BS EN 60269-6:2011+A1:2023

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Low-voltage fuses – Supplementary requirements for fuse-links for the protection of solar photovoltaic energy systems

Published By	Publication Date	Number of Pages
BSI	2023	36

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The contents of the corrigendum of November 2021 have been included in this copy.

PDF Catalog

PDF Pages	PDF Title
2	undefined
7	CONTENTS
9	FOREWORD
11	1 General 1.1 Scope and object 1.2 Normative references
12	2 Terms and definitions 2.2 General terms
14	3 Conditions for operation in service 3.4 Voltage 3.4.1 Rated voltage 3.5 Current 3.5.1 Rated Current 3.6 Frequency, power factor and time constant 3.6.1 Frequency 3.6.2 Power factor
15	3.6.3 Time constant 3.10 Temperature inside an enclosure 4 Classification 5 Characteristics of fuses 5.1 Summary of characteristics 5.1.2 Fuse-links 5.2 Rated voltage 5.5 Rated power dissipation of the fuse-link 5.6 Limits of time-current characteristics 5.6.1 Time-current characteristics, time-current zones
16	5.6.2 Conventional times and currents 5.6.3 Gates 5.7 Breaking range and breaking capacity 5.7.1 Breaking range and utilization category 5.7.2 Rated breaking capacity 6 Markings 6.2 Markings on fuse-links Tables Table 101 – Conventional times and currents for “gPV” fuse-links
17	7 Standard conditions for construction 7.5 Breaking capacity 8 Tests 8.1 General 8.1.4 Arrangement of the fuse and dimensions 8.1.5 Testing of fuse-links Table 102 – Survey of complete tests on fuse-links and numberof fuse-links to be tested
18	8.3 Verification of temperature rise limits and power dissipation 8.3.1 Arrangement of the fuse-link 8.3.3 Measurement of power dissipation of the fuse-link Table 103 – Survey of tests on fuse-links of the smallest rated current of a homogeneous series and number of fuse-links to be tested
19	8.3.5 Acceptability of test results 8.4 Verification of operation 8.4.1 Arrangement of fuse-link 8.4.3 Test method and acceptability of test results
20	8.5 Verification of the breaking capacity 8.5.1 Arrangement of the fuse 8.5.5 Test method 8.5.8 Acceptability of test results
21	8.11 Mechanical and miscellaneous tests Table 104 – Values for breaking-capacity tests on “gPV” fuse-links
22	Figures Figure 101 – Current of test cycling
23	Annex AA (normative) Examples of standardized fuse-links for the protection of solar photovoltaic energy systems
24	Figure AA.1 – Fuse-links with cylindrical contact caps, type A
25	Figure AA.2 – Fuse-links with cylindrical contact caps type A with striker – Additional dimensions for sizes 14 × 51, 20 × 127 and 22 × 127 only
26	Figure AA.3 – Cylindrical fuse-links with blade contacts – Sizes 61-600 A
28	Figure AA.4 – Fuse-links with blade contacts, type C, C referring IEC 60269-2 “Fuse system A (NH fuse system)”
30	Figure AA.5 – Long fuse-links with blade contacts, type D (specific for PV application)
31	Figure AA.6 – Replacement handle for long fuse-links with blade contacts
32	Figure AA.7 – Fuse-bases for long fuse-links with blade contacts
33	Figure AA.8 – Fuse-links with bolted blade contacts, type E (specific for PV application)
34	Annex BB (informative) Guidance for the protection of photovoltaic strings and arrays with fuse-links designed for PV applications
35	Bibliography