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Publication of GR1002509BpublicationCriticalpatent/GR1002509B/en
The invention relates to an automatic arrangement for operating electromotors (12) by star/delta switching with two relays (2, 4). A third relay destined for short circuiting the three motor terminals is suspended while the same work is performed with three auxiliary contacts added to the second relay (4).
GR950100237A1995-06-201995-06-20Automatic star/delta switch with two relays
GR1002509B
(en)