Allen-Bradley 1397 User manual

Installation Instructions IN
1397-5.21 July, 1997
Allen-Bradley
1397
150HP AC Line Disconnect
Cat. Nos. 1397-DS125
1397-DS150
WhatThis Option
Provides
WhereThis Option Is
Used
WhatTheseInstructions
Contain
When installed, theAC line disconnect is designed to provide branch
circuit disconnect switch requirements.
Each 150HP AC Line Disconnect is sized to a 1397 drive as detailed
below.
230V Drive Rating 460V Drive Rating
Catalog Number HP (kW) HP (kW)
1397-DS125 40-60 (30-45) 75-125 (56-93)
1397-DS150 75 (56) 150 (112)
These instructions and any accompanying instructions contain the
necessary information to install a 1397 150HP AC Line Disconnect.

1397 150HP AC Line Disconnect2
1397-5.21 July, 1997
GRD
A1
45
P4
P4
P4
S4
S4
S4
181 182 183
Retaining
Screw
Panel
Tab
Panel
Tab
Retaining
Screw
❐ 2 Loosenthe (2) auxiliary panel coverretaining screws.Tolift out
the auxiliary panel, loosen the screws only enough to allow the
panel tabs to slide out.
❐ 1 Removeandlockoutallincomingpowertothedrive.Disconnect
the incoming power lines from the drive by removing the wire
binding screws on the box connectors at terminals 181, 182 &
183.
Installation
ATTENTION: Electric Shock can cause injury or death.
Remove all power before working on this product.
The drive is at line voltage when connected to incomingAC
power. Before proceeding with any installation or
troubleshooting activity, disconnect lockout and tag all
incomingpowerto thedrive.Verifywitha voltmeterthanno
voltage exists at terminals L1, L2 and L3 on the drive input
power terminal block.
!

1397 150HP AC Line Disconnect 3
1397-5.21 July, 1997
GRD
A1
45
P4
P4
P4
S4
S4
S4
Hex Box
Connector Hex Box
Connector
Hex Box
Connector
❐ 3 Remove the hex box connectors at terminals 181, 182
&
183.
Insert a hex wrench from the front through the holes from the
discardedwirebindingscrews,andturnthefastenersclockwise.
Usea 5/32" wrenchfor 250Adisconnects, or a7/32" wrenchfor
400A disconnects. Place your hand behind the box connectors
to catch the fasteners. Discard the box connectors.
Installation
(continued)

1397 150HP AC Line Disconnect 4
1397-5.21 July, 1997
ON
OFF
47
SET AT "2"
A1
LOAD SIDE
LINE SIDE
c
e
a
b
d INSERT
❐ 4 Install the bus bars on terminals 181, 182 & 183 using the M8
fasteners with 250A kits or M10 fasteners with 400A kits.
a
Place the bus bar’s smaller, oval hole on the terminal.
b Screw the nut to the bottom (non-socket) end of the screw.
c Leave approximately 5mm (0.20 In.) of thread below the nut
on M8 fasteners, or 8mm (0.31 In.) on M10s.
d Insert the set screw from the back of the terminal through the
bus bar.
e Screw the nut washer to the top (hex socket end) of the set
screw. Finger tighten, making sure the back nut and the screw
do not turn.
Installation
(continued)

1397 150HP AC Line Disconnect 5
1397-5.21 July, 1997
GRD
A1
45
P4
P4
P4
S4
S4
S4
Disc.
Panel
Retaining
Screw
Disc.
Panel
Retaining
Screw
Disc.
Panel
Retaining
Screw
Disc.
Panel
Tab
Screw
Disc.
Panel
Tab
Screw
Installation
(continued)
❐ 5 Install the disconnect panel in the front of the auxiliary chassis
enclosureinplaceoftheauxiliarypanelcoverremovedinStep2.
• The (2) disconnect panel tab screws go through the holes in
the panel tabs to lock the panel in place.
• The (3) M6 disconnect panel retaining screws attach the
disconnect panel to the auxiliary chassis.

1397 150HP AC Line Disconnect 6
1397-5.21 July, 1997
ON
OFF
47
SET AT "2"
A1
aa
LOAD SIDE
LINE SIDE
b
aa
Installation
(continued)
❐ 6a 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 MaximumTorque HexWrench 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

1397 150HP AC Line Disconnect 7
1397-5.21 July, 1997
GRD
A1
45
P4
P4
P4
S4
S4
S4
ON
OFF
47
SET AT "2"
A1
a
81 82 83
c
b
bb
Installation
(continued)
❐ 7a Apply the label to the top front of the AC line disconnect
b Connect the incoming AC power lines to the line side of the
AC line disconnect using the built-in box connectors. Torque
the screws to 28.24 N-m (250 lb.-in.) for 250A disconnects,
and 33.89 N-m (300 lb.-in.) for 400A disconnects.
c Flip the line fuse cover up and press it against the hook and
loop fastener to hold it in position over the fuses.

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Publication 1397-5.21 — July, 1997 P/N 184666
Copyright 1997 Rockwell International Corporation Printed in USA