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Chain, linear and rack-and-pinion actuators for ventilation and smoke extraction. In stock in Hamburg, with technical advice.
Buy window actuators online – for ventilation and smoke vents, in stock in Hamburg
In our online shop, you can order professional window drives online. We offer you Chain drives for facade windows as well as powerful Linear actuators for heavy roof windows, available directly from our Hamburg warehouse. Choose your desired model for your project.
Quantity discounts and individual discounts for registered users are available on request.
Chain length calculator
Note
The factor of 57.3 resulting from the conversion of degrees to radians (180/π).
Entries with a comma or a dot (for example, a 27.5 or 27.5).
The output is rounded to the nearest whole Millimeter.
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VS-KA chain actuator for windows and roof windows
from 65,00 €net, incl. bracket setSelect optionsVS-KA chain drive – universal, with 250 N to 1500 N thrust.
Price includes standard bracket set.
excl. VAT
plus Shipping costs
Delivery time: Ships within 24 h

VS-LA linear actuator for roof windows and skylights
from 110,00 €net, incl. bracket setSelect optionsVS-LA linear actuator, compact, with 600 N to 5000 N thrust.
Price includes standard bracket set.
excl. VAT
plus Shipping costs
Delivery time: Ships within 24 h

VS-C24-7A control unit for window drives, blinds, roller shutters & gates
60,00 € (71,40 € VAT included.)net, plus VATAdd to cartVS-C24-7A control unit (24 V / 7 A) for window drives, blinds, roller shutters and garage door openers.
excl. 19% VAT
plus Shipping costs
Delivery time: Ships within 24 h

VS-ZA 800 rack-and-pinion drive
from 105,00 €net, incl. bracket setSelect optionsVS-ZA 800 rack and pinion drive with 800 N thrust.
Price includes standard bracket set.
excl. VAT
plus Shipping costs
Delivery time: Ships within 24 h

VS-TA 400 door opener drive
290,00 € (345,10 € VAT included.)net, incl. bracket setVS-TA 400 door opener drive for opening single-leaf doors up to max. 90°.Add to cartexcl. 19% VAT
plus Shipping costs
Delivery time: Ships within 24 h

VS-SA 2500 spindle drive
Price: only on requestnet, plus VATSelect optionsVS-SA 2500 spindle drive – powerful and specially designed for heavy skylights.
excl. VAT
plus Shipping costs
Delivery time: Ships within 24 h

VS-DKA 800 double-chain drive
from 196,00 €net, plus VATSelect optionsVS-DKA 800 double chain drive with 800 N of thrust for wide and heavy window-sash.
excl. VAT
plus Shipping costs
Delivery time: Ships within 24 h

VS-CKA 300 built-in chain drive
from 155,00 €net, plus VATSelect optionsVS-CKA 300 built-in chain drive: flat, with 300 N thrust for concealed window automation.
excl. VAT
plus Shipping costs
Delivery time: Ships within 24 h

VS-KA 2500 heavy-duty chain drive
from 290,00 €net, plus VATVS-KA 2500 heavy-duty chain drive to open heavy sashes, 2500N, 24VSelect optionsexcl. VAT
plus Shipping costs
Delivery time: Ships within 24 h

VS-MKA mechanical chain drive
from 50,00 € – price: on requestnet, plus VATDetails & enquiryVS-MKA Mechanical chain drive for manual window opening without electricity.

VS-MKA2 Mechanical chain drive
85,00 € (101,15 € VAT included.)net, plus VATAdd to cartVS-MKA2 Mechanical chain drive with built-in crank.
excl. 19% VAT
plus Shipping costs
Delivery time: approx. 3 weeks

