Difference between revisions of "Two-step relay"
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Latest revision as of 00:22, 25 February 2009
5-4-180
A relay with two groups of contact springs, one group only of which is operated by a specified magnetic flux and both groups by a greater magnetic flux.
Reference: I.E.C. (modified)
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)