Opening drives

E 250 NT * Compact design spindle drive with a wide area of application

  • Continuously adjustable drive stroke and individual speeds for ventilation and smoke and heat extraction
  • Synchronisation of max. four drives without external control unit
  • Easy change of the mode of operation (Solo and Syncro, master/slave) via DIP switch
  • IQ windowdrive - intelligent drive control
  • SHEV tested according to EN 12101-2
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Compact design spindle drive with a wide area of application

Application Areas

  • Smoke and heat extraction system and natural ventilation (24 V) for direct opening in the façade and roof area
  • Inward- and outward-opening windows with bottom-hung, top-hung and side-hung leaves
  • Louvre and roof windows
  • Can be used in the exhaust air and air intake
  • Protected outdoor area (e.g. conservatories) with variant E 250 NT AB
  • Installation on wooden, PVC or metal windows

Product specifications

E 250 NT
Dimensions Stroke + 284 x 40 x 47 mm
Height 40 mm
Depth 47 mm
Possible stroke heights 100 mm, 150 mm, 200 mm, 230 mm, 300 mm, 500 mm, 750 mm, 1000 mm
Opening speed RWA 5.7 mm, stroke 500: 9.5 mm/s
Opening speed ventilation 5 mm/s
Tensile force (max.) 750 N
Force of pressure (max.) 750 N
Operating voltage 24 V, ± 25 %
Current consumption 1.3 A
Current consumption Ventilation (24 V): 0.9 A; RWA (18 V): 1.0 A, Stroke 500: Ventilation (24 V): 1.1 A; RWA (18 V): 1.3 A
Power consumption 20 W
Duty rating 30 %
Connection cable length 2 m
Special length of power supply cable 5 m, 7.5 m
Cable dimensions 4 x 0.75 mm²
Temperature range -5 °C - 70 °C
IP rating / protection rating IP65 / III
Tandem function No
Syncro function Yes
Adjustable opening speed (ventilation) No
Additional locking available Yes
Type of additional locking Locking drive
Type of stroke shortening Synchronising unit, Factory setting
End position cut-off extended electronic, via internal path sensor
End position cut-off retracted electronic, via path and load
Overload cut-off Yes
Complete opening within 60 s yes, up to 500 mm stroke
SHEV tested Yes
SHEV additional information yes, up to 500 mm stroke
Synchronisation (max.) 4 drives
Bottom-hung window INWARD-opening frame installation Yes
Bottom-hung window INWARD-opening leaf installation Yes
Bottom-hung window OUTWARD-opening frame installation Yes
Bottom-hung window OUTWARD-opening leaf installation No
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
Side-hung window OUTWARD-opening door leaf installation No
Top-hung window INWARD-opening frame installation Yes
Top-hung window INWARD-opening leaf installation Yes
Top-hung window OUTWARD-opening frame installation Yes
Top-hung window OUTWARD-opening leaf installation No
OUTWARD-opening roof window Yes
Projected top-hung window OUTWARD-opening frame installation No
Parallel-opening window OUTWARD-opening frame installation No

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Variants & Accessories

Contact

ZA GEZE Central +27-11-315-8286 24h Service Hotline +27-10-500-0552