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Installation – Rockwell Automation 1397 150HP AC Line Disconnect Inst. User Manual

Page 6

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1397 150HP AC Line Disconnect

6

1397-5.21 July, 1997

ON

OF

F

47

SET A

T "2"

A1

a

a

LOAD SIDE

LINE SIDE

b

a

a

Installation

(continued)

6 a

Mount the AC line disconnect to the disconnect panel using
the (4) M5 fasteners included with 250A kits, or the (4) M6
fasteners included with 400A kits.

b

Connect the bus bars installed in Step 3 to the disconnect’s
load terminals using 1/4" fasteners with 250A kits or 3/8"
fasteners with 400A kits.

Torque all fasteners on the bus bars to the following values. Use
a hex wrench and an open end wrench to tighten the M8 or M10
fasteners.

Fastener Size

Maximum Torque

Hex Wrench Size

1/4"

7.46 N-m (66 lb.-in.)

3/8"

26.66 N-m (236lb.-in.)

M8

11.29 N-m (100lb.-in.)

4mm

M10

22.59 N-m (200lb.-in.)

5mm