Over deze norm
|Commissie||Laagspanningsschakelmaterieel en – systemen|
IEC 60947-4-1 is applicable to the following equipment: - electromechanical contactors and starters including motor protective switching device (MPSD); - actuators of contactor relays; - 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 1000 V AC or 1500 V DC. This document covers also the assessment procedure for electromechanical overload protection used in safety applications such as protecting a motor located in explosive atmosphere from the outside atmosphere: See Annex L. This document does not apply to: - starters for DC motors 1; - auxiliary contacts of contactors and contacts of contactor relays. These are covered by IEC 60947-5-1; - starter used downstream to frequency drive1; - 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 with additional measure within explosive atmospheres. These are given in IEC 60079 series; - embedded software design rules1; - cyber security aspects. These are covered by IEC 62443 series. The objective of this document is to state: a) the characteristics of the equipment; b) the conditions applicable to the equipment with reference to: 1) its operation and behaviour, 2) its dielectric properties, 3) its degree of protection, - THIS REDLINE VERSION PROVIDES YOU WITH QUICK AND EASY WAY TO COMPARE ALL THE CHANGES BETWEEN THIS STANDARD AND ITS PREVIOUS EDITION. A VERTICAL BAR APPEARS IN THE MARGIN WHEREVER A CHANGE HAS BEEN MADE. ADDITIONS AND DELETIONS ARE DISPLAYED IN RED, WITH DELETIONS BEING STRUCK THROUGH.
|Nederlandse titel||Laagspanningsschakelaars - Deel 4-1: Schakelaars en aanzetters voor motoren - Elektromagnetische schakelaars en aanzetters voor motoren (Redline versie met track changes)|
|Engelse titel||Low-voltage switchgear and controlgear - Part 4-1: Contactors and motor-starters - Electromechanical contactors and motor-starters (Redline version with track changes)|