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- ATV320U40N4B
- Variable Speed Drive
- France
- 325 × 60 × 245 mm
- 3 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Schneider Electric ATV320U40N4B is a variable speed drive (VFD) from the Altivar Machine ATV320 series, designed for controlling the speed and torque of three-phase AC motors.
It is used in OEM machinery and industrial automation systems where stable motor control, energy efficiency, and compact cabinet installation are required.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Schneider Electric |
| Series | Altivar Machine ATV320 |
| Model | ATV320U40N4B |
| Product Type | Variable Speed Drive |
| Rated Power | 4 kW |
| Supply Voltage | 380–500 V AC, 3-phase |
| Output | 3-phase variable AC output |
| Rated Output Current | ~9.5 A |
| Control Method | V/F control + sensorless vector control |
| EMC Filter | Integrated |
| Protection Class | IP20 |
| Mounting Type | Panel / book-style |
| Dimensions | 325 × 60 × 245 mm |
| Weight | 3 kg |
Function and Working Principle
The drive controls motor speed by converting fixed-frequency AC power into a variable output supply for the motor. This allows the motor to run at different speeds depending on process demand.
Working Process
- AC input is converted into DC inside the drive
- Internal DC circuit stabilizes power
- Inverter generates controlled AC output
- Output frequency is adjusted based on speed command
- Motor speed follows the drive reference signal
Key Functions
- Motor speed control for industrial processes
- Smooth acceleration and deceleration
- Stable torque at low speed
- Energy-efficient operation under variable load
- Built-in motor protection functions
- Compact design for OEM panel integration
Industrial Applications
- Pumps
- Fans and ventilation systems
- Conveyors
- Packaging machines
- Material handling systems
- General industrial automation equipment
Installation Notes
- Installed inside electrical control cabinets
- Requires proper ventilation for heat dissipation
- Shielded motor cables recommended
- Proper grounding required
- Parameter configuration required during commissioning
Compatible Systems
- Three-phase AC induction motors
- Schneider EcoStruxure / Modicon control systems
- Motor protection devices
- Industrial automation panels and MCCs
- Optional industrial communication modules depending on setup
Alternative Models
- ATV320U30N4B
- ATV320U37N4B
- ATV320U22N4B
- ATV312 series (legacy drives)
- ATV340 series (advanced machine control drives)
Key Advantages
- Compact book-style design
- Stable motor control performance
- Flexible configuration options
- Integrated EMC filtering
- Reliable operation in OEM environments
- Suitable for medium-power industrial loads
FAQ
Q: What is ATV320U40N4B used for?
It is used for controlling the speed of AC motors in industrial machines.
Q: Is it a soft starter?
No, it is a variable frequency drive.
Q: What motor type is supported?
Three-phase asynchronous AC motors.
Conclusion
The Schneider ATV320U40N4B Variable Speed Drive is a compact and reliable VFD designed for OEM and industrial applications, providing stable motor control, energy efficiency, and flexible system integration.