Allen-Bradley DC Bus Fuse Installation Instructions
The Allen-Bradley DC Bus Fuse is a critical component for protecting your 1336 PLUS Adjustable Frequency AC Drive from damaging overcurrents. This fuse is specifically designed for D Frame drives and ensures the safe operation of your equipment. To ensure proper installation and functionality, refer to the provided instructions for detailed guidance.
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Instructions
This publication will guide you through replacement of the DC bus
fuse assembly on D Frame 1336 PLUS AC Drives.
Use the table below to verify that the correct Fuse Kit was received.
Each kit consists of the following components:
Drive Catalog
Number
Fuse Kit
Catalog Number
Fuse Rating
(Amperes)
1336S-A040 1336-CONV-SP15A 250
1336S-A050 1336-CONV-SP16A 300
1336S-A060 1336-CONV-SP17A 350
1336S-B060 1336-CONV-SP14A 200
1336S-B075 1336-CONV-SP15A 250
1336S-B100 1336-CONV-SP16A 300
1336S-B125 1336-CONV-SP17A 350
1336S-BX150 1336-CONV-SP17A 350
1336S-C075 1336-CONV-SP14A 200
1336S-C100 1336-CONV-SP15A 250
1336S-C125 1336-CONV-SP16A 300
Component Description Quantity
Bus Bar, Upper & Lower 1 each
Diode with Lead, Lug & Screw 1 each
Fuse 1
Screw Assembly with Washer & Lockwasher 2
Nut/Washer 2
Flat Washer 2
Label 1
Insulating Paper 1
! ATTENTION: This drive contains ESD (Electrostatic
Discharge) sensitive parts and assemblies. Static control
precautions are required when installing, testing, servicing
or repairing this assembly. Component damage may result
if ESD control procedures are not followed. If you are not
familiar with static control procedures, reference
publication 8000-4.5.2, “Guarding Against Electrostatic
Damage” or any other applicable ESD protection handbook.
!
ATTENTION: To avoid a shock hazard, assure that all
power to the drive has been removed before proceeding. In
addition, verify that the DC bus has discharged by
measuring across the “+DC” and “–DC” terminals of TB1
with a voltmeter. The voltage should be 0.0VDC.
1336 PLUS Adjustable Frequency AC Drive
DC Bus Fuse Replacement
D Frame Drives
This publication will guide you through replacement of the DC bus
fuse assembly on D Frame 1336 PLUS AC Drives.
Use the table below to verify that the correct Fuse Kit was received.
Each kit consists of the following components:
Drive Catalog
Number
Fuse Kit
Catalog Number
Fuse Rating
(Amperes)
1336S-A040 1336-CONV-SP15A 250
1336S-A050 1336-CONV-SP16A 300
1336S-A060 1336-CONV-SP17A 350
1336S-B060 1336-CONV-SP14A 200
1336S-B075 1336-CONV-SP15A 250
1336S-B100 1336-CONV-SP16A 300
1336S-B125 1336-CONV-SP17A 350
1336S-BX150 1336-CONV-SP17A 350
1336S-C075 1336-CONV-SP14A 200
1336S-C100 1336-CONV-SP15A 250
1336S-C125 1336-CONV-SP16A 300
Component Description Quantity
Bus Bar, Upper & Lower 1 each
Diode with Lead, Lug & Screw 1 each
Fuse 1
Screw Assembly with Washer & Lockwasher 2
Nut/Washer 2
Flat Washer 2
Label 1
Insulating Paper 1
! ATTENTION: This drive contains ESD (Electrostatic
Discharge) sensitive parts and assemblies. Static control
precautions are required when installing, testing, servicing
or repairing this assembly. Component damage may result
if ESD control procedures are not followed. If you are not
familiar with static control procedures, reference
publication 8000-4.5.2, “Guarding Against Electrostatic
Damage” or any other applicable ESD protection handbook.
!
ATTENTION: To avoid a shock hazard, assure that all
power to the drive has been removed before proceeding. In
addition, verify that the DC bus has discharged by
measuring across the “+DC” and “–DC” terminals of TB1
with a voltmeter. The voltage should be 0.0VDC.
1336 PLUS Adjustable Frequency AC Drive
DC Bus Fuse Replacement
D Frame Drives
2 1336 PLUS Adjustable Frequency AC Drive DC Bus Fuse Replacement
1. Remove and lock-out all incoming power to the drive.
2. Remove the drive front cover and clear protective guard to gain
access to the DC bus fuse.
3. Remove the existing fuse. Discard the fuse and bolts.
4. Install, but do not tighten the new fuse to the supplied bus bars (see
figure below). Secure the diode to the upper bus bar.
5. Mount, but do not tighten the bus bars (with fuse and diode) using
the hardware shown. Pay particular attention to the screw, lug,
washer combination on the lower bus bar. When bus bars are
correctly positioned, tighten hardware to 11.0-12.5 N-m (97-111
lb.-in.). When tightening, hold lug to guard against movement.
6. Remove the adhesive strip from the insulating paper and position
on the underside of the protective guard to shield the new fuse.
Replace the guard. Install the new fuse label over the existing label
on the guard. Replace the front cover.
! ATTENTION: Replace any guards previously removed
before applying power to the drive. Failure to replace guards
may result in death or serious injury.
Screw Assembly
Bus Bar, Upper
Fuse
(Fastened to Bus Bars with Nuts)
Lug
Flat Washer
Bus Bar, Lower
Diode
(Fastened to Bus Bar with Screw)
Diode
Lead
Rockwell Automation helps its customers receive a superior return on their investment by bringing
together leading brands in industrial automation, creating a broad spectrum of easy-to-integrate
products. These are supported by local technical resources available worldwide, a global network
of system solutions providers, and the advanced technology resources of Rockwell.
