E M A X LI N K 2 A B B R E V I ATE D
LV S W I TC H G E A R A P P L I C AT I O N G U I D E
25
—
Installation guidelines
Busbar torque values (Copper to copper)
Ground bars
Main busbar to insulation supports torque
Main busbar copper-to-copper torque
Frame and Enclosure Fasteners Torque
Ground bus connection
3/8-16" Hex head bolt & nut
Torque 20-25 lb-ft
1/2-13" Hex head bolt & nut
Torque 40-50 lb-ft
1/2-13" Hex head bolt & nut
Torque 40-50 lb-ft
1/2-13" Hex head bolt & nut
Torque 40-50 lb-ft
3/8-16" Hex head bolt & nut
Torque 20-25 lb-ft
3/8-16" Hex head bolt & nut
Torque 20-25 lb-ft
1/2-13" Hex head bolt & nut
Torque 40-50 lb-ft
1/2-13" Hex head bolt & nut
Torque 40-50 lb-ft
1/4-20" Tread
forming screw
Torque 4-6 lb-ft
Top horizontal
wireway door
Top plate
Lifting angles
Bottom plate
1/4-20" Hex head
bolt & nut
Torque 6-8 lb-ft
Cable lugpad
Base channel
Bottom horizontal
wireway door
Breaker
compartment
Instrument/
auxiliary/
empty
compartment
Rear door or rear
covers/cable
compartment
