NA 022
DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE
DIN EN 60660 ; VDE 0441-3:2000-12 [CURRENT] references following documents:
| Document number | Edition | Title |
|---|---|---|
| IEC/TR 60932 | 1988 | Additional requirements for enclosed switchgear and controlgear from 1 kV to 72,5 kV to be used in severe climatic conditions More |