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STN EN IEC 60947-4-2

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Electronic version (pdc file)

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Name: STN EN IEC 60947-4-2
Validity: Valid
Number of pages: 122
Language:
EN
Paper: 35,00€
Electronic version a) Only read (without ability to print and copy) 31,50€
b) Without ability to print, with ability to copy (printscreen) 35,00€
c) With ability to print and copy (printscreen) 45,50€
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. 05. 2023
Date of withdrawal:
ICS: 29.130.20
Sorting character/National clasification code 35 4101
Level of incorporation: idt EN IEC 60947-4-2:2023, idt IEC 60947-4-2:2020
Official Journal 04/23
Amendments
Replaced by:
Repleces: STN EN 60947-4-2:2013-08 (35 4101)
Note in Official Journal:
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)