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IEEE C37.17 : 2012

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IEEE C37.17 : 2012

TRIP SYSTEMS FOR LOW-VOLTAGE (1000 V AND BELOW) AC AND GENERAL PURPOSE (1500 V AND BELOW) DC POWER CIRCUIT BREAKERS

Institute of Electrical & Electronics Engineers

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Table of Contents

1. Overview
2. Normative references
3. Definitions
4. Preferred trip device current ratings or settings
    (amperes)
5. Types and response of direct-acting overcurrent
    trip functions
6. Calibration of direct-acting overcurrent trip
    functions
7. Delay times of direct-acting overcurrent trip
    functions
8. Reverse-current trip devices for general purpose
    dc circuit breakers
9. Undervoltage trip devices
10. Tests
11. Software process verification
Annex A (informative) - Illustrative time overcurrent
        characteristics
Annex B (informative) - Bibliography

Abstract

Covers the requirements for direct-acting overcurrent and/or undervoltage protective systems associated with low-voltage power circuit breakers.

General Product Information

Document Type Standard
Status Current
Publisher Institute of Electrical & Electronics Engineers
Supersedes
  • ANSI C37.17 : 2012