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  • BSI
    BS EN IEC 60947-4-3:2024 - TC Tracked Changes. Low-voltage switchgear and controlgear - Contactors and motor-starters. Semiconductor controllers and semiconductor contactors for non-motor loads
    Edition: 2024
    $780.42
    / user per year

Description of BS EN IEC 60947-4-3:2024 - TC 2024

IEC 60947-4-3:2020(E) applies to semiconductor controllers and semiconductor contactors for non-motor load intended to be connected to circuits, the rated voltage of which does not exceed 1 000 V AC. It covers their use: – for operations of changing the state of AC electric circuits between the ON-state and the OFF-state; – with or without bypass switching devices; – as controller, for reducing the amplitude of the RMS AC voltage. This third edition cancels and replaces the second edition published in 2014. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) scope exclusions; b) editorial correction of notes and hanging paragraphs; c) safety aspects related to: - general aspects; - limited energy circuits; - electronic circuits; d) mention of dedicated wiring accessories; e) power consumption measurement; f) alignment to IEC 60947-1:2020; g) alignment with IEC 60947-4-2 when appropriate.

Standard NumberBS EN IEC 60947-4-3:2024 - TC
TitleTracked Changes. Low-voltage switchgear and controlgear - Contactors and motor-starters. Semiconductor controllers and semiconductor contactors for non-motor loads
StatusDefinitive
Publication Date2024-12-24
DescriptorsLow voltage, Alternating current, Electric starters, Electrical equipment, Contactors, Electrical testing, Low-voltage equipment, Controllers, Performance, Electric motors, Rated voltage, Switchgear, Electric control equipment, Circuits, Electrical protection equipment, Instructions for use, Semiconductor devices
ICS31.180 Printed circuits and boards, 29.130.20 Low voltage switchgear and controlgear
CommitteePEL/121/1
ISBN978 0 539 34807 1
PublisherBSI
Pages232

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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