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1). NOTA 1 La presente parte della IEC 60204 non affronta tutti i provvedimenti per la prevenzione di avviamenti inattesi. Vedere ISO 14118 (EN 1037). NOTA 2 Nella EN 60447 sono fornite ulteriori informazioni riguardo alla collocazione ed alla attivazione di dispositivi come quelli usati per prevenire avviamenti inattesi. 6). 19). Devices that do not fulfil the isolation function (for example a contactor switched off by a control circuit) may only be provided where intended to be used for situations that include: – inspections; – adjustments; – work on the electrical equipment where: – there is no hazard arising from electric shock (see Clause 6) and burn; – the switching off means remains effective throughout the work; – the work is of a minor nature (for example replacement of plug-in devices without disturbing existing wiring).
Other live parts on the inside of doors shall be protected against direct contact to at least IP1X or IPXXA. NORMA TECNICA CEI EN 60204-1:2006-09 Pagina 41 di 223 In caso di dispositivo di sezionamento non bloccabile (per es. 1). 2 e), è collocata in modo tale da poter essere sotto la sorveglianza immediata dell’operatore, non è necessario fornire i mezzi di blocco nella posizione di aperto. 4). 4, sono una scelta raccomandata dalla IEC 60364-4-41. , a causa di condizioni ambientali o di funzionamento, si possono utilizzare altre misure indicate nella IEC 60364-4-41.
NOTE 1 The generic EMC standards IEC 61000-6-1 or IEC 61000-6-2 and IEC 61000-6-3 or IEC 61000-6-4 give general EMC emission and immunity limits. NOTE 2 IEC 61000-5-2 gives guidelines for earthing and cabling of electrical and electronic systems aimed at ensuring EMC. If specific product standards exist (for example, IEC 61496-1, IEC 61800-3, IEC 60947-5-2) they take precedence over generic standards. e. conducted and radiated emissions include: – power supply filtering; – cable shielding; – enclosures designed to minimize RF radiation; – RF suppression techniques.