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IEEE 1247-1998

$98.04

IEEE Standard for Interrupter Switches for Alternating Current, Rated Above 1,000 Volts

Published By Publication Date Number of Pages
IEEE 1998
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New IEEE Standard – Superseded. The basic requirements of interrupter switches used indoors, outdoors, and in enclosures are covered. This standard does not apply to load-break separable insulated connectors.

PDF Catalog

PDF Pages PDF Title
1 Title Page
3 Introduction
4 Participants
5 CONTENTS
7 1. Overview
1.1 Scope
1.2 Purpose
2. References
9 3. Definitions
4. Service conditions
4.1 Ususal service conditions
10 4.2 Unusual service conditions
5. Description of ratings and capabilities
5.1 Rated power frequency
11 5.2 Rated voltage
5.3 Rated withstand voltages
12 5.4 Rated currents
15 5.5 Rated ice breaking ability
5.6 Rated control voltage
5.7 Rated mechanical operations
5.8 Rated mechanical terminal load
5.9 Visible corona-free voltage
5.10 Radio-influence voltage limit
5.11 Partial discharge limits
16 6. Preferred ratings
6.1 Preferred ratings—Outdoor switches
6.2 Preferred ratings—Indoor switches
6.3 Preferred ratings—Enclosed switches
6.4 Other preferred ratings
17 7. Construction requirements
7.1 Nameplates
18 7.2 Contact position indicator
7.3 Accessories
7.4 Instructions
7.5 Terminal pads
8. Test code
8.1 Withstand voltage tests
19 8.2 Continuous current tests
23 8.3 Switching tests
45 8.4 Short-time withstand current tests
46 8.5 Fault-making current test
48 8.6 Condition of the switch after each test of 8.3, 8.4 and 8.5
49 8.7 Ice loading test
52 8.8 Mechanical operation tests
54 8.9 Corona tests
56 8.10 Radio-influence tests
57 8.11 Partial discharge test
8.12 Production tests
59 Annex A—Attitude correction factors
60 Annex B—Load-switching TRV
62 Annex C—Restrike-free performance
64 Annex D—Capacitive current switching
66 Annex E—Bibliography
IEEE 1247-1998
$98.04