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Rockwell Automation 2364F Regenerative DC Bus Supply Unit (RGU) User Manual

Page 74

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Publication 2364F-5.01– October 2003

7-4

Installing Your RGU

4. Remove the lifting angle (if present) that is secured to the top of

the RGU.

5. If a top hat assembly is required (M-code RGUs), refer to

publication 2300-5.1 for installation instructions.

6. Cut holes for cable entry using instructions in publication

2300-5.1.

7. Connect the AC input cables to the RGU input according to local

codes. The following table lists the wire sizes that the circuit
breaker, motor circuit protector, or input busbar may
accommodate.

Figure 7.1
Input Connections

If your RGU current
code is:

Connect the RGU input terminals to the AC input power
using:

J

One connector per phase. The input terminals accommodate
1/0 AWG wiring.

K

One connector per phase. The input terminals accommodate
a range of 4/0 to 350kcmil AWG.

L

Two connectors per phase. The input terminals accommodate
3/0 AWG wiring.

M

Three connectors per phase. The input busbars
accommodate 300kcmil to 500kcmil AWG lugs.

N

Four connectors per phase. The input busbars accommodate
350kcmil AWG lugs.

L1

L2

L3

0.84"

0.87"

1.750"

0.250"

L1

L2

L3

J, K, or L-code RGUs

M or N-code RGUs

Refer to local wiring codes. (Current
ratings are listed in Appendix B).