Opening drives

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

E 250 NT spindle drive Spindle drive in a compact design 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
  • Easily change the mode of operation (Solo and Syncro, master/slave) by means of DIP switch
  • IQ windowdrive - intelligent drive control
  • Tested as a natural smoke and heat exhaust ventilation device (SHEV) in accordance with 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 as well as roof windows
  • Can be used in the exhaust air and air intake
  • E 250 NT for dry rooms onyl, Variant E 250 NT AB for protected outdoor area (e.g. canopy)
  • Installation on wooden, PVC or metal windows

Technical data

E 250 NT
Opening speed RWA 5.7 mm, stroke 500: 9.5 mm/s
Opening speed ventilation 5 mm/s
Force of pressure (max.) 750 N
Holding force (max.) 2000 N
Compressive force 750 N
Tensile force 750 N
Voltage at operation 24 V ± 25 %
Operating voltage 24 V DC
Current consumption 1.3 A
Current consumption according to area of application 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 %
Connector cable length 2 m
Special length of connector cable 5 m, 7.5 m
Min. core cross section 0.75 mm²
Number of cores 4 cores
Service temperature -5 - 70 °C
IP rating IP65
protection rating III
Synchronising function Yes
Additional locking available Yes
Type of additional locking mechanism 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
Number synchronisation drive units 4
KNX ability 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

Variants & Accessories

Contact

We would be happy to assist you +49-7152-203-0 Mo - Th: 7.30 a.m. - 5.00 p.m. / Fr: 7.30 a.m. - 4.00 p.m. Hotline for architects +49-7152-203-112 Mo - Th: 9.00 a.m. - 4.00 p.m. / Fr: 9.00 a.m. - 3.00 p.m. Service Hotline +49-1802-923392 (0.06 € / Calling from landline, mobile telephony max. 0.42 €)