Rockwell Automation 2500 CENTERLINE MCC Joining and Splicing Columns - Manual (Page 23)

Publication 2500-IN004A-EN-P - August 2009
CENTERLINE 2500 Motor Control Centers Installing, Joining and Splicing Columns 23
Control and Network Cables
When finished joining and splicing columns, make sure to connect
DeviceNet and other control cables as required.
Refer to CENTERLINE 2500 Low Voltage Motor Control Centers,
Chapter 9 - Motor Control Center Options, publication
2500-IN001 for
more information.
Torque Specifications Tighten bus splice connections with a torque wrench according to the
table. Torque values can be found on the information label located on
the interior of the vertical wireway door or on the interior right-hand
side plate of fixed units.
Torque Requirements for Hardware Connections
Hardware Description Torque
Incoming Line Lug Attachment Bolts – M12 x 1.75 61 N•m
Horizontal Power Bus to Vertical Distribution Bus Connection
(1)
–
M10 x 1.5
(1) The factory-made horizontal power bus to vertical distribution bus connections are tightened by a
computer-controlled torquing system.
50 N•m
Horizontal Power Bus Splice Connection – M10 x 1.5 50 N•m
Protective Earth Conductor (PE) Splice Connection– M6 x 1.0 7.3 N•m
Column Joining Hardware – M6 x 1.0 6.2 N•m
DeviceNet Splice Cable Screws 0.55 N•m