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.
Tyler produces both standard and custom entrances in a large variety of shapes, materials and finishes in order to meet any customer and architectural need. Operator for car door
AMD 2 car door operator
AMD is a car door operator system which can be used for any kind of application: from residential buildings up to highly frequented office buildings and hotels.
Advantages:
Due to the modular concept it is possible to optimally adapt the AMD system to the respective application.
Advantages:
- Modularity (it's possible to couple AMD1 and AMD2 to any kind of landing or car doors)
- Compact design
- Car front wall fixing
- Pre-adjusted and tested in the factory with self-learning functions for opening and closing time speed. Accordingly we can have a fast and easy installation because there is no more need for additional adjustments in the site
- Low energy consumption
- High smoothness also in case of high opening speeds
- Global product: AMD1 complies with the standards EN81, CSA NRTL/C, AS1735.2, Hong Kong “code of practice”
- Ample range with 9 types of doors
- Suitable for single panel weight up to 125 kg
- Various modernization components and packages available
Drives
AMD2 car door operator is available in two types of drives, MIDI and SUPRA.
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TYPE
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MIDI
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SUPRA
|
|
Drives
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3-phase PMSM
Vector control
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3-phase PMSM
Vector control
|
|
Power supply
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(127V;2A ) ±20%
Univ. (230V;1A) ±20%
50/60 Hz
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(127V;2A ) ±20%
Univ. (230V;1A) ±20%
50/60 Hz
|
|
Class protection
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IP20 (IP54 on request)
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IP20 (IP54 on request)
|
|
Maximum movable masses (car and landing door panels)
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300 kg
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700 kg
|
|
Car door lock (Optional)
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Available
|
Available
|
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Self-learning
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Available
|
Available
|
|
Protective device - Power supply
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24V DC + 10%
150 mA |
24V DC + 10%
150 mA |
|
Emergency battery drive
|
18-26 VDC
max 15A |
18-26 VDC
max 20A |
