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Bharat Bijlee (BBL), Motors
CROMPTON STANDARD
Overview:
Bharat Bijlee has been a pioneer in the field of standard & special electric motors. This catalogue covers TEFC Standard and Energy Efficient 3 phase squirrel cage motors.
Technical Specification
Standard motors 0.12 KW (Frame 63) to 132 KW Type `MA’ (Frame 315M)
Energy Efficient Motors 1.1 KW (Frame 90S) to 18.5 KW
Type `MH’ (Frame 160L)
These motors can be continuously overloaded by 10% or can be used up to ambient temperature of 55°C, with class F temperature rise limits. Motors in frame size 63 to 132M are with aluminium pressure die cast body. Motors with frames 160M and above are with cast iron enclosures.
Features: 
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
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