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4 4
M N S - M C C LO W V O LTA G E M OTO R C O N T R O L C E N T E R
—
Tightening torque
Warning: Heat generated by improper terminal
torque is one of the leading causes of equipment
failure.
Product assembly torque application introduction
The following torque tables apply to horizontal
and vertical bus bar screw connections, electrical
component screw connections, terminal
connections and structural components
of the MCC.
Note: For equipment connections and mountings,
see the manufacturer's technical data sheets.
—
Table 5. Tightening torque
Main Bus Splice Links Recommended Torque
Component
Description
Size
Main Horizontal Bus
Splice Links
M12
Horizontal Ground
Splice Links
M8
Neutral Horizontal
Bus Splice Links
M12
Withdrawable Unit's Terminal block
Component
Description
Size
Control Terminal
Block
Screw-type
Power Cable
Connection Unit
(CCU 40)
Screw-type
Power Cable
Accepts ring
Connection Unit
tongue
(CCU 300)
terminals
Recommended Torque Nm
70
22.4
70
Recommended Torque
Nm
0.8
6
35
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