FIELD: electrical engineering; circuit-opening devices. SUBSTANCE: device has electromagnetic relay 4, its make contact 11, DC power supply terminals 1, transistor 10, resistors 7, 8, voltage regulator diode 8, capacitor 3, thyristor 12, diodes 6, 13, optocoupler 5, switch 2. EFFECT: improved design. 1 dwg
Authors
Dates
1997-06-10—Published
1992-11-27—Filed