Siegenia KFV BS3700 Automatic Multi-Point Locking System
BS 3700 combines security, ease of use, and a maintenance-free structure in a single system. Thanks to its automatic operation and self-adjusting structure, it ensures flawless locking at every closure. It offers trouble-free performance for many years without the need for additional service.
BS 3700 automatically adapts to challenges such as door warping or thermal expansion. The next-generation locking elements always secure the door leaf to the frame; thus, the need for service is almost completely eliminated. It provides superior locking with a true three-point locking system.
Description
- Self-adjusting multi-point lock: no readjustment required on site
- Thanks to the patented back-pressure protection mechanism, all three locking elements always lock securely
- With its new geometry, all locking elements automatically extend 20 mm even with a low backset of 35 mm
- Suitable for timber, aluminum, and PVC exterior doors
- Wide range of upgrade options, including extension pieces for doors up to 3 meters high
- Resistance class RC3 in accordance with EN 1627
- Can be used as a child lock by disabling the door handle via cylinder locking
- Complies with DIN EN 15685, tested for 200,000 cycles with a door weight of 200 kg
- SKG certified
- Tested according to QM 342 standards.





