power?

    Caterpillar offers a comprehensive variety of electric power systems, customised to fit your needs. Our specialised systems deliver high power and performance in industries across the globe. With Caterpillar, you get outstanding manufacturing quality, expert support, and the essential tools and applications to complete any project.

    Learn More About Electric Power

    EMCP 4 Generator Set Controls

    Cat generator sets provide a complete factory-built solution with fully featured standard and advanced controls. Optional accessories enhance the capabilities of the genset package-mounted control system.

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    Application Center

    Explore valuable resources for generator sizing, specification, and training materials. SpecSizer evaluates load types, collects data, and organises it to help you select the generator set that's best for you. Find product comparisons, technical data, product sizing, and more using our technical information portal (TIP) specifically created for consultants, architects, engineers, and owners.

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