FIELD: low-voltage devices for overload protection of electrical equipment. SUBSTANCE: protective gear has control unit and power unit. The latter is set up of parallel-connected circuits each one including series-connected protective device and triac; protective devices are rated at different currents. EFFECT: improved efficiency of protective gear. 3 cl, 4 dwg
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Authors
Dates
1998-10-10—Published
1996-05-05—Filed