ATO 1 hp 0.75 kW 3.8A VFD Variable Frequency Drive, 3 Phase 480V Input to 3-Phase Output VFD forAC Spindle Motor Speed Control

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 ATO  VFD variable frequency drive offers multiple voltage options VFD for 3ph motor 220V-480V 50Hz/60Hz power sources and is designed for precision control with sensorless vector variable frequency drive technology. Equipped with RS485 communication and strong overload capacity, this VFD ensures reliable performance. Features include automatic energy-saving operation that optimizes the V/F curve based on the load, automatic voltage regulation (AVR) to maintain constant output voltage with varying power source voltage, and automatic current limiting to avoid frequent overcurrent trips. Purchase directly from the manufacturer for the best price and quality assurance. Order now to support your projects with this high-performance VFD.

 Specs

Capacity： 1 hp (0.75 kW)

Shipping weight： 2 kg

Dimension： 190*104*150 mm

Rated current： 2.1A 

Input voltage： 3 phase 480V

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

Enclosure rating： IP 20

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