![The picture shows a detail of the safety gear BF series progressive safety gear /BF series / EN81-20 / Sautter Lift Components GmbH / SLC](https://slc-liftco.com/wp-content/uploads/2019/07/einstellvorrichtung_bf-fangvorrichtungen-e1564240469149.jpg)
Characteristics bf2d-2/bf2d-2/bf1d-2
![Triple_L-1024×683](https://slc-liftco.com/wp-content/uploads/2020/07/Triple_L-1024x683-768x512.jpg)
Typ:
Progressive safety gear (downwards)
Protection device against overspeed (upwards)
Protection device against unintended car movement (A3 / UCM)
Guide rail :
Drawn/Machined
Guide rail thickness: 9 – 30 mm
Guide rail width (minimum): 20 mm
Maximum tripping speed
Drawn: 2,63 m/s
Machined: 3,23 m/s
UCM: 2,20 m/s
Maximum nominal speed
Drawn: 2,20 – 2,29 m/s
Machined: 2,50 – 2,81 m/s
Permissible total mass acting downwards
Permissible brake forces for acting upwards
Permissible brake forces as UCM-device (upwards)
Permissible brake forces as UCM-device (downwards)