CEI EN 60721-3-4
Classification of environmental conditions - Part 3: Classification of groups of environmental parameters and their severities - Section 4: Stationary use at non-weatherprotected locations
active, Most Current
Buy Now
| Organization: | CEI |
| Publication Date: | 1 September 1998 |
| Status: | active |
| Page Count: | 10 |
scope:
Document History
January 1, 2020
Classification of environmental conditions Part 3-4: Classification of groups of environmental parameters and their severities - Stationary use at non-weatherprotected locations
This part of IEC 60721 classifies groups of environmental parameters and their severities to which products are subjected when installed for stationary use at non-weatherprotected locations....
CEI EN 60721-3-4
September 1, 1998
Classification of environmental conditions - Part 3: Classification of groups of environmental parameters and their severities - Section 4: Stationary use at non-weatherprotected locations
October 1, 1996
Classification of environmental conditions - Part 3: Classification of groups of environmental parameters and their severities - Section 4: Stationary use at non-weatherprotected locations
La presente Norma classifica i gruppi di parametri ambientali e le loro severità ai quali sono assoggettati i prodotti se montati per uso in posizione fissa, in modo permanente o temporaneo, in...
January 1, 1990
Classificazione delle condizioni ambientali - Parte 3: Classificazione dei gruppi di parametri ambientali e loro severità. Uso in posizione fissa in luoghi non protetti dalle intemperie
La presente Norma, inizialmente conforme al Documento di Armonizzazione CENELEC HD 478.3.4 S1, contestuale alla Pubblicazione IEC 721-3-4 (1987) e che, in seguito alla pubblicazione della Var. n. 1...