IEEE C37.30 1971
$26.54
American National Standard Definitions and Requirements for High-Voltage Air Switches, Insulators, and Bus Supports
| Published By | Publication Date | Number of Pages |
| IEEE | 1971 | 20 |
New IEEE Standard – Inactive – Superseded. Superseded. Required ratings and constructional requirements for switches above 1000 V are described.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 7 | 1 Scope 2 Service Conditions 2.1 Usual Service Conditions 2.2 Unusual Service Conditions 2.3 Other Conditions Affecting Design and Application |
| 8 | 3 Definitions Table 1 Altitude Correction Factors |
| 14 | 4 Ratings 4.1 Rating 4.2 RatedVoltage 4.3 Rated Maximum Voltage 4.4 RatedFrequency 4.5 Rated Continuous Current Table 2 Switch Ratings |
| 15 | 4.6 Rated Short-Time Current 4.7 Load Current Interrupting Rating 4.8 Ratings for Switching Shunt Capacitance Loads |
| 16 | Table 3 Temperature Limitations for Air Switches |
| 17 | 4.9 Magnetizing Current Interrupting Rating 4.10 Operating Life Expectancy |
| 18 | 4.1 1 Rated Withstand Voltage 4.12 Observable Temperature Rise 4.13 Limits of Observable Temperature Rise 4.14 Rated Making Current 4.15 Rated Closing Time 5 Testprocedure 6 NameplateMarkings 6.1 Air Switches |
| 19 | 6.2 Interrupter Switches 6.3 Fault Initiating Switch Revision of American National Standards Referred to in This Document |
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