C175-20 (50 Hz)

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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
  • 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
  • Certifications

  • UL2200
  • IBC seismic certification
  • OSHPD pre-approval
  • EU Certification of Conformance (CE)
  • EEC Declaration of Conformity
  • One Safe Source

  • 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
  • C175-20 (50 Hz) Standard Equipment

    Air Inlet
    • 4 x Single element canister air cleaners with service indicator(s).

    Control Panel
    • EMCP 4.2
    • Emergency stop pushbutton
    • 24 Volt DC operation
    • Environmental sealed front face
    • Text alarm / event descriptions
    • Wall Mounted 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 Indicators
    • RPM
    • DC volts
    • Operating hours
    • Oil pressure (psi, kPa or bar)
    • Coolant temperature
    • Volts (L-L & L-N)
    • Frequency (Hz)
    • Amps (per phase & average)
    • Warning / shutdown Indicators
    • Low oil pressure
    • High coolant temperature
    • Overspeed
    • Emergency stop
    • Failure to start (overcrank)
    • Low coolant level
    • 4 Programmable relay Inputs
    • 4 Programmable relay output

    Cooling System
    • SCAC cooling
    • JW Inlet: 6" ANSI / JW Outlet: 5" Cat Flange
    • AC Inlet: 6" ANSI / AC Outlet: 3-1/2" ANSI
    • Coolant Sensors

    Exhaust
    • Dry exhaust manifold
    • Bolted flange (ANSI 6" & DIN 150) with bellow for each turbo (Qty 4). 50 Hz

    Fuel
    • Primary fuel filter water / fuel water separator
    • 10 Micron Spin On Type
    • Filters x 3
    • Secondary / tertiary fuel filters
    • 4 Micron spin on type
    • Engine mounted filters x 3

    Generators and Attachments
    • 3 Phase brushless
    • Salient Pole
    • 6 Leads
    • IEC Platinum Stator RTDs
    • Voltage Regulator:
    • Reactive droop capability
    • 3 Phase voltage sensing
    • RFI suppression
    • Min/max Exciter limiter
    • Exciter diode monitor
    • Form Wound
    • Permanent Magnet
    • NEMA Class H insulation
    • Class H temperature rise at 40C ambient
    • Anti condensation space Heater
    • Right side extension box, bottom cable entry

    Governing System
    • ADEM A4
    • Redundant Shutdown (Overspeed protection through a duplicate speed sensing system)

    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 Systems
    • Rails - Engine/Generator
    • Rubber anti-vibration mounts (shipped loose)

    Starting / Charging System
    • Dual 24 volt electric starting motors
    • Batteries and battery rack w/cables
    • Battery disconnect switch

    General
    • Paint - Caterpillar Yellow with high gloss black rails
    • Right hand service
    • SAE standard rotation

    C175-20 (50 Hz) Optional Equipment

    Air Inlet Systems
    • Single element air cleaner

    Control Panels
    • EMCP 4.3
    • EMCP and MV and HV power connection locations
    • Load share module
    • EMCP voltage and current sensing groups
    • Speed adjust
    • Annunciator modules
    • Customer interface options
    • Generator temperature monitoring
    • E-Stop
    • Interconnect harness
    • Generator harness
    • Modbus monitoring of packages
    • Vandal proof panel door

    Cooling System
    • Package mounted radiators
    • Remote radiators
    • Fuel cooler

    Crankcase Systems
    • Explosive relief valves
    • Crankcase ventilation system

    Exhaust System
    • Front housing - Standby or mission critical
    • Front housing - Prime or continuous
    • Exhaust collectors / Manifold
    • Mufflers (15, 25 and 34 dBA)

    Fuel System
    • Primary fuel filter

    Generators and Attachments
    • Medium voltage - 3000 Frames - 50 Hz, 3 phase, 1500 rpm, FW, PM, No of leads=6, Pitch 0.6667
    • Thermostat for space heater
    • Generator air cleaner
    • Differential current transformers - (5, 9 and 15 kV Class)

    Instrumentation
    • Pyrometer and thermocouples

    Lube System
    • Lube oil heater
    • Lube oil heater with crankcase explosion relief valve
    • Drain group oil pans
    • Lubricating oil
    • Electric prelube pumps
    • Oil filters

    Mounting System
    • Rubber anti-vibration mounts
    • Spring type linear vibration isolators
    • IBC vibration isolators - Shipped loose

    Special Tests / Reports
    • Generator test report
    • PGS test report @ 1.0 power factor
    • PGS test report @ 0.8 power factor
    • Standard genset TVA (Torsional Vibration Analysis) report
    • Custom genset TVA report
    • Special test charge - Engine only
    • Genset fuel consumption test
    • Standard engine test charge

    Starting / Charging System
    • 24 Volt electric starting motors
    • Air starting motor
    • Air pressure regulator
    • Starter location covers
    • 24 Volt battery sets - Dry
    • 20, 35 and 50 Amp battery chargers
    • Charging alternators - Dry
    • Jacket water heaters

    General
    • Special paint - 3500, Colors (other than Caterpillar yellow) or high performance paints
    • US aid emblem
    • Service tools
    • Engine barring group
    • Manual
    • Engine barring Air powered
    • control GP - Air powered bar group

    Overview

    Producing reliable power from 3250 to 4000 kVA in 50 Hz, our 175-20 diesel generator sets are made to meet your mission critical, continuous, standby and prime applications. We've designed each to ISO 8528-5 transient response requirements and to accept 100 per cent rated load in one step. The generator set is optimized for low fuel consumption or low emissions.

    Generator Set Specifications

    Units:
    Minimum Rating 3150 kVA 3150 kVA Less
    Maximum Rating 4000 kVA 4000 kVA Less
    Emissions/Fuel Strategy Low Fuel Consumption, Low Emissions Low Fuel Consumption, Low Emissions Less
    Voltage 3300 to 11000 Volts 3300 to 11000 Volts Less
    Frequency 50 Hz 50 Hz Less
    Speed 1500 RPM 1500 RPM Less
    Duty Cycle Standby, Mission Critical, Prime, Continuous Standby, Mission Critical, Prime, Continuous Less

    Engine Specifications

    Engine Model C175-20 SCAC, V-20, 4-Stroke Water-Cooled Diesel C175-20 SCAC, V-20, 4-Stroke Water-Cooled Diesel Less
    Bore 6.89 in 175.0 mm Less
    Stroke 8.66 in 220.0 mm Less
    Displacement 6456.31 in³ 105.8 l Less
    Compression Ratio 15:03:01 15:03:01 Less
    Aspiration Turbo Aftercooled Turbo Aftercooled Less
    Fuel System Common Rail Common Rail Less
    Governor Type ADEM™ A4 ADEM™ A4 Less

    Generator Set Dimensions

    Length - Minimum 261.5 in 6642.8 mm Less
    Length - Maximum 330.6 in 8397.0 mm Less
    Width - Minimum 85.4 in 2170.2 mm Less
    Width - Maximum 330.6 in 8397.0 mm Less
    Height - Minimum 87.6 in 2224.3 mm Less
    Height - Maximum 150.7 in 3827.0 mm Less
    Dry Weight - Genset (minimum) 55100.0 lb 25000.0 kg Less
    Dry Weight - Genset (maximum) 66200.0 lb 30000.0 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

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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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