"This part of IEC 1812 applies to specified time relays@ such as time delay relays@ in accordance with definitions as laid down in IEC 50(446)@ for use in industrial applications (e.g. control@ automation@ signal and industrial equipment). The term ""relay"" as used in this standard comprises all types of relays@ other than measuring relays@ with specified time function. Depending on the field of application of these relays (e.g. for electricity generation@ transmission and distribution)@ further standards may be applicable."
61812-1-1996由IEC - International Electrotechnical Commission 发布于 1996-09-01,并于 2011-05-27 实施。
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