STN EN IEC 60947-4-2/Zmena A1
| Name: | STN EN IEC 60947-4-2/Zmena A1 |
| Validity: | Valid |
| Number of pages: | 24 |
| 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 | Nízkonapäťové spínacie a riadiace zariadenia. Časť 4-2: Stýkače a spúšťače motorov. Polovodičové regulátory, spúšťače motorov na regulátory motora s mäkkým rozbehom |
| English title | Low-voltage switchgear and controlgear - Part 4-2: Contactors and motor-starters - Semiconductor motor controllers, starters and soft-starters |
| Release Date: | 01. 04. 2025 |
| Date of withdrawal: | |
| ICS: | 29.130.20 |
| Sorting character/National clasification code | 35 4101 |
| Level of incorporation: | idt EN IEC 60947-4-2:2023/A1:2024, idt IEC 60947-4-2:2020/AMD1:2024 |
| Official Journal | 03/25 |
| Amendments | |
| Replaced by: | |
| Repleces: | |
| Note in Official Journal: | STN EN IEC 60947-4-2 z mája 2023 sa bez tejto zmeny A1 môže používať do 31. 12. 2027. |
| Subject of the standard: | IEC 60947-4-2:2020 applies to semiconductor motor controllers, starters and soft-starters which can include a series mechanical switching device, intended to be connected to circuits the rated voltage of which does not exceed 1 000 V AC. This fourth edition cancels and replaces the third edition published in 2011. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: - scope exclusions; - editorial correction of notes and hanging paragraphs; - reference to IEC 62683-1; - safety aspects related to: - general aspects; - limited energy circuits; - electronic circuits; - mention of dedicated wiring accessories; - power consumption measurement; - alignment to IEC 60947-1:2020. |
| Preview: | Náhľad normy (PDF) |