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IEC 61347-1 Ed. 4.0 b:2024

Controlgear for electric light sources - Safety - Part 1: General requirements
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IEC 61347-1 Ed. 4.0 b:2024

Controlgear for electric light sources - Safety - Part 1: General requirements

IEC 61347-1 Ed. 4.0 b:2024

Controlgear for electric light sources - Safety - Part 1: General requirements

IEC 61347-1:2024 specifies general safety requirements for controlgear for electric light sources for use on DC supplies up to 1 500 V or AC supplies up to 1 000 V at 50 Hz or 60 Hz.

This fourth edition cancels and replaces the third edition published in 2015 and Amendment 1:2017. This edition constitutes a technical revision.

This edition includes the following significant technical changes with respect to the previous edition:

  • a) complete review of document structure, including but not limited to what is individually described under items b) to s);
  • b) removal of requirements for electromagnetic controlgear;
  • c) addition of more specific requirements for control circuit insulation and corresponding marking;
  • d) merging of thermal test requirements for transformers into a new Clause 16;
  • e) clarification of specifications for the moisture resistance test;
  • f) update of the normative reference to standards of the transformer series IEC 61558;
  • g) correction of the normative reference for PCB testing with respect to flames and fire;
  • h) update of further normative references where appropriate;
  • i) allowance of an alternative DC electric strength test;
  • j) addition of specific provisions for the use of bridging capacitors;
  • k) update of fire hazard testing requirements;
  • l) introduction of requirements for PELV applications;
  • m) clearance distances now generally based on peak instead of RMS voltage values;
  • n) introduction of a new type of protected emergency lighting controlgear;
  • o) review and clarification of touch current and voltage requirements;
  • p) clarification of the test sequence for independent controlgear with respect to the application of the IEC 60598 series versus the IEC 61347 series;
  • q) introduction of reduced touch voltages and currents for interrupted DC voltage applications or pulse width modulation (PWM);
  • r) changes concerning the recommendations for electric strength routine testing;
  • s) merging of requirements for safety isolating controlgear from former Annex L into the main body of the document;
  • t) introduction of Annex N intended to address touch current measurement;
  • u) introduction of Annex O intended to provide information on document reorganization.
SDO IEC: International Electrotechnical Commission
Document Number IEC 61347
Publication Date Not Available
Language b - English & French
Page Count 226
Revision Level 4.0
Supercedes
Committee 34C
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