Shut-off device for e.g. balcony door, has sensor unit arranged on connecting part and detecting cutting of connecting part, and alarm device releasing acoustic or optical alarm signal during cutting of connecting part

摘要

The device has a base component (11) fixed at a door or window leaf, and another base component (12) fixed at a door or window frame. A flexible connecting part (13) extends between the components. A sensor unit is arranged on the part and detects cutting of the part. An alarm device is provided, which releases an acoustic or optical alarm signal during cutting of the part. An alarm button is provided at the component (11).