IEC 60439-4 Revised
IEC 60439-4:1990
Low-voltage switchgear and controlgear assemblies. Part 4: Particular requirements for assemblies for construction sites (ACS)
This standard applies to type-tested assemblies (TTA) intended for use on construction sites, i.e. temporary places of work to which the public do not generally have access and where building construction, installation, repairs, alteration or demolition of property (buildings) or civil engineering (public works) or excavation or any other similar operations are carried out. These assemblies may be transportable (semi-fixed) or mobile.
CHFÂ 155.-
Technical committee
TC 121/SC 121B Low-voltage switchgear and controlgear assemblies| Publication type | International Standard |
| Publication date | 1990-12-15 |
| Edition | 1.0 |
| ICS | 29.130.20 |
| Withdrawal date | 2004-06-14 |
| ISBN number | 2831819164 |
| Pages | 46 |
| File size | 1.97 MB |