VS-VA 600 locking drive
from 125,00 €net, plus VATSelect optionsVS-VA 600 locking drive for hardware gearboxes, 600 N.
excl. VAT
plus Shipping costs
Delivery time: Ships within 24 h
View references ›Applications.
The right actuator for every window.
Facade windowRecommended: VS-KA, VS-LA
Roof and glass roof windowsRecommended: VS-LA, VS-ZA, VS-SA
RooflightsRecommended: VS-SA 2500, VS-LA, VS-KA 2500
Smoke and heat exhaust (SHEV)24 V actuators for SHEV control panelsYour window isn’t listed?Send us a photo and we’ll tell you the right actuator.
Send photo via WhatsAppHow your project works.
Online measurement sheet ›1Send inquiryDimensions via form or WhatsApp2Actuator sizingWe calculate force and stroke3Receive a quoteUsually on the same working day4DeliveryStock items shipped within 24 hFor contractors, dealers and planners.
Terms that fit your business.
Net pricesno registration neededProject and quantity pricingon requestTender textsfor plannersPurchase on accountfor direct enquiriesGuide & Frequently Asked Questions
Which drive mechanism is right for your window? The most important answers are summarized below.
New in our guides: Smoke ventilation standards: DIN EN 12101-2, DIN 18232 and building codes · Snow load and wind load · Window actuators for metal and window fabricators · Window actuators from Hamburg
Why buy window drives from Vent Systems?
As experts in professional building technology, we offer high-quality chain and linear actuators for every type of window. In our own warehouse in Hamburg we keep large quantities in stock for roof windows, façades and smoke vent systems. Benefit from over 20 years of expertise, first-class support and fast delivery directly to your project.
Our solutions for automated window opening
Modern window drives control daily ventilation. In an emergency, they provide safety. Discover our systems:
- Chain drives: Unobtrusive installation on facade windows.
- Linear actuators: Powerful cylinders for heavy roof windows.
- SHEV systems: Reliable smoke extraction according to legal standards.
- Accessories: Matching mounting brackets and smart weather sensors.
Comprehensive guide: choosing the right window drive
Automated window opening offers enormous benefits in both private homes and commercial properties. Alongside the daily comfort of room ventilation, safety is the top priority. To find the ideal system for your specific requirements, you should know the technical differences between the various drive types.
Chain drives – the elegant solution for facade windows
Chain drives are the most commonly used electric window openers. When closed, the chain retracts fully into the housing, so the drive is barely noticeable. They are ideal for top-hung, tilt, and turn windows made of aluminum, wood, or PVC. Thanks to their compact design, they can be elegantly matched to the window profile or even integrated invisibly within it.
Linear actuators – powerful support for heavy loads
When it comes to large roof windows, heavy skylights, or roof access hatches, chain drives reach their limits. This is where linear actuators (also known as spindle drives) come in. Thanks to their rigid piston rod, they transmit enormous thrust and pulling forces. They are especially resistant to outdoor weather conditions such as heavy snow loads on the roof or strong wind pressure on the facade.
Frequently asked questions about our products (FAQ)
What voltage is optimal for window drives?
Our range includes 24 V and 230 V actuators. The choice depends on the application. For pure comfort ventilation in homes or offices, the standard 230 V mains voltage is usually used. For a legally required smoke and heat exhaust ventilation system (SHEV), however, 24 V DC is mandatory, because these systems must be backed up by emergency batteries in an emergency.Can I retrofit an electric window opener myself?
Yes, retrofitting is possible on almost all common window types. Each of our drives comes with detailed installation instructions. It's important to align the drive and the matching brackets precisely, so that no leverage forces damage the window. For the electrical connection, especially with 230V systems, we always recommend consulting a qualified electrician.How does the control system respond to wind and rain?
For maximum safety, any electric window actuator can be extended with smart sensors. An external wind and rain sensor monitors the weather. When it starts to rain or the wind speed exceeds a critical value, the control unit sends a signal to the actuator and the open windows close fully automatically. This reliably protects your rooms from water damage.What maintenance intervals must be observed?
For actuators used purely for comfort ventilation, an annual visual inspection and cleaning of the mechanical parts is sufficient. If the actuators are part of a smoke ventilation (SHEV) system, stricter rules apply: German law requires maintenance at least once a year by certified specialists in accordance with DIN 18232. This ensures the system works in the event of a fire.Your reliable partner for window automation
Our dedicated team in Hamburg advises you individually on all technical questions about modern SHEV technology and ventilation systems. We find the right cost-effective solution for every building project. Rely on tested top quality, smooth processes and durable products direct from Vent Systems. Contact us today for a no-obligation quote!
Request a project
Are you planning a ventilation or smoke and heat exhaust ventilation (SHEV) solution? We offer personal consultations and a non-binding quote – including dealer and project-specific terms.
Mon–Fri 8am–5pm
WhatsApp: 0176 57801935
● Fast response – usually on the same working day
