Saturday, February 21, 2009

4)Termination

1. Cleaning: Terminal of the ACB which is plated has to be cleaned with cloth only.



2. Disposition: The busbars are to be disposed at the terminals in the following manner after which auto minimum gap equal to the thickness of the busbars to be maintained during the subsequent run.

3. JOINT : When joining busbars, the overlap of the busbars must be equal to the width of the busbar




4. BENDING: The bending radius for busbar should be as follows



5. TORQUE: When terminating busbars at the terminals, they should be tightened with “Conical Spring Washer DIN 6796-X Spring Steel” x = dia of corresponding bolt in mm. These are locally available. The tightening torque of the bolts used for tightening the busbars should be of 8.8class as per the following table :




6. SLITTING:
The busbars should be slit according to the picture for better joint and alignment.





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