Fermator Automatic Landing Door Fermator automatic landing doors are vailable for low, middle and high consistency buildings, residences, commercial buildings, airports, hotels and official buildings. Fermatör 4 Panel Merkezi Fermatör 3 Panel Teleskobik Fermatör 2 Panel Teleskobik Fermator doors are manufactured according to International Lift Directives and EN 81-1/2, ASME A17.1-2000, 81-58, UL 10B EN. Supply voltage is 220 V DC VVVF or Mechanical options Open-close signal, It can be single or double Signal voltage 12 V-230 V AC or DC Nominal speed 900 Rpm. Maximum opening speed 1.00 m/s. Maximum closing speed 0.60 m/s.