The Schneider Electric ATV71HD22N4Z belongs to the high-performance Altivar 71 series. This frequency inverter manages three-phase asynchronous motors with precision. It delivers 22 kW of power at 400V. Engineers designed this drive for constant torque applications. It excels in heavy-duty industrial environments.
The unit supports a wide input voltage range. It operates between 380V and 480V. The drive includes a built-in EMC filter. This reduces electromagnetic interference effectively. It features an IP20 protection rating. This makes it suitable for enclosure mounting. The “Z” suffix indicates a version without a graphic terminal. Users configure it via communication ports or external interfaces.
| Feature | Specification |
| Brand | Schneider Electric |
| Model Number | ATV71HD22N4Z |
| Power Rating (Normal Duty) | 22 kW / 30 HP |
| Rated Supply Voltage | 380…480 V AC (3-Phase) |
| Line Current | 50 A (380V) to 42 A (480V) |
| Apparent Power | 32.9 kVA |
| Continuous Output Current | 48 A at 2.5 kHz |
| Maximum Transient Current | 72 A for 60 seconds |
| Output Frequency | 0.1…599 Hz |
| Product Weight | 19.0 kg |
Core Functional Capabilities
This variable speed drive utilizes advanced control algorithms. It offers flux vector control without a sensor. It also supports voltage/frequency ratios. These features ensure high torque at low speeds. The drive maintains steady motor performance under varying loads. It protects mechanical components by reducing start-up stress.
The ATV71HD22N4Z simplifies complex system integration. It includes Modbus and CANopen protocols as standard. Users can add communication cards for Ethernet or Profibus. The drive manages long motor cables efficiently. It supports 100-meter shielded and 200-meter unshielded cables. Integrated safety functions like “Safe Torque Off” enhance operator security.
Industrial Applications
The Altivar 71 series serves demanding sectors. It powers heavy lifting equipment and cranes. It controls high-pressure pumps and industrial fans. The drive suits conveyors and process machinery. It handles wood, metal, and textile processing tasks. The robust thermal design ensures reliability. It operates in ambient temperatures up to 50°C.
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