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3512B (50 Hz)

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Overview

The 3512B diesel generator sets have been developed to meet your mission critical, continuous, standby and prime applications. Producing reliable power from 1360 to 1875 kVA at 50 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. 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 demands,so that you can meet your specific power needs.

Generator Set Specifications

  • Minimum Rating 1320 kVA 1320 kVA
  • Maximum Rating 1875 kVA 1875 kVA
  • Emissions/Fuel Strategy Low Fuel Consumption, Low Emissions Low Fuel Consumption, Low Emissions
  • Voltage 220 to 13800 Volts 220 to 13800 Volts
  • Frequency 50 Hz 50 Hz
  • Speed 1500 rpm 1500 rpm
  • Duty Cycle Standby, Mission Critical, Prime Standby, Mission Critical, Prime

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
  • Stroke - HD 215.0 mm
  • Displacement 3161.03 in 51.8 l
  • Displacement - HD 3573.55 in³ 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 - Minimum 206.6 in 5249.0 mm
  • Length - Maximum 215.3 in 5469.0 mm
  • Width - Minimum 77.8 in 1975.0 mm
  • Width - Maximum 90.0 in 2286.0 mm
  • Height - Maximum 93.2 in 2367.0 mm
  • Dry Weight - Genset (minimum) 25010.0 lb 11350.0 kg
  • Dry Weight - Genset (maximum) 26840.0 lb 12180.0 kg

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

  • IBC Seismic Certification
  • EU Declaration of Conformity
  • EEC Declaration of Conformity (EAC)

    • 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

    • 3512B (50 Hz) Standard Equipment

    Air Inlet System

    • Aingle element canister type air cleaner with service indicator

    Control Panel

    • EMCP 4.2
    • Emergency stop button
    • 24 Volt DC operation
    • Environmental sealed front face
    • Text alarm / event descriptions
    • Generator mounted - rear facing
    • 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
    • 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, shipped loose radiators or heat exchangers)

    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
    • Generator set packages include: Regulator (CDVR)
    • Caterpillar's Digital Voltage Regulator (CDVR) includes:
    • Reactive droop capability
    • 3 Phase voltage sensing
    • KVAR / PF modes
    • RFI suppression
    • Min / max exciter limiter
    • Exciter diode monitor
    • LV:
    • Random wound
    • Internal Excitation
    • 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
    • 50 Hz models: IEC standard hole pattern
    • Note: 1800 frames are form wound, permanent magnet, with winding temp detectors

    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
    • 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

    3512B (50 Hz) Optional Equipment

    Air Inlet System

    • Dual element air cleaners
    • Remote air inlet adaptors
    • Air Inlet protection

    Circuit Breakers

    • Optional busbar power connections
    • Breaker harnesses
    • Center posts busbars
    • Cable entry options
    • Controls packaging - Enclosures
    • EMAX circuit breakers
    • 2000, 2500, 3200 and 4000 Amp, 3 pole, IEC rated circuit breakers
    • 2000, 2500, 3200 and 4000 Amp, 4 pole, IEC rated circuit breakers
    • Busbar connections
    • EMAX breakers connections

    Control Panels

    • EMCP 4.3, EMCP 4.4
    • Customer connection mounting locations
    • Annunciator modules
    • Governors
    • Mounting group - External box clips
    • Auxiliary boxes
    • Customer interface options
    • Generator temperature monitoring
    • Remote speed adjust
    • Vandle proof panel door
    • Local PC monitoring
    • Ground (Automatically selected)

    Cooling System

    • Optional radiator arrangements
    • Water level switch gauges
    • Heat exchangers

    European Certifications

    • European Union certification
    • EU declaration of conformity
    • Eurasian conformity (EAC) mark
    • European directive genset, DoI (Declaration of Incorporation)

    Exhaust System

    • Mufflers
    • Muffler mounting kits
    • Flexible fittings
    • Through-wall installation kit

    Fuel System

    • Primary fuel filter

    Generators and Attachments

    • 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, form wound, permanent magnet, No. of leads = 6, pitch= 0.6667
    • Generator conversion
    • Space heater

    Instrumentation

    • Pyrometer and thermocouples

    Lube System

    • Oil level Reg-1 shallow pan
    • Electric prelube pumps
    • Manual prelube sump pumps

    Mounting System

    • Spring-type vibration isolator
    • IBC vibration isolators

    Protection System

    • Explosion relief valve

    Special Tests / Reports

    • Neutral grounding connection
    • Neutral ground-LV
    • PGS test report @ 1.0 power factor
    • PGS test report @ 0.80 power factor
    • IBC seismic certifications

    Starting / Charging System

    • 10 Amp battery chargers
    • 20 Amp battery charger
    • Oversize battery set
    • 24 Volt dual electric starting motor
    • Ether starting aid
    • Jacket water heaters

    General

    • Engine barring group

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