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>UNE EN IEC 60947-4-1:2021 - Low-voltage switchgear and controlgear - Part 4-1: Contactors and motor-starters - Electromechanical contactors and motor-starters
sklademVydáno: 2021-02-10
UNE EN IEC 60947-4-1:2021 - Low-voltage switchgear and controlgear - Part 4-1: Contactors and motor-starters - Electromechanical contactors and motor-starters

UNE EN IEC 60947-4-1:2021

Low-voltage switchgear and controlgear - Part 4-1: Contactors and motor-starters - Electromechanical contactors and motor-starters

Aparamenta de baja tensión. Parte 4-1: Contactores y arrancadores de motor. Contactores y arrancadores electromecánicos.

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Označení normy:UNE EN IEC 60947-4-1:2021
Počet stran:194
Vydáno:2021-02-10
Status:Norma
Počet stran (Španělsky):223
DESCRIPTION

UNE EN IEC 60947-4-1:2021

This document is applicable to the following equipment: electromechanical contactors and starters including motor protective switching device (MPSD); actuators of contactor relays and contacts dedicated exclusively to the coil circuit of this contactor or this contactor relay; dedicated accessories (e.g. dedicated wiring, dedicated latch accessory); intended to be connected to distribution circuits, motors circuits and other load circuits, the rated voltage of which does not exceed 1 000 V a.c. or 1 500 V d.c. This document covers also the assessment procedure for electromechanical overload protection used in safety applications: See Annex L. This document does not apply to: starters for d.c. motors1; NOTE 1 The requirements for d.c. motor starters are under consideration for the next maintenance cycle. auxiliary contacts of contactors and contacts of contactor relays. These are covered by IEC 60947-5-1; starter used downstream to frequency drive1; NOTE 2 Additional requirements for starter used downstream to frequency drive are under consideration for the next maintenance cycle. short-circuit protective device integrated within starters other than MPSDs. This is covered by IEC 60947-2 and IEC 60947-3; the use of the product within explosive atmospheres. This is covered by IEC 60079 series; embedded software design rules1; cyber security aspects. These are covered by IEC 62443 series.

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