NA 022
DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE
DIN EN IEC 63522-27 ; VDE 0435-2027-27:2025-11 [New] references following documents:
| Document number | Edition | Title |
|---|---|---|
| IEC 60050-444 | 2002-01 | International Electrotechnical Vocabulary - Part 444: Elementary relays More |