UNE-EN IEC 60947-4-1:2021
Current
The latest, up-to-date edition.
Low-voltage switchgear and controlgear - Part 4-1: Contactors and motor-starters - Electromechanical contactors and motor-starters
Hardcopy , PDF
Spanish, Castilian, English
10-02-2021
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.
| Committee |
CTN 201/SC 121AB
|
| DocumentType |
Standard
|
| Pages |
223
|
| PublisherName |
Asociación Española de Normalización
|
| Status |
Current
|
| Standards | Relationship |
| EN IEC 60947-4-1:2019 | Identical |
| EN IEC 60947-4-1:2019/AC:2020-05 | Identical |
| IEC 60947-4-1:2018/COR1:2020 | Identical |
| IEC 60947-4-1:2018/COR2:2021 | Identical |
| BS 5412-4:1976 | Identical |
Please Login or Create an Account so you can add users to your Multi user PDF Later.
Important note : All end users must be registered with an Account prior to user licenses being assigned.
Users cannot be edited or removed once added to your Multi user PDF.