IEC 60127-9:2025 PDF

Name: IEC 60127-9:2025 — Miniature fuses - Part 9: Miniature fuse-links for special applications with partial-range breaking capacity
SKU: IEC 60127-9:2025
Price: 35 EUR
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Miniature fuses - Part 9: Miniature fuse-links for special applications with partial-range breaking capacity

Название (английский):

IEC 60127-9:2025

Miniature fuses - Part 9: Miniature fuse-links for special applications with partial-range breaking capacity

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 33
Дата публикации:: 6 августа 2025 г.
Издание:: IEC IS 60127 edition 1 version 1
ICS:: 29.120.50

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Описание (английский):

IEC 60127-9:2025 This part covers requirements for miniature fuse-links for special applications with partial-range breaking capacity. This document is applicable to fuse-links with a rated voltage not exceeding 1 000 V, a rated current not exceeding 150 A and a rated breaking capacity not exceeding 50 kA.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

IEC 60127-9:2025 - "Miniature fuses - Part 9: Miniature fuse-links for special applications with partial-range breaking capacity" specifies requirements and test methods for a class of miniature fuse-links intended to operate only under short‑circuit conditions. This part supplements IEC 60127-1 and applies to fuse‑links with rated voltage ≤ 1 000 V, rated current ≤ 150 A and rated breaking capacity ≤ 50 kA. These fuse-links are designed for special applications where overload currents in the partial‑range are prevented by additional system protection.

Key Topics

Scope and limitations: Clarifies that partial‑range breaking capacity fuse‑links must not be used for overload protection; designers must ensure overloads cannot occur. They are not intended for end‑user replacement.

Ratings and marking: Requirements for standard ratings, marking and colour coding specific to special‑application fuse‑links so values are traceable and unambiguous.

Dimensions & construction: Rules for physical design, terminations, PCB and wire mounting to ensure compatibility with fuse‑holders and assembly processes.

Electrical requirements and tests:

Time/current characteristic and melting time measurement (normal and elevated temperatures).
Breaking capacity tests with defined operating conditions and pass/fail criteria.
Endurance tests, voltage drop, pulse tests and maximum sustained dissipation.

Type testing and test boards: Procedures for type tests, including test boards for wire and surface‑mount fuse‑links and schedules for testing homogeneous series.

Environmental and safety references: Calls out relevant normative references for robustness of terminations, insulation coordination and flammability (e.g., IEC 60068‑2‑21, IEC 60664‑1, IEC 60695‑2‑12).

Applications

IEC 60127-9 is used where compact fuse protection is required for specialized electronic and electrical assemblies that rely on upstream protection against overloads. Typical stakeholders:

Design engineers specifying protective devices for power supplies, control modules or assemblies with dedicated upstream breakers.

Manufacturers of miniature fuse‑links seeking type approval and standardized testing.

Test houses and certification bodies performing breaking‑capacity, time/current and endurance verification.

Procurement and compliance teams ensuring components meet internationally accepted test methods and marking rules.

Related Standards

IEC 60127-1 (definitions & general requirements) - to be used in conjunction with Part 9

IEC 60127-6 (fuse‑holders)

IEC 60068-2-21 (robustness of terminations)

IEC 60664-1 (insulation coordination)

IEC 60695-2-12 (glow‑wire flammability)

Keywords: IEC 60127-9, miniature fuses, partial-range breaking capacity, miniature fuse-links, breaking capacity testing, time/current characteristic, fuse standards, fuse marking, fuse dimensions.

IEC 60127-9:2025 PDF

Abstract

Похожие стандарты

Overview

Key Topics

Applications

Related Standards

Технические детали

IEC 60127-1:2023

Miniature fuses - Part 1: Definitions for miniature fuses and general requirements for miniature fuse-links

IEC 60068-2-21:2006/COR1:2012

Corrigendum 1 - Environmental testing - Part 2-21: Tests - Test U: Robustness of terminations and integral mo…

IEC 60664-1:2020/COR1:2020

Corrigendum 1 - Insulation coordination for equipment within low-voltage supply systems - Part 1: Principles,…

BS EN IEC 60695-2-12:2021

Fire hazard testing - Glowing/hot-wire based test methods. Glow-wire flammability index (GWFI) test method fo…

BS EN IEC 60127-9:2025

Miniature fuses - Miniature fuse-links for special applications with partial-range breaking capacity

IEC 60127-6:2014

Miniature fuses - Part 6: Fuse-holders for miniature fuse-links