Two-step relay: Difference between revisions

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'''5-4-180
'''urn:mrn:iala:dic:5-4-0180'''


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.
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.

Latest revision as of 10:12, 17 September 2026

urn:mrn:iala:dic:5-4-0180

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)