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QSJ5.9G for Commercial Industrial



  • Gas engine – Rugged 4-cycle Cummins QSJ5.9G spark-ignited engine delivers reliable power. The electronic air/fuel ratio control provides optimum engine performance 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 and fault clearing short-circuit capability.
  • Control system – The PowerCommand® 1.1 electronic control is standard equipment and provides total generator set system integration including automatic remote starting/stopping, precise frequency and voltage regulation, alarm and status message display, output metering, auto-shutdown at fault detection and NFPA 110Level 1 compliance.
  • Cooling system – Standard cooling package provides reliable running at up to 50 °C (122 °F) ambient temperature.
  • Enclosures – The aesthetically appealing enclosure incorporates special designs that deliver one of the quietest generators of its kind. Aluminum material plus durable powder coat paint provides the best anti-corrosion performance. The generator set enclosure has been evaluated to withstand 180 MPH wind loads in accordance with ASCE7-10. The design has hinged doors to provide easy access for service and maintenance.
  • NFPA – The generator set accepts full rated load in a single step in accordance with NFPA 110 for Level 1 systems.

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Generator Model Hz Standby kVA / kW Fuel Type Certification Spec Sheet
C45N6 60 56 / 45 NG/Propane EPA+ NAS-6092
C50N6 60 63 / 50 NG/Propane EPA+ NAS-6092
C60N6 60 75 / 60 NG/Propane EPA+ NAS-6092
C70N6 60 88 / 70 NG/Propane EPA+ NAS-6092
C80N6 60 100 / 80 NG/Propane EPA+ NAS-6092
C100N6 60 125 / 100 NG/Propane EPA+ NAS-6092