DYNAC STATRONIC AUTOMATIC RESCUE DEVICE (A.R.D)For Traction Lifts An unexpected mains failure can trap people inside the lift car. The A.R.D. operates immediately and, powered by a bank of storage
batteries brings the car to the nearest floor and opens the automatic doors. The A.R.D. equipment operates automatically upon occurrence of a main blackout. It drives the winch gear motor by means
of a static frequency converter powered by a bank of storage batteries, brings the car to the nearest floor and opens the automatic doors.