Rockwell Automation 21G PowerFlex 755 Transition Section and Splicing Kit - Manual (Page 25)

Rockwell Automation Publication 750-IN027C-EN-P - November 2013 25
PowerFlex 755 Transition Section and Splicing Kit for Floor-mount Drives and CENTERLINE 2100 Motor Control Centers
Specifications Tighten all bus connections with a torque wrench and socket according to
intervals established by your maintenance policy. If a torque wrench is not
available, tighten until the conical spring washer is flat. Do not grease or lubricate
the hardware.
Table 1 - Torque Requirements
Table 2 - Horizontal Bus Required Splice Hardware
Table 3 - PE Bus Required Splice Hardware
Description Hardware Torque
Transition section to drive cabinet joining screws M6 6.2 N•m (55 lb•in)
Transition section to MCC column joining screws 1/4-20 6.2 N•m (55 lb•in)
Protective earth (PE) conductor splice connection 1/4-20 7.3 N•m (65 lb•in)
Main horizontal bus-bar splice connection 3/8-16 38 N•m (336 lb•in)
Amp Rating Description Quantity
1200 3/8-16 x 1.38 in. bus clamp assembly 12
3/8 flat washer 24
3/8-16 one-piece nut and conical spring washer 24
2000 3/8-16 x 2.25 in. bus clamp assembly 12
3/8 flat washer 24
3/8-16 one-piece nut and conical spring washer 24
3000 3/8-16 x 2.25 in. bus clamp assembly 6
3/8-16 x 2.75 in. bus clamp assembly 6
3/8 flat washer 24
3/8-16 one-piece nut and conical spring washer 24
PE Bus Bar Width Amp Rating Description Quantity
25.4 mm (1.0 in.) 1200 and 2000 762 mm (30 in.) 250 MCM cable 2
1/4-20 x 1.25 in. hex-head cap screw 1
1/4-20 x 1.0 in. hex-head cap screw 3
1/4 flat washer 7
1/4 conical spring washer 4
1/4-20 G5 hex nut 3
50.8 mm (2.0 in.) 2000 and 3000 762 mm (30 in.) 250 MCM cable 2
914 mm (36 in.) 250 MCM cable 1
1/4-20 x 1.25 in. hex-head cap screw 1
1/4-20 x 1.0 in. hex-head cap screw 6
1/4 flat washer 10
1/4 conical spring washer 7
1/4-20 G5 hex nut 5