| Publication CODE |
Title |
| IEC 60947-4-3:2020 (2020-07) |
LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 4-3: CONTACTORS AND MOTOR-STARTERS - SEMICONDUCTOR CONTROLLERS AND SEMICONDUCTOR CONTACTORS FOR NON-MOTOR LOADS |
| |
| Price Excl. VAT |
Total number of pages, tables and drawings |
|
366.00 €
|
88. |
Description
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.
|
| Class |
C990
(IEC PUBLICATIONS IEC PUBLICATIONS)
|
| Committee |
TC 121/SC 121A
Low-voltage switchgear and controlgear
|
| Responsible |
Ir DELENS Marc
|
| BEC Approval |
2020-07-14 |
| ICS-Code (International Standards Classification) |
29.130.20
, 31.180
|
| NBN Status |
New |
|
| IEC publication date |
2020-07-14 |
| IEC stability date |
2024-12-31 |
| IEC file modification date |
2020-07-14 |
| IEC last modification date |
2020-07-14 |
|
