STN EN IEC 61921
| Name: | STN EN IEC 61921 |
| Validity: | Valid |
| Number of pages: | 28 |
| Language: |
EN
|
| Paper: | 14,10€ |
| Electronic version |
a) Only read (without ability to print and copy)
12,69€ b) Without ability to print, with ability to copy (printscreen) 14,10€ c) With ability to print and copy (printscreen) 18,33€ |
| Slovak title | Výkonové kondenzátory. Nízkonapäťová zostava na korekciu účinníka |
| English title | Power capacitors - Low-voltage power factor correction banks |
| Release Date: | 01. 12. 2025 |
| Date of withdrawal: | |
| ICS: | 31.060.70 |
| Sorting character/National clasification code | 35 8224 |
| Level of incorporation: | idt IEC 61921:2017, idt EN IEC 61921:2025 |
| Official Journal | 11/25 |
| Amendments | |
| Replaced by: | |
| Repleces: | STN EN 61921:2004-02 (35 8224) |
| Note in Official Journal: | |
| Subject of the standard: | EC 61921:2017 is available as IEC 61921:2017 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition. IEC 61921:2017 is applicable to low-voltage AC shunt capacitor banks intended to be used for power factor correction purposes, possibly equipped with a built-in switchgear and controlgear apparatus capable of connecting to or disconnecting from the mains part(s) of the bank with the aim to correct its power factor. Low-voltage power factor correction banks if not otherwise indicated hereinafter and where applicable comply with the requirements of IEC 61439-1 and IEC 61439-2. This second edition cancels and replaces the first edition published in 2003. It constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: numerous changes regarding verification methods to align with IEC 61439-1; modification of marking; add routine ... |
| Preview: | Náhľad normy (PDF) |