SWITCH CONTROL DEVICE Russian patent published in 2003 - IPC

FIELD: electrical engineering. SUBSTANCE: control device that may be used to control switches incorporating electromagnetic operating mechanism provided with magnetic latch and single ON- and OFF-operation coil has leads running to switch electromagnet, to auxiliary interlocking contact, to power supply, and to control contacts, relay, and disconnecting capacitor. Novelty is introduction of auxiliary relays of which one is power relay, two capacitors, four diodes, three resistors, and new ways of their interconnection with prior components. EFFECT: enhanced operating reliability of switch control device. 1 cl, 1 dwg