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.
- Compliant with Lift Directive 95/16/EC and EN 81-80
- EBRA20 is acting in upward direction on car guide rails
- Ascending car overspeed protection
- Braking force is generated by two spring-loaded brake shoes, which are kept open via electromagnetic coil
- Placed on upper cross beam of car frame structure
- Released by signal of overspeed governor contact
- 3 standard types of adapter plates for fixing to car frame structure available: easy and fast installation
- Acting also as sliding shoe on car frame
- Perfect solution for modernization: covers wide range of requirements
Technical features
|
Max. nominal speed
|
v = 2,0 m/s
|
|
Q =
|
240...2000 kg
|
|
Max. nominal load:
|
|
|
1 brake
|
1000 kg
|
|
2 brakes
|
2000 kg
|
|
Applicable width of guide rail head (oiled)
|
k = 7...19 mm
|
|
Min. width of guide rail running surface
|
n = 29 mm (k=7-8)
|
|
" " " "
|
n = 30 mm (k=11-13)
|
|
" " " "
|
n = 31 mm (k=14-16)
|
|
" " " "
|
n = 32 mm (k=19)
|
|
Max. guide shoe forces during load
|
4000 N
|
|
Max. guide shoe forces during normal run
|
2000 N
|
|
Weight per EBRA20
|
30 kg
|
|
Power supply
|
230 VAC +15%
|
|
Battery for emergency power supply
|
24 V; 2,1 Ah
|
|
Power usage (continuous use)
|
25 W per Coil
|
Subject to change without notice
Contact
Martin Tang,
Key account manager for KONE
Lucifer Li,
Key account manager for Schindler
Jeff Bian,
Key account manager for OTIS
Contact
