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BS EN 62395-1:2013

BS EN 62395-1:2013

$189.07

Electrical resistance trace heating systems for industrial and commercial applications – General and testing requirements

Published By Publication Date Number of Pages
BSI 2013 48
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IEC 62395-1:2013 specifies requirements for electrical resistance trace heating systems and includes general test requirements. This second edition cancels and replaces the previous edition published in 2006 and constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: – Tests have been added for trace heating on sprinkler systems; – The flammability test has been changed to align with the latest draft of future IEC/IEEE 60079-30-1; – A supplementary test has been added for the verification of sheath temperature using trace heating mounted on a plate fixture.

PDF Catalog

PDF Pages PDF Title
6 English
CONTENTS
8 INTRODUCTION
9 1 Scope
10 2 Normative references
3 Terms and definitions
15 4 General requirements
General
4.2 Electrically conductive covering
4.3 Electrical circuit protection requirements for branch circuits
16 4.4 Temperature requirements
4.4.1 General
4.4.2 Stabilized design
4.4.3 Controlled design
5 Testing
5.1 Type tests – General
5.2 Type tests – All applications
5.2.1 Dielectric test
17 5.2.2 Electrical insulation resistance test
Tables
Table 1 – Test voltages for the dielectric test
18 5.2.3 Flammability test
19 5.2.4 Room temperature impact test
Figures
Figure 1 – Flammability test
20 Figure 2 – Room temperature impact test
21 5.2.5 Minimum temperature impact test
Figure 3 – Example of room temperature impact test apparatus
22 5.2.6 Deformation test
Figure 4 – Example of minimum temperature impact test apparatus
23 5.2.7 Cold bend test
24 5.2.8 Water resistance test
5.2.9 Integral components resistance to water test
Figure 5 – Cold bend test
25 5.2.10 Verification of rated output
Figure 6 – Moisture resistance test
27 5.2.11 Thermal stability of electrical insulating material
Figure 7 – Verification of rated output
28 5.2.12 Thermal performance test for parallel trace heaters
29 5.2.13 Determination of maximum sheath temperature
31 Figure 8 – Pipe fixture
32 Figure 9 – Plate fixture
33 Figure 10 – Plate fixture when trace heaters are allowed to touch
36 5.2.14 Verification of start-up current
5.2.15 Verification of the electrical resistance of the electrically conductive covering
5.2.16 Strain relief test for connections (terminations)
Figure 11 – Maximum sheath temperature using the product approach
37 5.3 Type tests – Additional tests for outdoor exposed surface heating installations without thermal insulation
5.3.1 Verification of rated output
5.3.2 Determination of maximum sheath temperature
5.3.3 Increased moisture resistance test
5.3.4 UV test
5.3.5 Resistance to cutting test
5.3.6 Abrasion test
38 5.3.7 Tension test
5.3.8 Rail system voltage spike test
Figure 12 – Abrasion test
39 5.3.9 Rail system over-voltage test
5.4 Type tests – Additional tests and test modifications for embedded heating applications
5.4.1 Verification of rated output
5.4.2 Determination of maximum sheath temperature
5.4.3 Resistance to cutting test
5.4.4 Flammability test
5.5 Type tests – Additional tests for applications of trace heating internal to conduit and piping
5.5.1 Verification of rated output
5.5.2 Determination of maximum sheath temperature
5.5.3 Increased moisture resistance test
40 5.5.4 Pull-strength test
5.6 Type tests – Additional requirements for sprinkler systems
5.6.1 Normal and abnormal operation test
5.6.2 Normal operation test
41 Figure 13 – Sprinkler system temperature control test – branch line arrangement
42 Figure 14 – Sprinkler system temperature control test – branch line – alternative arrangement
Figure 15 – Sprinkler system temperature control test – supply pipe arrangement
43 5.6.3 Abnormal operation test
5.7 Routine tests
5.7.1 Dielectric test
5.7.2 Verification of rated output
6 Marking
6.1 General
44 6.2 Product markings
7 Installation instructions
Table 2 – Product marking
46 Bibliography

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BS EN 62395-1:2013
$189.07