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BS EN IEC 60691:2023 – TC

BS EN IEC 60691:2023 – TC

$258.95

Tracked Changes. Thermal-links. Requirements and application guide

Published By Publication Date Number of Pages
BSI 2023 122
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PDF Catalog

PDF Pages PDF Title
1 30482885
70 A-30400274
71 undefined
74 Annex ZA (normative)Normative references to international publicationswith their corresponding European publications
76 English
CONTENTS
79 FOREWORD
81 INTRODUCTION
82 1 Scope
2 Normative references
83 3 Terms and definitions
85 4 General requirements
86 5 General notes on tests
87 Tables
Table 1 – Test schedule
88 6 Classification
6.1 Electrical conditions
6.2 Thermal conditions
6.3 Resistance to tracking
7 Marking
89 8 Documentation
90 9 Constructional requirements
9.1 General
91 9.2 Lead secureness tests
9.2.1 General
9.2.2 Tensile test
9.2.3 Thrust test
9.2.4 Bending/twist test
92 9.3 Contacts used for the current path
Figures
Figure 1 – Bending/twist test
Table 2 – Strength of leads and terminal parts – Minimum required tensile and thrust test forces
93 9.4 Accessible mounting brackets or metal parts
9.5 Insulating materials
9.6 Resistance to tracking
9.7 Creepage distances and clearances
94 9.8 Temperature and humidity cycle conditioning
9.9 Terminals and terminations
Table 3 – Creepage distances and clearances (absolute minimum values)
95 10 Electrical requirements
10.1 Dielectric strength
10.2 Insulation resistance
Table 4 – Test voltages for dielectric strength
96 10.3 Interrupting current
10.3.1 General
10.3.2 Specific conditions
Table 5 – Test current for interrupting test
97 10.4 Transient overload current
98 10.5 Limited short-circuit test
10.5.1 General
10.5.2 Test method
Table 6 – Limited short-circuit test capacity
99 10.5.3 Fuse size (rating)
10.5.4 Compliance
11 Temperature tests
11.1 General
100 11.2 Holding temperature, Th
11.3 Rated functioning temperature, Tf
11.4 Maximum temperature limit, Tm
101 11.5 Ageing
12 Resistance to rusting
102 13 Manufacturer’s validation programme
103 Annexes
Annex A (normative) Application guide
104 Annex B (normative) Alternative ageing test for thermal-links with Th greater than 250 °C for use in electric irons
105 Annex C (normative) Conductive heat ageing test
C.1 Conductive heat ageing test
C.2 Method
C.2.1 General
C.2.2 Typical test fixture assembly
C.2.3 Temperature setting
C.2.4 Temperature behaviour
106 C.2.5 Temperature monitoring
C.3 Ageing
C.3.1 General
C.3.2 Cooling operation
C.3.3 Premature operation
107 C.4 Results
C.5 Dielectric strength test
C.6 Test oven
Figure C.1 – Typical test fixture assembly
108 Figure C.2 – Typical thermal-link test oven
109 Annex D (informative) Extended holding temperature evaluation
D.1 Extended holding temperature conditioning test
D.2 Load current interrupt test
110 Figure D.1 – Typical terminal block support test fixture
111 Annex E (normative) Seal ageing test
112 Figure E.1 – Conditioning time versus oven temperature for proposed temperature index
113 Annex F (normative) Identification requirements
114 Annex G (normative) Indelibility of markings
Figure G.1 – Apparatus for testing durability of markings
115 Annex H (normative) Requirements for thermal-link packaged assemblies
117 Table H.1 – Push and pull force
Table H.2 – Minimum nominal cross-sectional area of conductor
118 Table H.3 – Allowed values for the materials used in the thermal-link package
119 Annex I (informative) Holding temperature
120 Bibliography

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BS EN IEC 60691:2023 - TC
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