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450REZXB, 60 Hz, KOHLER Natural Gas Generator

450REZXB, 60 Hz, KOHLER Natural Gas Generator

Contact our Industrial Generators Team 

or call (860) 844-2218


Standby Range (kW/kVA) 450/562
Fuel Type Natural Gas
Frequency 60 Hz
Speed 1800 RPM
Alternator Type Brushless, Permanent-Magnet Pilot Exciter
Engine Manufacturer Doosan
Emissions US EPA (Certified) Stationary Emergency


 Dimensional Drawing  Dimensional Drawing  Enclosure Drawing  Enclosure Specification Sheet  Engine Operation Manual  Generator Operation Manual  Generator Operation Manual  Specification Sheet


  • KOHLER Co. provides one-source responsibility for the generating systems and accessories
  • The generator set and its components are prototype-tested, factory-built, and production-tested
  • The 60 Hz generator set offers a UL 2200 listing
  • The 60 Hz generator set meets NFPA 110, Level 1, when equipped with the necessary accessories and installed per NFPA standards
  • A one-year limited warranty covers all systems and components. Two- and five-year extended warranties are also available
  • Environmental Protection Certified for Stationary Emergency applications


  • Hurricane-rated enclosures available


  • The pilot-excited, permanent-magnet (PM) alternator provides superior short-circuit capability
  • The brushless, rotating-field alternator has broad range reconnectability
  • NEMA MG1, IEEE, and ANSI standards compliance for temperature rise and motor starting
  • Sustained short-circuit current of up to 300% of the rated current for up to 10 seconds and enables down stream circuit breakers to trip without collapsing the alternator field
  • Self-ventilated and dripproof construction