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IEEE C37.20.4 1996

$45.83

IEEE Trial-Use Standard for Indoor AC Switches (1 kV-38 kV) for Use in Metal-Enclosed Switchgear

Published By Publication Date Number of Pages
IEEE 1996 37
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New IEEE Standard – Inactive – Superseded. This IEEE Standards product is part of the C37 family on Switchgear, Substations and Protective Relays. Indoor ac medium-voltage switches for use in enclosures for application in power circuits at voltages above 1 kV through 38 kV are covered. These include stationary or drawout, manual or power operation, fused or unfused. You will receive an email from Customer Service with the URL needed to access this publication online.

PDF Catalog

PDF Pages PDF Title
1 Title Page
3 Introduction
5 Participants
9 CONTENTS
11 1. Scope
12 2. References
13 3. Definitions
14 4. Service conditions
5. Ratings
5.1 General
5.2 Required ratings
15 5.3 Voltage and insulation levels
5.4 Rated power frequency
5.5 Rated continuous current
5.6 Rated load current switching
5.7 Rated momentary current
16 5.8 Rated short-time current
5.9 Rated short-time duration
5.10 Rated fault closing current
5.11 Rated control voltage
5.12 Association of ratings
5.13 Rated cable-charging current switching (optional)
5.14 Temperature limitations
17 6. Tests
6.1 General
18 6.2 Design tests
33 6.3 Production tests
34 6.4 Conformance tests
6.5 Field dielectric tests
7. Construction
7.1 General requirements
7.2 Functional components
36 8. Application guide
8.1 General
8.2 Voltage
8.3 Frequency
8.4 Continuous current
8.5 Short-circuit current
8.6 Cable charging current
37 8.7 Excitation (magnetizing) current capability
8.8 Unusual service conditions
8.9 Maintenance
IEEE C37.20.4 1996
$45.83