The chain drive set for precise synchronous operation of two drives on one window element: Our KA 34-BSY+ Set is especially quiet in ventilation mode and opens your window within 60 seconds in case of fire with the help of its high-speed function.
Performance features
- Can be used for openings for smoke ventilation; D+H Euro SHEV in accordance with EN 12101‑2; and for daily natural ventilation
- With BSY+ motor and synchronised electronics controlled via microprocessor
- High‑speed function (HS) for especially fast opening windows in case of fire (SHEV)
- Option of up to 8 drives in one synchronous group
- Supply and signals at KA 34‑BSY+ for up to 3 drives can be looped in series
- Special chain stabilisation
- Relief of pressure on window gasket after closing process
- Programmable drive functions and different drive parameters
- Running speed in CLOSED direction decreases to 5 mm/s (passive closing edge protection)
- Time-controlled reversing when an obstacle is detected in the CLOSED direction (active closing edge protection)
