Transformer Cooling Fan
(General Specifications of Transformer Cooling Fan)

Motors

• Weatherproof enclosure (totally enclosed) a shaft water slinger and 4 x M5 drain holes to allow condensation to drain, regardless of the mounting position.
• Class F insulation with Calss B temperature rise for longer motor life.
• Sealed ball bearings permanently lubricated with heavy duty grease rated -540℃ to 1940℃
• Motors are painted with 75 microns of high quality, gray (Munsell no. 5Y 7/1), outdoor epoxy.

Guards & Housings

• The Fans feature basket type guards. They featrure a high efficiency, venturi-type housing.
• All fans are fully guarded and meet OSHA requirements.
• Terminal Box connection Type
• Painted, Hot dip galvanized or Stainless Steel guards are available on request.

Fan Blades

• Fan blades feature one-piece cast aluminum fan blades for high efficiency and quiet operation.
• All Fans feature a heavy duty fabricated fan blade with aluminum wings and steel hub.
• All fan blades are machine balanced to rigid tolerances.
• The Stainless Steel blade is available on request.