ABB MNS-MCC - Tightening Torque; Torque Application Introduction; Withdrawable Unit Terminal Block Torques

44 MNS-MCC LOW VOLTAGE MOTOR CONTROL CENTER
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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.
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Table 5. Tightening torque
Main Bus Splice Links Recommended Torque
Component
Description Size Recommended Torque Nm
Main Horizontal Bus
Splice Links  
Horizontal Ground
Splice Links  
Neutral Horizontal
Bus Splice Links  
Withdrawable Unit’s Terminal block
Component
Description Size
Recommended Torque
Nm
Control Terminal
Block Screw-type 
Power Cable
Connection Unit
 Screw-type 
Power Cable
Connection Unit

Accepts ring
tongue
terminals 