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Description of BS EN IEC 61347-1:2024 - TC 2025IEC 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.
About BSIBSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses. |
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