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TABLE OF CONTENTS
SAFETY
......................................................................................................................................................1
INTRODUCTION
........................................................................................................................................6
GENERAL DESCRIPTION
.........................................................................................................................7
Components....................................................................................................................................7
Indicators and Controls ...................................................................................................................7
Figure 1 – Contactor Structure........................................................................................................7
RECEIVING, INSPECTION AND HANDLING
...........................................................................................8
Receiving and Unpacking ...............................................................................................................8
Acceptance Inspection....................................................................................................................8
Handling and Moving ......................................................................................................................8
Figure 2 – Location of the Wear Gauge..........................................................................................8
INSTALLATION
..........................................................................................................................................9
Ambient Conditions.........................................................................................................................9
Mounting the Contactor...................................................................................................................9
Main Circuit Cable Connections......................................................................................................9
Ground Connections .......................................................................................................................10
Control Circuit Connections ............................................................................................................10
Figure 3 – Ground Connection Location .........................................................................................10
Figure 4 – Drive Unit Location.........................................................................................................10
PRE-ENERGIZATION CHECK
..................................................................................................................11
General ...........................................................................................................................................11
Electrical Checks.............................................................................................................................11
OPERATION
...............................................................................................................................................12
Moving Contactor from the OFF to ON Position .............................................................................12
Moving Contactor from the ON to OFF Position .............................................................................12
Figure 5 – Internal Configuration of Drive Unit................................................................................13
Figure 6 – Internal Connection of the Normally Energized Type ....................................................13
Figure 7 – Internal Connection of the Latched Type.......................................................................14
Figure 8 – Standard Operation Circuit of the Normally Energized Type .........................................14
Figure 9 – Standard Operation Circuit of the Latched Type (Shunt Trip)........................................15
Figure 10 – Standard Operation Circuit of the Latched Type (Capacitor Trip)................................15
MAINTENANCE
.........................................................................................................................................16
Maintenance Program.....................................................................................................................16
Maintenance Record.......................................................................................................................16
Servicing Equipment .......................................................................................................................16
Inspection and Maintenance Types ................................................................................................17
Table 1 – Tightening Torque...........................................................................................................17
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