IEEE C37.14-1999

$72.04

IEEE Standard for Low-Voltage DC Power Circuit Breakers Used in Enclosures

Published By	Publication Date	Number of Pages
IEEE	1999

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Description

Revision Standard – Superseded. Superseded by C37.14-2002 This standard covers enclosed low-voltage dc power circuit breakers of the stationary or draw-out type of single- or two-pole construction with one or more rated maximum voltages of 300 V, 325 V, 800 V, 1200 V, 1600 V, or 3200 V for applications on dc systems having nominal voltages of 250 V, 275 V, 750 V, 1000 V, 1500 V, or 3000 V, with general-purpose, high-speed, semi-high-speed and rectifier circuit breakers; manually or power-operated; and with or without electro-mechanical or electronic trip devices. It deals with service conditions, ratings, functional components, temperature limitations and classification of insulating materials, dielectric withstand voltage requirements, test procedures, and application.

PDF Catalog

PDF Pages	PDF Title
1	Title Page
3	Introduction
4	Participants
6	CONTENTS
7	1. Scope 2. References
8	3. Definitions
9	4. Service conditions 5. Ratings 5.1 Rating information 5.2 Rated maximum voltage 5.2 Rated continuous current
10	5.4 Rated peak current 5.5 Rated short-time current 5.6 Rated short-circuit current 5.7 Rated-control voltage
11	6. Functional components
12	6.1 Nameplate(s) 6.2 Contact position indicator 6.3 Stored energy indicator 6.4 Locking 7. Temperature limitations and classification of insulating materials 7.1 Temperature limits 7.2 Limits of observable temperature rise
13	7.3 Classification of insulating materials 8. Dielectric withstand voltage requirements 8.1 Test values
14	8.2 Test procedures 9. Test requirements 9.1 Classification of tests
15	9.2 Schedule of design tests
25	9.3 Treatment of failures within a test sequence 9.4 Production tests
27	10. Application guide 10.1 Scope 10.2 General
30	10.3 Limiting transient arc voltage
31	10.4 Application limitations relating to mechanism types 10.5 Service conditions affecting circuit breaker applications
32	10.6 Application of general-purpose dc low-voltage power circuit breakers to motor starting and running duty 10.7 Repetitive duty operations and normal maintenance
33	10.8 Application of circuit breakers without enclosures
34	Annex A—Technical application guide