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prEN IEC 60947-4-1:2022

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

Üldinfo
Kavand
Alusdokumendid
121A/509/CDV; prEN IEC 60947-4-1:2022
Direktiivid või määrused
puuduvad
Standardi ajalugu
Staatus
Kuupäev
Tüüp
Nimetus
17.05.2021
Parandus
02.06.2020
Parandus
01.04.2019
Põhitekst
This part of IEC 60947 is applicable to the following equipment: – electromechanical contactors and starters including motor protective switching devices (MPSD); – actuators of contactor relays; – contacts dedicated exclusively to the coil circuit of the contactor or the 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 AC or 1 500 V DC. This document does not apply to: – starters for DC motors0F; – auxiliary contacts of contactors and contacts of contactor relays. These are covered by IEC 60947-5-1; – the short-circuit protective device integrated within starters other than MPSDs. This is covered by IEC 60947-2 and IEC 60947-3; – motor overload protection function performed by control units for built-in thermal protection (PTC). They are covered by IEC 60947-8; – the use of the equipment with additional measures within explosive atmospheres. These are given in IEC 60079 series; The objective of this document is to state: • the characteristics and composition of the equipment (Clause 5); • the conditions applicable to the equipment with reference to: • its operation (5.2.5) , protection functions (5.2.6, 5.7, 5.8), • its intended environments (Clause 6.5, 8.3.1) and applications (5.4, Annex C, Annex D, Annex G, Annex H, Annex I, Annex M, Annex O) including safety applications (Annex F, Annex K, Annex L), • its construction and performance (Clause 8) including requirements to reduce risks of electric shock, thermal hazard, energy hazard, fire hazard and mechanical hazard, reasonably foreseeable misuse, electromagnetic compatibility (EMC) issues, software errors and security issues; • the tests intended for confirming that these conditions have been met, and the methods to be adopted for these tests (Clause 9); • the information to be included with the equipment or in the product documentation (Clause 6).
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