FIELD: electrical engineering. SUBSTANCE: when voltage is fed to coil 10 armatures 11 and 12 move by travel value δ till they touch corresponding pairs of poles 9 and 8. Cross-pieces 13 and 15 made fast to armature move too. In this case bridge contact 14 closes immobile contacts and bridge contact 15 closed in initial position breaks. EFFECT: improved reliability and operational efficiency. 2 cl, 2 dwg
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SU1833926A1 |
