This is a user manual for ATV 21 inverter, which mainly introduces the safety precautions, usage methods and maintenance of the inverter.
This manual explains the safety precautions required when using the Schneider ATV 21 frequency transformer, including hazard symbols, prohibited actions, and required protective equipment. It emphasizes that the device must not be used in safety‑critical applications such as aerospace, medical or life‑support systems.
Installation and wiring instructions cover proper grounding, input voltage verification, correct connection of motor output terminals, and the need for qualified personnel. Maintenance, inspection, and disposal procedures are also detailed, along with recommended warning‑label placement for emergency restart functions. This manual is written in Chinese.
| Input voltage tolerance | +10% to -15% |
|---|---|
| Maximum measurable DC voltage for testing | 800 V DC or higher |
| Maximum output voltage to PC side | 5 V |
No. The transformer must not be used for any equipment where a fault could endanger lives.