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I.B. ATS-AG03
Page vi
Effective 7/00
LIST OF FIGURES
Figure
Title
Page
1-1
Typical Load Transfer Switch (circuit breaker type) Schematic.................................................................1
1-2
Automatic Transfer Switch Equipment with Solid Steel Shield in Place over Power Panel.......................2
3-1
Typical Power Panel (Unmounted) for 300-600A Models..........................................................................5
3-2
Typical Power Panel for 30-200A Models..................................................................................................6
3-3
Mounted Molded Case Switches with the Transfer Mechanism
Removed for Clarity (300-600A Models) ...................................................................................................6
3-4
Microprocessor-based Logic Control Panel...............................................................................................6
3-5
Typical Type 3R Enclosure (Door).............................................................................................................9
4-1
Dimensions of Enclosed Automatic Transfer Switch and Approximate Weights .....................................11
4-2
Automatic Transfer Switch Power Panel (150A Model)...........................................................................12
4-3
Mounted Load Lug Assembly (300-600A Models)...................................................................................14
5-1
Transfer Switch Manual Operating Handle in Use (300-600A Models) ...................................................17
5-2
Indicator Wheel Mounted in the Switch with Motor Under the Wheel (300-600A Models) ......................17
5-3
Indicator Wheel In Neutral Position (300-600A Models)..........................................................................18
5-4
Transfer Mechanism with Lever Removed (30-200A Models).................................................................18
5-5
Switch Being Manually Operated (30-200A Model).................................................................................19
LIST OF TABLES
Table
Title
Page
1.1
Transfer Switch Catalog Number Explanation...........................................................................................3
4.1
Bolted Bus Connection Torque Requirements ........................................................................................14
4.2
Transfer Switch Equipment Wire Sizes ...................................................................................................15
7.1
Quick Reference for Actual Voltage Level Relative to Percentage of the Normal System Voltage.........25
8.1
Periodic Maintenance Procedures...........................................................................................................27