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Low-voltage equipment


Variable Frequency Drive Triol AT24 line UR

Variable Frequency Drive Triol AT24 line UR is a small VFD built into a cabinet with IP52 or IP54 enclosure. This VFD is an economical complete solution for controlling electric motors and pumps, ventilation systems and air conditioning with a capacity from 0.75 to 55 kW. Operating at temperature −10…+40 °C 

Triol AT24 VFD line UR successfully cover all the needs in a variety of industrial sectors.

The seven-segment control panel can be built-in optionally.

Power supply, V3×380/ 3×480 (–15%…+10%)
Power frequency, Hz50/60 (–5%…+5%)
Power range, kW0.75-55
Discretization change frequency setting, Hz0.1
Braking switchBuild-in (0.75-15 kW)  Build-in (22-55 kW optional)
Cycle adjustmentPID
Remote optionControl panel with display on seven-segment indicators
Output frequency, Hz0-400
PWM frequency, kHz2-10

Default value: 5.5 kW to 55 kW – 5 kHz.


EnclosureIP52, IP54
Casing materialMetal (0.75K-55K)
Operating temperature, °C (°F)−10…+40 °C

(14…104 °F)

Cooling typeAir, forced