D+H | Source: www.dh-partner.com                        21.04.2026

BSY+ chain drive - freely configurable - KA-K-BSY+
230 V AC / Configurable Stroke / Special production according to customer requirements

Performance features:
2 electromotive drive units, as a set, for mounting on the window frame profile or sash profile.
For the motorised opening and closing of windows and flaps with a high weight.
The drive is equipped with microprocessor-controlled motor and synchronous electronic BSY+ for a precise synchronous running at a window element.
Drive functions and performance features are individually programmable via the D+H software SCS.
Can be used for openings for smoke exhaust. D+H Euro SHEV in accordance with EN 12101-2. and for daily ventilation.
Particularly quiet function in ventilation mode.
Multi-stage anti-trap protection system regularly on board and via D+H software adjustable.
In order to reduce the permanent load on the gasket, a relief of pressure on window gasket is performed after the elements have been closed.
Direct control via 230 V AC.

Extension functions:
Option "CP" - Customized drive function programming, e.g. operation speed, force and stroke
Option "HP" - Stroke programming
Option "VP" - Signal programming for connection with D+H BSY+ locking drives
Option "LS" - Low-speed programming in CLOSE direction 5 mm/s
Option "SBD/SBU" - Corrosion protected, hardened steel chain in side bow design for low sash hights
Option "MA" - End position message "OPEN"
Option "MZ" - End position message "CLOSED"
Option "AS2" - Acoustic signal according to protection class 2 MaschRL/42/EG
Option "AS3" - Acoustic signal according to protection class 3 MaschRL/42/EG
Option "special colour" - Colour coating for perfect integration into façade optics according to RAL, DB, NCS

Technical data:
Supply: 230 V AC / +10/-15 % / 50 Hz
Performance:
45 W / 75 VA (KA 34-K-BSY+)
75 W / 115 VA (KA 54-K-BSY+)
Duty cycle: 30 % (ON: 3 min. / OFF: 7 min.)
Force of pressure:
300 N (KA 34-K-BSY+)
500 N (KA 54-K-BSY+)
Cut-off reserve: +20% (short-term)
Configuration: Main or Sub
Design: Right or Left
Tensile force:
300 N (KA 34-K-BSY+)
500 N (KA 54-K-BSY+)
Nominal locking force **: Max. 2600 N (2000 N ***)
Service life: 20000 double strokes *
Stroke: 350 mm - 1300 mm
OPEN running speed: 11.8 mm/s
OPEN running speed - SHEV:
12.2 mm/s (KA 34-K-BSY+)
13.3 mm/s (KA 54-K-BSY+)
CLOSED running speed: 11.8 mm/s
Type of protection: IP 32
Emission sound pressure level: LpA ≤ 70 dB(A)
Temperature range: -15 °C (-5 °C ***) till +75 °C
Fire resistance: B300 (30 min / 300 °C)
Housing: Aluminium
Colour: Special colour according to RAL/DB/NCS
Connection: Silicone cable
W x H x D: 560-1041 (stroke-dependent) x 40 x 59 mm

* For vertical use, please consult with D+H Sales!
** Depending on the mounting, *** in accordance with VdS 2580

Scope of supply:
Drive unit with silicone connection cable, instruction for use

Brand: D+H
Type: KA-K-BSY+
Art. No.: 26.007.00

Quantity: .......... pcs     Price: ................. EUR     TP: ................. EUR

The D+H partner on site is at your disposal for design variants.

https://www.dh-partner.com/int/en/service/planning-support

Important information:

This product description does not constitute a tender. The responsibility for compliance with public procurement law requirements lies with the tendering planner or architect.

Installation and commissioning in accordance with the manufacturer's instructions.

Subject to technical changes.