ANSI C37.22:1997
Current
The latest, up-to-date edition.
AMERICAN NATIONAL STANDARD PREFERRED RATINGS AND RELATED REQUIRED CAPABLITIES FOR INDOOR AC MEDIUM VOLTAGE SWITCHES USED IN METAL-ENCLOSED SWITCHGEAR
Hardcopy , PDF
English
01-01-1997
Foreword
1 Scope
2 Referenced Standards
3 Indoor Medium-Voltage Switches
Tables
Table 1 - Preferred Voltage and Insulation Levels for Indoor AC
Medium Voltage Switches for Use in Metal-Enclosed
Switchgear
Table 2 - Preferred Short-Time, Momentary and Fault Closing
Current Ratings for Indoor AC Medium-Voltage
Switches Used in Metal-Enclosed Switchgear
Table 3 - Preferred Load Current Switching Ratings and
Endurance Capabilities
Table 4 - Mechanical Endurances
Table 5 - Preferred Rated Control Voltages and Their Ranges for
Indoor AC Medium-Voltage Switches Used in Metal-
Enclosed Switchgear
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