IEEE C37.29-1981
$80.71
IEEE Standard for Low-Voltage AC Power Circuit Protectors Used in Enclosures
| Published By | Publication Date | Number of Pages |
| IEEE | 1981 | 18 |
New IEEE Standard – Inactive-Withdrawn. This standard covers enclosed low-voltage ac power circuit protectors that are manually operated or power operated. Addressed are circuit protectors of the stationary type with 2-pole or 3-pole construction, having one or more rated maximum voltages of 508 V and 254 V rms for application on systems having nominal voltages of 480 V and 240 V RMS. The circuit protectors considered are furnished with current-limiting fuses such that the entire device is suitable for application on circuits capable of delivering not more than 200 000 An rms symmetrical short-circuit current. Service conditions and ratings are discussed, and the functional components of the circuit protectors are described. Temperature limitations and classification of insulating materials are covered. Insulation(dielectric) withstand voltage requirements are specified, and an application guide is given. Test procedures are also specified.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 3 | Introduction Participants |
| 5 | CONTENTS |
| 7 | 1. Scope 2. References |
| 8 | 3. Service Conditions 4. Definitions |
| 9 | 5. Ratings 5.1 General 5.2 Rated Maximum Voltage 5.3 Rated Frequency 5.4 Rated Continuous Current 5.5 Rated Switching Current 5.6 Rated Short-Circuit Current |
| 10 | 5.7 Rated Control Voltage 6. Functional Components 6.1 Nameplate(s) |
| 11 | 6.2 Contact Position Indicator 6.3 Stored Energy Indicator |
| 12 | 7. Temperature Limitations and Classification of Insulating Materials 7.1 Temperature Limits 7.2 Limits of Observable Temperature Rise 7.3 Classification of Insulating Materials |
| 14 | 8. Insulation (Dielectric) Withstand Voltage Requirements 8.1 Circuit Protectors 8.2 Dielectric Test Procedures 9. Test Procedures 10. Application Guide 10.1 General |
| 16 | 10.2 Protection of Connected Equipment |
| 17 | 10.3 Service Conditions Affecting Circuit Protector Applications 10.4 Application Limitations Relating to Repetitive Duty Maintenance |
| 18 | 10.5 Application Limitations Relating to Mechanism Types 10.6 Application of Circuit Protector Without Enclosures 10.7 Application of Circuit Protector with Dependent Manual Closing Mechanisms |
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