Rockwell Automation 1512A MV Controllers, 400A One-High Cabinet, Standard and Arc-Resistant Enclosure User Manual

Page 32

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24

Rockwell Automation Publication 1512A-UM100F-EN-P - May 2013

Chapter 3

Installation – Arc-Resistant (ArcShield)

7. Install incoming line cables to power bus. Torque to specifications (refer

to

Recommended Torque Values on page 2 of Chapter 1

) (

Figure 29

).

8. Reverse procedure after cables have been installed.

Figure 29 - Power Bus with Bottom Access Barrier Removed

Front Access – Top Incoming Cables (Top Entry/Exit)

Top entry one high ArcShield units are 0.9 m (36 in.) wide versus bottom entry
units which are 0.7 m (26 in.) wide.

1. Complete the Power Lock-out Procedure (refer to

Power Lock-out

Procedure on page 41 of Chapter 5

) for both the medium voltage and the

power bus.

2. Open the top medium voltage cell door (refer to

Opening the Low Voltage

Doors on page 15

).

3. Open the bottom empty cell door (refer to

Opening the Medium Voltage

Door on page 16

).

4. Remove retaining screws from removable bus access barriers to expose

incoming cable connection to main bus (

Figure 30

and

Figure 31

).

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