Worldwide representation.
Argentina • Australia • Austria • Bahrain • Belgium • Bolivia • Brazil • Bulgaria • Canada • Chile • China, People’s Republic of • Colombia • Costa Rica • Croatia • Cyprus
Czech Republic • Denmark • Dominican Republic • Ecuador • Egypt • El Salvador • Finland • France • Germany • Ghana • Greece • Guatemala • Honduras • Hong Kong
Hungary • Iceland • India • Indonesia • Iran • Ireland • Israel • Italy • Jamaica • Japan • Jordan • Korea • Kuwait • Lebanon • Macau • Malaysia • Malta • Mexico
Morocco • The Netherlands • New Zealand • Nigeria • Norway • Oman • Pakistan • Panama • Peru • Philippines • Poland • Portugal • Puerto Rico • Qatar • Romania • Russia
Saudi Arabia • Singapore • Slovakia • Slovenia • South Africa, Republic of • Spain • Sweden • Switzerland • Taiwan • Thailand • Trinidad • Tunisia • Turkey • United Arab Emirates
United Kingdom • United States • Uruguay • Venezuela
Rockwell Automation Headquarters, 1201 South Second Street, Milwaukee, WI 53204-2496 USA, Tel: (1) 414 382-2000, Fax: (1) 414 382-4444
Publication 1336 PLUS-5.68 – September, 1997 P/N 188560
Copyright 1997 Rockwell International Corporation. All rights reserved. Printed in USA.
1. Remove and lock-out all incoming power to the drive.
2. Remove the drive front cover and clear protective guard to gain
access to the DC bus fuse.
3. Remove the existing fuse. Discard the fuse and bolts.
4. Install, but do not tighten the new fuse to the supplied bus bars (see
figure below). Secure the diode to the upper bus bar.
5. Mount, but do not tighten the bus bars (with fuse and diode) using
the hardware shown. Pay particular attention to the screw, lug,
washer combination on the lower bus bar. When bus bars are
correctly positioned, tighten hardware to 11.0-12.5 N-m (97-111
lb.-in.). When tightening, hold lug to guard against movement.
6. Remove the adhesive strip from the insulating paper and position
on the underside of the protective guard to shield the new fuse.
Replace the guard. Install the new fuse label over the existing label
on the guard. Replace the front cover.
! ATTENTION: Replace any guards previously removed
before applying power to the drive. Failure to replace guards
may result in death or serious injury.
Screw Assembly
Bus Bar, Upper
Fuse
(Fastened to Bus Bars with Nuts)
Lug
Flat Washer
Bus Bar, Lower
Diode
(Fastened to Bus Bar with Screw)
Diode
Lead
Rockwell Automation helps its customers receive a superior return on their investment by bringing
together leading brands in industrial automation, creating a broad spectrum of easy-to-integrate
products. These are supported by local technical resources available worldwide, a global network
of system solutions providers, and the advanced technology resources of Rockwell.
Worldwide representation.
Argentina • Australia • Austria • Bahrain • Belgium • Bolivia • Brazil • Bulgaria • Canada • Chile • China, People’s Republic of • Colombia • Costa Rica • Croatia • Cyprus
Czech Republic • Denmark • Dominican Republic • Ecuador • Egypt • El Salvador • Finland • France • Germany • Ghana • Greece • Guatemala • Honduras • Hong Kong
Hungary • Iceland • India • Indonesia • Iran • Ireland • Israel • Italy • Jamaica • Japan • Jordan • Korea • Kuwait • Lebanon • Macau • Malaysia • Malta • Mexico
Morocco • The Netherlands • New Zealand • Nigeria • Norway • Oman • Pakistan • Panama • Peru • Philippines • Poland • Portugal • Puerto Rico • Qatar • Romania • Russia
Saudi Arabia • Singapore • Slovakia • Slovenia • South Africa, Republic of • Spain • Sweden • Switzerland • Taiwan • Thailand • Trinidad • Tunisia • Turkey • United Arab Emirates
United Kingdom • United States • Uruguay • Venezuela
Rockwell Automation Headquarters, 1201 South Second Street, Milwaukee, WI 53204-2496 USA, Tel: (1) 414 382-2000, Fax: (1) 414 382-4444
Publication 1336 PLUS-5.68 – September, 1997 P/N 188560
Copyright 1997 Rockwell International Corporation. All rights reserved. Printed in USA.
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Key Features
- DC Bus Fuse
- D Frame Drives
- 1336 PLUS AC Drives
- ESD Protection
- Shock Hazard Prevention
- Detailed Installation Guide
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Frequently Answers and Questions
What is the purpose of the DC Bus Fuse?
The DC Bus Fuse is designed to protect the 1336 PLUS Adjustable Frequency AC Drive from damaging overcurrents. It acts as a safety mechanism to prevent damage to the drive's internal components.
How do I know if I need to replace the DC Bus Fuse?
If the drive is experiencing overcurrent issues or the fuse is damaged, it needs to be replaced. Refer to the documentation for instructions on how to verify if the DC Bus Fuse is functioning properly.
What safety precautions should I take when replacing the DC Bus Fuse?
Always disconnect power to the drive before attempting any maintenance or replacement. Ensure the DC Bus has discharged by measuring across the “+DC” and “–DC” terminals of TB1 with a voltmeter. The voltage should be 0.0VDC.
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