ATO 7.5hp 5.5kW 13A VFD Variable Frequency Drive, 3 Phase 400V Input to 3-Phase Output VFD for AC Spindle Motor Speed Control

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ATO 7.5 hp (5.5 kW) VFD variable frequency drive offers a versatile  with a range of voltage options for 3-ph motors, accommodating power sources of 208V- 480V at both 50Hz and 60Hz. This VFD features advanced sensorless vector control technology, providing precise motor control and strong overload protection. It includes RS485 communication for easy integration, as well as automatic energy-saving functions that optimize the V/F curve according to the load. The automatic voltage regulation (AVR) ensures constant output voltage despite fluctuations in the power source, and the automatic current limiting helps prevent overcurrent trips. Purchase directly from the manufacturer for competitive pricing and quality assurance. Order now to enhance your projects with this high-performance VFD.

 Specs

Capacity： 7.5 hp (5.5 kW)

Shipping weight： 5 kg

Dimension： 272*172*182 mm

Rated current： 13A

Input voltage： 3 phase 400V

Input frequency： 50Hz/ 60Hz

Output voltage： 3 phase AC 0~input voltage

Output frequency： 0Hz~1000Hz

Over load capacity： 150% of rated current for 1 minute, 180% of rated current for 3 seconds

Control mode： V/F control;Sensorless vector control;

Communication： RS485

Speed regulation： 1/100

Start torque： 150% of rating torque at 1 Hz

Speed control accuracy： ≤±0.5% of rating synchronous speed

Torque boost： Automatic torque boost, manual torque boost 0.1%~30.0%

Interior PID controller： Be convenient to make closed-loop system

Automatic energy save running： Optimize V/F curve automatically based on the load to realize power save running

Automatic voltage regulation (AVR)： Can keep constant output voltage when power source voltage varies.

Automatic current limiting： Limit running current automatically to avoid frequent over-current which will cause trip

Temperature： –10℃~ +40℃; VFD will be derated if ambient temperature exceed 40℃; each rise 1℃, the derate will be 5%

Humidity： 5%-95%, without condensation

Altitude： ≤1000m; VFD will be derated if above 1000m

Impingement and oscillation： Normal running:<5.9m/s2 (0.6g); Transportation:<15m/s2 (1.5g)

Store environment： –20℃~ +60℃; no dust, no corrosive gas, no direct sunlight