ISO 8820-4:2016
Road vehicles — Fuse-links — Part 4: Fuse-links with female contacts (type A) and bolt-in contacts (type B) and their test fixtures
ISO 8820-4:2016 specifies fuse-links with female contacts (type A) and bolt-in contacts (type B) for use in road vehicles. It establishes, for these fuse-link types, the rated current, test procedures, performance requirements and dimensions.
It is applicable to fuse-links with a rated voltage of 32 V or 58 V, a current rating ≤140 A and a breaking capacity of 1 000 A intended for road vehicles.
It is intended to be used in conjunction with ISO 8820‑1 and with ISO 8820‑2. The numbering of its clauses corresponds to that of ISO 8820‑1 whose requirements are applicable, except where modified by requirements particular to ISO 8820-4:2016.
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Marking, labelling and colour coding
5 Tests and requirements
5.1 General
5.2 Test sequence
5.3 Test cable sizes
5.4 Voltage drop
5.4.1 Tests
5.4.2 Requirements
5.5 Transient current cycling
5.5.1 Test
5.5.2 Requirements
5.6 Environmental condition
5.7 Operating time-rating
5.7.1 Test
5.7.2 Requirements
5.8 Current steps
5.8.1 Test
5.8.2 Requirements
5.9 Breaking capacity
5.9.1 Test
5.9.2 Requirements
5.10 Strength of terminals
5.10.1 Test for fuse-links of types A1, A1S, A2, A3 and A4
5.10.2 Requirements
5.10.3 Test for fuse-links of types B1 and B2
5.10.4 Requirements
5.11 Temperature rise
5.11.1 Test
5.11.2 Requirements
5.12 Rapid change of temperature with specified transition duration
6 Dimensions
6.1 Fuse-links types A1, A2 and A3
6.2 Fuse-links types A1S and A4
6.3 Fuse-links types B1 and B2
6.4 Designation
7 Test fixtures
7.1 Test fixture for fuse-links types A1, A1S, A2, A3 and A4
7.2 Test fixture for fuse-links type B1
7.3 Test fixture for fuse-links type B2
Annex A (informative) Tab dimensions for fuse-boxes
Bibliography
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Marking, labelling and colour coding
5 Tests and requirements
5.1 General
5.2 Test sequence
5.3 Test cable sizes
5.4 Voltage drop
5.4.1 Tests
5.4.2 Requirements
5.5 Transient current cycling
5.5.1 Test
5.5.2 Requirements
5.6 Environmental condition
5.7 Operating time-rating
5.7.1 Test
5.7.2 Requirements
5.8 Current steps
5.8.1 Test
5.8.2 Requirements
5.9 Breaking capacity
5.9.1 Test
5.9.2 Requirements
5.10 Strength of terminals
5.10.1 Test for fuse-links of types A1, A1S, A2, A3 and A4
5.10.2 Requirements
5.10.3 Test for fuse-links of types B1 and B2
5.10.4 Requirements
5.11 Temperature rise
5.11.1 Test
5.11.2 Requirements
5.12 Rapid change of temperature with specified transition duration
6 Dimensions
6.1 Fuse-links types A1, A2 and A3
6.2 Fuse-links types A1S and A4
6.3 Fuse-links types B1 and B2
6.4 Designation
7 Test fixtures
7.1 Test fixture for fuse-links types A1, A1S, A2, A3 and A4
7.2 Test fixture for fuse-links type B1
7.3 Test fixture for fuse-links type B2
Annex A (informative) Tab dimensions for fuse-boxes
Bibliography