Since 1977 Wittur supplies the lift industry with versatile and high-quality doors.
Since 1977 Wittur has been providing the lift industry with versatile and high-quality doors. More than 30 years later Wittur is the leading company in the lift doors segment, with state-of-the-art technical solutions and unparalleled product range. Regardless of whatever your lift requires - a round door with panoramic panels rather than a straight or a folding one - Wittur can supply the best solution for your needs.
Research for innovative solutions and rigid control of product quality are key features of Wittur Safeties. 
Wittur offers a wide range of car and counterweight frames. Modularly conceived, these components are very flexible in terms of rated load, height and width. The wide range of accessories includes safety gears, suspension pulleys, compensation chain and travelling cable hangers, allowing configurations suitable for different shaft layouts, lift designs and rated speeds. Wittur can also supply special frames for tailored projects.
Research for innovative solutions and rigid product quality control are key features of Wittur Safeties.
According to EN81-1/2 A3 and EN81-21 A1 (new lifts in existing buildings), new lifts installed after January 1st 2012 must be equipped with a system to prevent a car moving away from the floor with the landing door not in the locked position and the car door not in the closed position.
Since 1977 Wittur supplies the lift industry with versatile and high-quality doors..jpg)
Since 1977 Wittur supplies the lift industry with versatile and high-quality doors.
Since 1977 Wittur supplies the lift industry with versatile and high-quality doors.High energy efficiency door drives
ECO+ MIDI+ SUPRA
New high efficiency brushless drive design for low power consumption during operation and standby
Up to 48% less power consumption compared to previous drive designs (ECO+)
- Pre-configured from factory - no adjustments on site necessary (plug and play)
- Continuous mass detection - self adjusting acceleration and deceleration
- Fully electronically controlled closing force
- 24V emergency battery supply input
- Adjustable open force limitation
- Different settings for modernisation purposes
- 24V supply output signal to light curtains or photocells
- Self-diagnostic system
- CAN-Open interface available as option on Wittur door drives
- Vector control experience and performance now standard for the whole range of Wittur door drives
Technical features
|
TYPE
|
ECO+
|
MIDI+
|
SUPRA
|
| Motor characteristics |
Permanent magnet synchronous motor
|
Permanent magnet synchronous motor
|
Permanent magnet synchronous motor
|
| Drive system |
Vector control
|
Vector control
|
Vector control
|
| Max. power consumption |
80 W
|
550 W
|
900 W
|
| Max. speed |
0,5 m/s
|
0,7 m/s
|
1,0 m/s
|
| Max. total panel weight |
130 kg
|
270 kg
|
600 kg
|
| Protection class |
IP20
|
IP20, IP54
|
IP20, IP54
|
| Power supply |
127/230 VAC +/-20%, 50/60 Hz
|
127/230 VAC +/-20%, 50/60 Hz
|
127/230 VAC +/-20%, 50/60 Hz
|
Downloads
Contact
Martin Tang,
Key account manager for KONE
Lucifer Li,
Key account manager for Schindler
Jeff Bian,
Key account manager for OTIS
Contact
