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Bharat Bijilee

High Efficiency IE2 Squirrel Cage TEFC Motors

₹132.00

Conformance to Standards
All motors comply with the following Indian and international standards:

IS 325

Three phase Induction motors-specification

IS:900

Code of practice for installation and maintenance of induction motors

IS 1231

Dimension of three-phase foot mounted A.C. Induction motors

IS 2223

Dimensions of flange mounted A.C. induction motors

IS:4029

Guide for testing three phase induction motors

IS:4691

Degree of protection provided by Enclosures for Rotating Electrical Machinery

IS:6362

Designation of methods of cooling for rotating electrical machines

IS 12065

Permissible limits of noise level for rotating electrical machines

IS 12075

Mechanical vibration of rotating electrical machines

IEC 60045-1, 5

Rotating electrical machines - Rating and performance, degrees of protection

IEC 60072

Dimension and output ratings of rotating electrical machines

Salient features of TEFC Standard Motors:

  • BBL motors can be continuously overloaded by 10% or can be used up to ambient temperature of 55°C. Temperature rise will be as per Class F limits

  • All motors are with degree of protection IP55

  • All motors up to 280M frame are designed for 50°C ambient

  • 2Z Bearings are standard up to 180L frame which are filled with high temperature grease suitable up to 140°C

  • On line re greasing provided from frame 225 onwards

  • SKF or equivalent make bearings are used and directly procured from the bearing manufacturers

  • Terminal boxes are large and can be rotated in steps of 90

  • Terminal Box location can be changed from RHS to LHS at site

  • Rotors are dynamically balanced with half key

  • All foot mounted motors are with integral cast feet

  • Outer bearing covers are integral with end shield / flange

  • V Rings are used in IP55 motors and no reduction in efficiencies as compared to IP44 motors

  • Additional anti tracking protective coating of air drying varnish is applied on the winding overhangs

  • Cooling fans are of aerodynamic design resulting in low noise and are bi-directional

  • Standard Motors are suitable for mounting with any shaft orientation