Safety shut-off system

Details Safety shut-off system Safety shut-off system

H - Electricity

02

H

H02H 5/00 (2006.01) F24C 7/08 (2006.01) H02H 3/05 (2006.01)

Patent

CA 2455665

A safety shut-off system controls power supply to an appliance to prevent accidental fires and the like. The shut-off system includes a shut-off switch for connection in series with the power supply of the appliance. A controller opens the switch in response to detection by the detector of a prescribed fire condition. Failsafe means are provided on the controller for opening the shut-off switch in response to a malfunction of the detector to ensure that the appliance is only permitted to operator under safe conditions when the detector is properly operating. In order to avoid false alarms the detector may take various forms including the detection of sound or other conditions which may be indicative of a potential fire. There are also incorporated switching capabilities to control additional a/c outlets, gas, propane and other appliances which work in unison with this system.

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