TIME RELAY Russian patent published in 1995 - IPC

FIELD: electrical engineering. SUBSTANCE: generator has A.C. to D.C. converter, D.C. filter, resetting unit, pulse generator, pulse counter, relay condition flip-flop connected in series, intermediate stage with actuating contact of electromagnetic relay of direct current at output of stage. These units are supplemented with A.C. electromagnetic relay with output contacts, control button, A.C. to D.C. converter, intermediate stage and resetting unit are of special make. EFFECT: provision for exception of step-down transformer with keeping of output power across load resistively uncoupled from A.C. network. 2 cl, 2 dwg