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Text version of the page
| Section 6 | Product Data 1329R Motors | |||||||||||||||||||||||||||||||||||
| Construction Features Construction features of Allen-Bradley Variable Speed AC motors along with their associated benefits are detailed in the following cutaway view. | ||||||||||||||||||||||||||||||||||||
| 182 - 449T Frames TEFC - Typical Cast Iron Motor Features | ||||||||||||||||||||||||||||||||||||
| COMPUTER DESIGNED rotor assembly minimizes vibrations due to harmonics to increase motor life. Precisely cast aluminum conductor bars in the rotor yield good balance for low vibration and increased life. | ||||||||||||||||||||||||||||||||||||
| MODERN NON-HYGROSCOPIC INSULATION SYSTEM is designed to withstand temperatures greater than rated for longer service life. Windings are tested before and after insertion into frame. | ||||||||||||||||||||||||||||||||||||
| LUBRICATION AND PIPE PLUGS are provided in both front and back end shields to simplify maintenance | ||||||||||||||||||||||||||||||||||||
| Inner BEARING CAPS of cast iron provide close shaft to cap tolerance to protect against the entrance of contaminants. Standard on motors with Severe Duty Features. | ||||||||||||||||||||||||||||||||||||
| NON-SPARKING CORROSION RESISTANT and Bi-directional cooling fans produce lower operating temperatures for increased motor life. | ||||||||||||||||||||||||||||||||||||
| SHAFT RUN OUT is held to tight tolerances to give exacting dimensions. | ||||||||||||||||||||||||||||||||||||
| POSITIVE LUBRICATION SYSTEM (PLS) assures lubrication in all mounting positions for long reliable bearing life. | ||||||||||||||||||||||||||||||||||||
| INTEGRALLY CAST FRAME for overall strength | CAST IRON END SHIELDS provide durability. | |||||||||||||||||||||||||||||||||||
| PERMANENT NAMEPLATE records motor data for future — reference if replacement is necessary. | ||||||||||||||||||||||||||||||||||||
| and support reduces vibration and ensures accurate mounting dimensions. . OPEN BEARING CONSTRUCTION is used for increased load capabilities at lower operating temperature to extend the service life | ||||||||||||||||||||||||||||||||||||
| ROTATABLE DIAGONALLY SPLIT CONDUIT BOXES exceed N.E.C. and NEMA volume requirements for ease of connections. | ||||||||||||||||||||||||||||||||||||
| 145 | ||||||||||||||||||||||||||||||||||||