Key facts
- Brand
- Schneider
- Model
- ATV303
- Documents
- 2
- Languages
- ZH
- Last added
- 2011-12-20
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Schneider Electric ATV303 Variable Frequency Drive Manual
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.
Schneider ATV303 specifications
| 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 |
Source: Schneider Electric ATV303 Variable Frequency Drive Manual
All Schneider ATV303 documents by type
Disassembly, diagnostics and part numbers, for repair.
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What power range does the ATV303 support?
The ATV303 supports motor power from 0.37 kW up to 11 kW.
From: Schneider Electric ATV303 Variable Frequency Drive Manual
Which communication protocol is built into the ATV303?
The drive includes a built‑in Modbus communication protocol.
From: Schneider Electric ATV303 Variable Frequency Drive Manual
What does the safety symbol "危険" indicate?
It signals a possible hazard that could cause personal injury or death if the safety instructions are not followed.
What is the voltage rating of the ATV303?
The transformer is rated for three‑phase 380 V‑460 V.