FIELD: electrical engineering.
SUBSTANCE: low-power switch comprises sensor selected out of group consisting of motion sensor or door sensor, reception input of manual switch or cut-off signal, as well as control device electrically connected to electric device, input and sensor. Low-power switch enables to switch off electrical device manually by means of automatic push-button switch. Control device provides switching on of electrical device and stop of sensor operation for specified period of time enabling sensor to fail detection of user entry to specified area. After specified period of time is expired it provides sensor activation that can switch electrical device off automatically or make specified sound to stimulate user to switch electrical device off manually at quitting specified area.
EFFECT: convenience improvement and cost reduction.
20 cl, 15 dwg
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