IEC TR 60269-5:2014
Low-voltage fuses - Part 5: Guidance for the application of low-voltage fuses
Low-voltage fuses - Part 5: Guidance for the application of low-voltage fuses
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 57
- Дата публикации:
- 17 декабря 2020 г.
- Издание:
- IEC TR 60269 edition 2 version 1
- ICS:
- 29.120.50
IEC/TR 60269-5:2014 serves as an application guide for low-voltage fuses, shows how current-limiting fuses are easy to apply to protect today's complex and sensitive electrical and electronic equipment. This guidance specifically covers low-voltage fuses up to 1 000 V a.c. and 1 500 V d.c. designed and manufactured in accordance with IEC 60269 series. This guidance provides important facts about as well as information on the application of fuses. This second edition cancels and replaces the first edition published in 2010. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: - recommendations for fuse operations in high altitudes added, - more details for operational voltages added, - recommendations for photovoltaic system protection added, - numerous details improved Keywords: application guide for low-voltage fuses, current-limiting fuses
Abstract
Overview
IEC TR 60269-5:2014 - Low-voltage fuses, Part 5 - is an application guide for low-voltage fuses. It provides practical guidance on applying low-voltage fuses (designed per the IEC 60269 series) for circuits up to 1 000 V a.c. and 1 500 V d.c. The technical report emphasizes the benefits and correct application of current-limiting fuses, updating the 2010 edition with technical revisions (including high-altitude recommendations, expanded operational voltage guidance, and added photovoltaic system protection).
Key topics and technical requirements
- Fuse construction and operation: components, fuse-links, contacts, indicating devices and bases; how fuses operate under overload and short-circuit conditions.
- Current-limiting behaviour: principles of current limitation and its role in reducing prospective fault energy.
- Utilization categories: guidance for gG, gN, gPV, gBat, gK and other categories for specific applications.
- Selectivity and coordination: methods to verify selectivity between fuses and between fuses and circuit-breakers (procedures for operating times ≥ 0.1 s and
Технические детали
- Технический комитет
- SC 32B - Low-voltage fuses
- SKU
- IEC TR 60269-5:2014
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