Multi-Amp CB-832 - Table of Contents

Part 12470
Rev. 2 3/25/99
i
TABLE OF CONTENTS
SECTION PAGE
I. INTRODUCTION ............................................................................................................. 1
A. Specifications .............................................................................................. Bulletin
B. General Information ............................................................................................... 1
C. About This Manual ................................................................................................ 1
D. Safety Precautions .................................................................................................. 2
II. THEORY OF OPERATION .............................................................................................. 3
A. Description of Controls .......................................................................................... 3
B. Selection of Output Terminal ................................................................................ 6
C. Selection of Output Leads ...................................................................................... 6
D. Overload Capacity .................................................................................................. 7
III. TEST PROCEDURES ....................................................................................................... 8
A. Maintenance of Motor Overload Relays ................................................................ 8
1. Planned Maintenance Program ................................................................. 10
2. Time Delay ................................................................................................ 11
3. Instantaneous Element .............................................................................. 13
B. Maintenance of Molded Case Circuit Breakers ........................................ 15
1. Planned Maintenance Program ................................................................. 15
2. Thermal Element ....................................................................................... 16
3. Instantaneous Element .............................................................................. 18
4. Ground Fault Element ............................................................................... 19
IV. SERVICE DATA 21
A. Service and Repair Order Instructions .................................................................. 22
B. Preparation for Reshipment .................................................................................. 23
C. Operational Errors/Troubleshooting ..................................................................... 23
D. Warranty ............................................................................................................... 25
V. SCHEMATICS ................................................................................................................. 26