E 740 * Drive chain for daily ventilation in the 230 V area
- Aluminium housing and compact design
- Variable stroke adjustment via rotary switch, from outside of the drive
- Available as a Solo version (simple operation) and Synchro version (multifunctional operation)
- Synchronised multifunctional operation of up to four drives
- Quick and easy installation
Drive chain for daily ventilation in the 230 V area
Application Areas
- Natural ventilation (230 V) in the façade and roof area
- Inward and outward opening bottom-hung, top-hung and side-hung windows
- Outward-opening roof windows and skylight domes
- Inward opening vertically centre pivoted windows
- Installation on wooden, PVC or metal windows
- Quick and easy installation from the front
- Leaf and frame installation
Installation situations in reference objects and videos
E 740
The chain drive E 740 can be used for the electric motor-driven opening and closing of bottom-hung, top-hung and side-hung leaves, inward and outward opening. Suitable for roof windows and skylights. The impressive features of the drive include its elegant aluminium housing and suitability for daily ventilation. © Nikolaus Grünwald / GEZE GmbH
E 740
The chain drive E 740 can be used for the electric motor-driven opening and closing of bottom-hung, top-hung and side-hung leaves, inward and outward opening. Suitable for roof windows and skylights. The impressive features of the drive include its elegant aluminium housing and suitability for daily ventilation. © Nikolaus Grünwald / GEZE GmbH
Safety note
Falling window leaves can be a considerable risk to life and limb of persons in the vicinity. Therefore, the use of GEZE safety scissors is mandatory when using GEZE drives on bottom-hung windows.
Technical data
| E 740 | |
| Space needed on frame (min.) | Frame installation inward opening: 58 mm, leaf installation inward opening: 27 mm, frame installation outward opening: 29 mm |
| Space requirement on leaf (min.) | Frame installation inward opening: 32 mm, leaf installation inward opening: 22 mm, frame installation outward opening: 33 mm |
| Available stroke length | 100 mm, 200 mm, 300 mm, 400 mm |
| Holding force (max.) | 1800 N |
| Overlap range | 0 - 25 mm |
| Voltage at operation | 230 V ± 10 % |
| Operating voltage | 230 V |
| Current consumption | 0.13 A |
| Power consumption | 30 W |
| Duty rating | 30 % |
| min. core dimension | 0.75 mm² |
| Number of cables | 3 cores |
| Temperature range | -5°C...+70°C |
| IP rating | IP42 |
| protection rating | III |
| Syncro function | Yes |
| Type of stroke shortening | Switch on drive |
| End position cut-off extended | electronic, via internal path sensor |
| End position cut-off retracted | electronic via current consumption |
| Overload cut-off | Yes |
| Bottom-hung window INWARD-opening frame installation | Yes |
| Bottom-hung window INWARD-opening leaf installation | Yes |
| Bottom-hung window OUTWARD-opening frame installation | Yes |
| Side-hung window INWARD-opening frame installation | Yes |
| Side-hung window INWARD-opening door leaf installation | Yes |
| Side-hung window OUTWARD-opening frame installation | Yes |
| Top-hung window INWARD-opening frame installation | Yes |
| Top-hung window INWARD-opening leaf installation | Yes |
| Top-hung window OUTWARD-opening frame installation | Yes |
| OUTWARD-opening roof window | Yes |
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Variants & Accessories
* Notice about the products displayed
The products mentioned above may vary in form, type, characteristics and function (design, dimensions, availability, approvals, standards etc.) depending on the country. For questions please contact your GEZE contact person or send us an E-Mail .