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Rockwell Automation 2364,2364E NRU DIODE REPLACEMENT User Manual

Page 8

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NRU is a trademark of Rockwell International or its subsidiaries.
Lexan is a trademark of General Electric Corp.

Publication 2364E-5.11 - April 1998

Supersedes Publication 2364E-5.11 - February 1997

P/N 173346

1998 Rockwell International. All Rights Reserved. Printed in USA

11.

12. Install the AC horizontal busbar.

13.

14. Using a continuity testing device, verify that shorts do not exist

between:

any of the 3 AC horizontal busbars and PE

any of the 3 AC horizontal busbars

15. Install the Lexan guard that covers the circuit breaker in the left bay.

16. Install the Lexan guard that covers the diode bridge assembly in the

right bay.

17. Dispose of the removed part according to your company’s procedures

and local ordinances.

If your NRU is rated at:

Then:

2500A DC or 3000A DC

Install the Lexan guard against the heatsink.

If your NRU output current (A DC) Torque busbar bolts to:

180 / 350

15 lb-ft

900

10 lb-ft

1500 / 2000

15 lb-ft (if bolt size is 5/16”)
25 lb-ft (if bolt size is 3/8”)

2500 / 3000

25 lb-ft