FIELD: electricity.
SUBSTANCE: device contains accumulator battery divided into sections with safe voltage which is installed at the electrical signalbox; at the electrical signalbox there is multicontact component which operating contacts are switched on between sections of the accumulator battery, hand-operated disconnector and fire detectors connected to communication channel with alerting device installed at control panel of the station duty officer; at the control panel there is device for remote tripping control which normally closed output contact is connected in-series with normally closed output contact of hand-operated disconnector is switched on to the circuit feeding electric magnet of multicontact component.
EFFECT: reducing electrical hazard of backup power source during its maintenance and in case of emergency or fire.
2 cl, 1 dwg
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