IEC 60947-4-1 Revised
IEC 60947-4-1:1990
Low-voltage switchgear and controlgear. Part 4: Contactors and motor-starters - Section One: Electromechanical contactors and motor-starters
States the characteristics of contactors and starters and associated equipment, the conditions with which contactors or starters shall comply (operation and behaviour, dielectric properties, the degrees of protection provided by their enclosures, their construction), the tests intended for confirming that these conditions have been met, the information to be given with the equipment or in the manufacturer's literature.
This publication supersedes IEC 60158-1 (1970) and its Amendment 1 (1983), 60158-1C (1982), 60292-1 (1969) and its Amendment 2 (1983), 60292-2 (1970), 60292-3 (1973) and 60292-4 (1975). It should be read in conjunction with IEC 60947-1.
This publication supersedes IEC 60158-1 (1970) and its Amendment 1 (1983), 60158-1C (1982), 60292-1 (1969) and its Amendment 2 (1983), 60292-2 (1970), 60292-3 (1973) and 60292-4 (1975). It should be read in conjunction with IEC 60947-1.
CHF 375.-
A more recent version of this publication exists: IEC 60947-4-1:2023
Technical committee
TC 121/SC 121A Low-voltage switchgear and controlgear| Publication type | International Standard |
| Publication date | 1990-05-15 |
| Edition | 1.0 |
| ICS | 29.130.20 29.120.99 |
| Stability date | 2000 |
| ISBN number | 283181801X |
| Pages | 183 |
| File size | 8.06 MB |