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Natural Gas Generator, GTA28E, 400-500 kW, 60 Hz

Natural Gas Generator, GTA28E, 400-500 kW, 60 Hz


  • Cummins Heavy-Duty Engine - Rugged 4-cycle industrial spark-ignited engine delivers reliable power, low emissions, and fast response to load changes.
  • Alternator - Several alternator sizes offer selectable motor-starting capability with low reactance 2/3 pitch windings, low waveform distortion with non-linear loads, fault-clearing short-circuit capability, and class H insulation. The alternator electrical insulation system is UL1446 Recognized.
  • Control Systems - The PowerCommand® electronic control is standard equipment and provides total genset system integration, including automatic remote starting/stopping, precise voltage regulation, alarm and status message display, output metering, and autoshutdown at fault detection. PowerCommand® control is Listed to UL508.
  • Cooling System - Standard cooling package provides reliable running at the rated power level, at up to 104 °F ambient temperature.
  • Housings - Optional weather-protective housing and sound attenuation housing(s) are available.
  • Standards - C450N6 and C500N6B Generators are designed, manufactured and tested to relevant UL, NFPA, ISO and IEC standards. The alternator is certified to CSA 22.2. The controls are CSA C282-M1999 and 22.2 No.14 M91. PowerCommand® control is UL508 Listed.
  • Generator ModelHzStandby kVA / kWFuel TypeCertification
    C450N660500 / 400Natural GasEPA SI NSPS Certified
    C500N6B60625 / 500Natural GasEPA SI NSPS Certified
    C400N660500 / 500Natural GasEPA SI NSPS Certified
Technical specification
  • Unique ref.gta28e-natural-gas-generator
  • Product familyElectricity Generation Units
  • Product groupNatural Gas Generators
  • TypeObject (single object)
  • Date of publishing2023-02-06
  • Edition number1
  • Designed inUnited States
  • Manufactured inUnited States
  • BIMobject CategoryElectrical - Distribution
  • IFC classificationElectric Generator
  • ETIM CodeEC002823
  • ETIM NamePower generator
  • UNSPSC nameGas generators
  • UNSPSC code26111604
  • Uniclass 2015 CodePr_60_70_65_34
  • Uniclass 2015 DescriptionGenerator sets
  • CSI MasterFormat 2014 Code26 32 13.16
  • CSI MasterFormat 2014 TitleGas-Engine-Driven Generator Sets
  • OmniClass Number23-35 11 15 15
  • OmniClass TitleNatural Gas Generator Sets
  • CSI UniFormat II CodeD5010
  • CSI UniFormat II TitleElectrical Service and Distribution

Region availability

North America
United States