ATV303 is a general-purpose inverter suitable for three-phase asynchronous motors with a power range of 0.37kW to 11kW. It features built-in Modbus communication protocol, plug-and-play, short menu design, compact size, wide temperature range, enhanced coating, and innovative airflow design. ATV303 is particularly suitable for industries such as textile machinery, ceramic machinery, woodworking machinery, machine tools, packaging and printing machinery. It also has strong starting and braking capabilities, cost-effectiveness, strong environmental adaptability, and user-friendly interface.
This manual introduces the ATV303 variable frequency drive, designed for three‑phase asynchronous motors with power ratings from 0.37 kW to 11 kW. It highlights the compact design, built‑in Modbus communication, and a wide operating temperature range of –10 °C to 55 °C.
Detailed sections cover selection guidelines, wiring diagrams, terminal labeling, control modes (V/F, vector, fan/pump), safety features, and maintenance procedures, helping users install and operate the drive efficiently in various industrial machines. This manual is written in Chinese.
| Power range | 0.37 kW – 11 kW |
|---|---|
| Input voltage | 380 V – 460 V three‑phase |
| Output frequency range | 0.5 Hz – 400 Hz |
| Switching frequency (rated) | 4 kHz |
| Over‑current capability | 150 % of rated current for 60 s |
| Instantaneous torque | 170 %–200 % of rated torque |
| Control modes | V/F, vector (sensorless), fan/pump (Kn2) |
| Built‑in communication | Modbus (optional CANopen, Profibus, etc.) |
| Operating temperature range | -10 °C to 55 °C |
The ATV303 supports motor power from 0.37 kW up to 11 kW.
The drive includes a built‑in Modbus communication protocol.
It can operate from –10 °C to 55 °C without derating.
It offers standard V/F, sensorless vector, and fan/pump (Kn2) control modes.