HRN EN IEC 60947-3:2021
Niskonaponska sklopna aparatura -- 3. dio: Sklopke, rastavljači, rastavne sklopke i kombinacije s osiguračima (IEC 60947-3:2020; EN IEC 60947-3:2021)
| Oznaka: | HRN EN IEC 60947-3:2021 |
| Naslov (HR): | Niskonaponska sklopna aparatura -- 3. dio: Sklopke, rastavljači, rastavne sklopke i kombinacije s osiguračima (IEC 60947-3:2020; EN IEC 60947-3:2021) |
| Naslov (EN): | Low-voltage switchgear and controlgear -- Part 3: Switches, disconnectors, switch-disconnectors and fuse-combination units (IEC 60947-3:2020; EN IEC 60947-3:2021) |
| Područje primjene (EN): | IEC 60947-3:2020 applies to switches, disconnectors, switch-disconnectors and fuse-combination units and their dedicated accessories to be used in distribution circuits and motor circuits of which the rated voltage does not exceed 1 000 V AC or 1 500 V DC. This fourth edition cancels and replaces the third edition published in 2008, Amendment 1:2012 and Amendment 2:2015. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: <ul > <li >addition of critical load current tests for DC switches (see 9.3.9); </li > <li >addition of requirements for a conditional short-circuit rating for disconnectors, switches, and switch-disconnectors protected by circuit-breakers (see 9.3.7.2); </li > <li >addition of new categories for high-efficiency motors switching (see Annex A); </li > <li >addition of new Annex E for connection to aluminium conductors; </li > <li >addition of new Annex F for power losses measurement. </li > </ul > |
| Izdanje: | 3 |
| ICS: | 29.120.40 Sklopke 29.130.20 Niskonaponski rasklopni i upravljački uređaji |
| Tehnički odbor/pododbor: | TO E17, Sklopni i upravljački uređaji |
| Oznaka faze: | 60.60 - HRN dostupan |
| Glasilo (rasprava): | HZN e-Glasilo 12/2018 () |
| Glasilo (objava): | HZN e-Glasilo 3/2021 () |
| Način prihvaćanja: | pr - prihvaćanje strane norme u izvorniku |
| Cijena #1: | Cijena: 64,00 € | Jezik: en | Cjenovni razred: N | Broj stranica: 99 |
| Izvornik: | EN IEC 60947-3:2021 |
| Zamjenjuje: | HRN EN 60947-3:2010 |
| Direktiva/Uredba: | 2014/30/EU, 2014/35/EU |
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