
Sectional Specification: Electromechanical All-or-nothing Telecom Relays Of Assessed Quality
出版:Standardiserings-Kommissionen I Sverige

專家解讀視頻
Applies to electromechanical all-or-nothing relays of assessed quality.
NEN EN 116500:1997 - Identical
BS EN 116500:1996 - Identical
DIN EN 116500 (1993-07) - Identical
I.S. EN 116500:1993 - Identical