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Installation Instructions IN

1397-5.21 July, 1997

Allen-Bradley

1397

150HP AC Line Disconnect

Cat. Nos. 1397-DS125

1397-DS150

What This Option

Provides

Where This Option Is

Used

What These Instructions

Contain

When installed, the AC 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.

Summary of content (8 pages)

PAGE 1
Installation Instructions IN Allen-Bradley 1397 150HP AC Line Disconnect Cat. Nos. 1397-DS125 1397-DS150 What This Option Provides When installed, the AC line disconnect is designed to provide branch circuit disconnect switch requirements. Where This Option Is Used Each 150HP AC Line Disconnect is sized to a 1397 drive as detailed below.
PAGE 2
1397 150HP AC Line Disconnect 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 incoming AC power. Before proceeding with any installation or troubleshooting activity, disconnect lockout and tag all incoming power to the drive. Verify with a voltmeter than no voltage exists at terminals L1, L2 and L3 on the drive input power terminal block.
PAGE 3
1397 150HP AC Line Disconnect Installation (continued) 3 ❐ 3 Remove the hex box connectors at terminals 181, 182 & 183. Insert a hex wrench from the front through the holes from the discarded wire binding screws, and turn the fasteners clockwise. Use a 5/32" wrench for 250A disconnects, or a 7/32" wrench for 400A disconnects. Place your hand behind the box connectors to catch the fasteners. Discard the box connectors.
PAGE 4
1397 150HP AC Line Disconnect Installation ❐ 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.
PAGE 5
1397 150HP AC Line Disconnect Installation (continued) 5 ❐ 5 Install the disconnect panel in the front of the auxiliary chassis enclosure in place of the auxiliary panel cover removed in Step 2. • 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. 45 Disc. Panel Tab Screw A1 Disc. Panel Retaining Screw GRD Disc.
PAGE 6
1397 150HP AC Line Disconnect 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.
PAGE 7
1397 150HP AC Line Disconnect Installation (continued) 7 ❐ 7 a 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.
PAGE 8
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