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BS EN IEC 61557-6:2021:2022 Edition

BS EN IEC 61557-6:2021:2022 Edition

$142.49

Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c.. Equipment for testing, measuring or monitoring of protective measures – Effectiveness of residual current devices (RCD) in TT, TN and IT systems

Published By Publication Date Number of Pages
BSI 2022 26
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PDF Catalog

PDF Pages PDF Title
2 undefined
7 Annex ZA (normative)Normative references to international publicationswith their corresponding European publications
12 English
CONTENTS
13 FOREWORD
15 1 Scope
2 Normative references
3 Terms and definitions
16 4 Requirements
4.1 General
17 4.2 Functions
4.2.1 Measurement of trip current
4.2.2 Non-tripping functions
18 4.2.3 Fault voltage indication
4.2.4 Measurement of trip time
4.3 Measurement with indicators
19 4.4 Test with rated residual operating current
4.5 Fault voltages exceeding UL
4.6 Overvoltage
5 Marking and operating instructions
5.1 Marking
5.2 Explicit indication of the waveform of the testing current
20 5.3 Operating instructions
6 Tests
6.1 General
21 6.2 Operating uncertainty
Table 1 – Calculation of operating uncertainty
22 6.3 Fault voltage
6.4 Testing the connection to voltages higher than nominal voltage
6.5 Overvoltage
23 Annex A (informative) Applicable tripping tests (time and current) for different types of RCDs
Table A.1 – Tripping tests for different types of RCD
24 Bibliography

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BS EN IEC 61557-6:2021
$142.49