{"id":416727,"date":"2024-10-20T06:12:18","date_gmt":"2024-10-20T06:12:18","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-iec-61557-72022-tc\/"},"modified":"2024-10-26T11:31:52","modified_gmt":"2024-10-26T11:31:52","slug":"bs-en-iec-61557-72022-tc","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-iec-61557-72022-tc\/","title":{"rendered":"BS EN IEC 61557-7:2022 – TC"},"content":{"rendered":"
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1<\/td>\n | 30466444 <\/td>\n<\/tr>\n | ||||||
25<\/td>\n | A-30362881 <\/td>\n<\/tr>\n | ||||||
26<\/td>\n | undefined <\/td>\n<\/tr>\n | ||||||
29<\/td>\n | Annex ZA (normative)Normative references to international publicationswith their corresponding European publications <\/td>\n<\/tr>\n | ||||||
31<\/td>\n | English CONTENTS <\/td>\n<\/tr>\n | ||||||
32<\/td>\n | FOREWORD <\/td>\n<\/tr>\n | ||||||
34<\/td>\n | 1 Scope 2 Normative references 3 Terms and definitions <\/td>\n<\/tr>\n | ||||||
35<\/td>\n | 4 Requirements 4.1 General 4.2 Indication <\/td>\n<\/tr>\n | ||||||
36<\/td>\n | 4.3 Measuring equipment 4.3.1 General 4.3.2 Portable phase sequence indicator 4.3.3 Test leads for direct contact with live parts and accessories <\/td>\n<\/tr>\n | ||||||
37<\/td>\n | 5 Marking and operating instructions 5.1 Marking 5.2 Operating instructions 6 Tests 6.1 General 6.1.1 Tests \u2013 General 6.1.2 Visual display 6.1.3 Audible indication (if applicable) 6.2 Leakage current <\/td>\n<\/tr>\n | ||||||
38<\/td>\n | 6.3 Test of mechanical requirements (type tests) 6.3.1 Mechanical shock test 6.3.2 Test of leads for direct contact with live parts 6.4 Overvoltage 6.5 Test of markings <\/td>\n<\/tr>\n | ||||||
39<\/td>\n | Annex A (normative) Illustrations for mechanical tests Figure A.1 \u2013 Mechanical shock test <\/td>\n<\/tr>\n | ||||||
40<\/td>\n | Figure A.2 \u2013 Drop test <\/td>\n<\/tr>\n | ||||||
41<\/td>\n | Annex B (informative) Phase sequence test B.1 Phase sequence test \u2013 Tripolar connection B.2 Phase sequence test \u2013 Sequential bipolar connection Figure B.1 \u2013 Tripolar connection <\/td>\n<\/tr>\n | ||||||
42<\/td>\n | Figure B.2 \u2013 Sequential bipolar connection <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Tracked Changes. Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1 500 V d.c. Equipment for testing, measuring or monitoring of protective measures – Phase sequence<\/b><\/p>\n |