
Electrical Relays - Specification For - All - Or - Nothing Electrical Relays
出版:British Standards Institution

專家解讀視頻
Includes terms,definitions and suggested values of unspecified parameters.Does not cover telegraphy,telephony,signalling and blocking railway systems.See also BS 142:Sec 2.1. AMD 9688 RENUMBERS THIS STANDARD
? British Standards Institution 2013
Superseded and renumbered by BS EN 60255-1.00
(07/2004)
IEC 60255-1-00 Ed. 1.0 - Identical