U-frame ac cast-iron motors are built with a premium Class F insulation system that has a maximum allowable operating temperature of 115C. The motors operate at temperatures 45 to 95C below the maximum allowable. This temperature difference provides a "thermal cushion" for long life in severe automotive and other industrial applications.
The Lincoln Electric Co., Motor Div., 22800 St. Clair Ave., Cleveland, OH 44117, FAX (216) 383-4730.
The Industrial Internet of Things may be going off the deep end in connecting everything on the plant floor. Some machines, bearings, or conveyors simply donít need to be monitored -- even if they can be.
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