Technical data Manufacturer: EFAFLEX Tor- und Sicherheitssysteme GmbH & Co. KG Type: High-speed turbo door Model No.: EFA-STT-L Design: according to AZ 231 A11 Clearance width: 4,000 mm Vertical clearance: 3,700 mm Opening/closing speed: To approximate. 3.0 m/s; To approximate. 0.75 m/s Max. door leaf speed: up to 3.2 m/s, depending on the door size Door leaf guide: Round spiral Motor arrangement: left, high-frequency motor with frequency converter Number of visible slats: 15 Voltage: 1-phase 230 volts Remarks: Emergency release by means of a lever on the frame. Potential-free signal contacts for gate on / gate to available. AIS1 package with infrared presence detectors described in the documents as optional equipment.