PR and Marketing

Daria Getsman

Daria Getsman

Head of External Relations


Low-voltage equipment


Triol AT24 VFD Line L, plastic enclosure, IP20 protection degree, (optional IP54), from 5,5 to 37 kW

VFD Triol AT24 Line L – it is advantageous and comfy solution for each elevator. The series is specially designed to ensure safe, reliable and comfortable operation of lift equipment with capacity from 5.5 kW to 37 kW.

  • High overload capacity — 220 % during 1 — 2 sec, 150 %during 60 sec;
  • Close-loop speed or torque control;
  • Open-loop speed or torque control;
  • Unique algorithms for hoists control;
  • EMC filter C2 category allows to install the equipment in the electrical room close to the testing and automation facilities;
  • Easy installation at the control cabinet;
  • Support of the absolute and incremental encoders;
  • Compatibility with the lift application VFD’s of the main manufacturers;
  • Measuring motor parameters at stand still (no shaft rotation);
  • Integrated braking chopper.
Power range5.5 kW – 37 kW
Operating voltage3F 380 V/480 V -15/+10%
Network typeTN-C or TN-S
Asynchronous motor speed1500 rpm/min
Synchronous engine speed48 – 191 rpm/min
EMC C3 filterbuilt-in
Brake chopperbuilt-in
Efficientynot less 95 %
Enclosure SolutionsIP20, IP54
Ambient Operating Temperature+5 °C…+40 °C
Industrial CommunicationRS485 (Modbus RTU), CAN, Profibus DP
Type of regulation• Vector control without encoder type – accuracy of 0.1% of the nominal rate
• Vector with sensor – accuracy of 0.01 % of the nominal rate


Triol AТ24 modelRated motor power, kWRated current of power circuit, ATotal output power of tde inverter, kVA