Totally Enclosed Fan Cooled Motor

National Motors’ NM Series consists of motors designed for fire pump applications as specified in NFPA 20 (Standard for the Installation of Stationary Pumps for Fire Protection). They are designed as per the requirements of NEMA MG-1 standard Design B. Totally Enclosed Fan Cooled Enclosures provide better protection from the outside environment including dust, airborne contaminants, and many other weather disturbances. The enclosed casing of TEFC motor seals the inner windings, contacts, and bearings from external sources such as dust and grit.

National Motor’s also offers totally enclosed fan cooled squirrel-cage induction motors that are designed and manufactured to meet or exceed the latest IEC standards where UL certification are not mandatory. This range offers a variety of induction motors with a power rating of 0.75 kW to high powered motor providing 315 kW.