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Hazardous Location Motors

Certain locations are deemed hazardous because the atmosphere either does or may contain gas, vapor or dust in explosive quantities. The National Electrical Code (NEC®†) divides these locations into Classes and Groups according to the type of explosive agent which may be present. Listed are some of the agents in each classification. For a complete list, see NFPA (National Fire Protection Association) publication 487M. Underwriters’ Laboratories (UL®†) tests motors and other devices for use in explosive atmospheres and publishes a list of those meeting its standards for each Class and Group. Use of UL®† listed devices does not necessarily make an installation conform to the NEC®† or local codes. Consult Chapter 5 of the NEC®† local building codes, OSHA requirements and insurance inspectors for detailed data as to proper procedures.

U.S. MOTORS® hazardous location, three-phase motors are designed for industrial equipment including pumps, fans, blowers, compressors, conveyors in hazardous locations as identified by class and group. They meet industry expectations for service standards and quality. These three-phase motors include NEMA Premium®† efficiency, WORLD MOTOR® features (where noted) , a 1.0 or 1.15 service factor (as applicable) and meet other NEMA standard requirements including 40°C ambient conditions, Class F insulation, NEMA Design B. These motors are usable up to 3,300 feet above sea level. Stocked hazardous location motors are available from 1 – 200 HP in 3600/1800/1200 and 900 RPM. Hazardous location motors are offered in NEMA Premium®† efficient, basic product types LE and LCE . All copper windings and low-loss stator laminations provide maximum efficiency.

Highlights

  • Type LE Dual Label NEMA Premium®†
  • Type LCE Single Label NEMA Premium®† CORRO-DUTY®

Product Data Sheets

† All non-Nidec Motor Corporation marks shown within this document are properties of their respective owners.