Product Introduction
The Schneider Electric ATV320U40N4C Variable Speed Drive is a powerful, flexible, and user‑friendly motor control solution designed for industrial and commercial applications requiring precise speed, torque, and process control. As part of the Altivar 320 (ATV320) family, this drive combines intelligent features, enhanced connectivity, and robust protection in a compact footprint — delivering reliable performance and energy‑efficient motor operation.
With a rated output power of 4.0 kW (5 HP) on a 380–480 V AC three‑phase supply, the ATV320U40N4C is engineered for versatile motor applications, including pumps, fans, compressors, conveyors, mixers, and more. Its advanced control capabilities help optimize system efficiency while reducing mechanical stress and energy consumption.
Technical Specifications
| Parameter | Specification |
|---|
| Product Type | Variable Speed Drive / VFD |
| Series | Altivar 320 (ATV320) |
| Model Number | ATV320U40N4C |
| Supply Voltage | 380 – 480 V AC, 3‑phase |
| Output Power | 4.0 kW (5 HP) |
| Output Current | Approx. 8–10 A (varies by setting) |
| Control Modes | V/f control, sensorless vector control |
| Frequency Range | 0–500 Hz |
| Motor Type | Three‑phase asynchronous motors |
| Built‑In Functions | PID control, ramp control, real‑time clock |
| Communications | Modbus RTU / optional fieldbus modules |
| Protection Features | Overcurrent, overvoltage, undervoltage, over‑temperature |
| EMC Filtering | Integrated industrial‑grade EMC compliance |
| Ambient Temperature | -10 °C to +50 °C |
| Altitude | Up to 1000 m without derating |
| Cooling Method | Natural convection or forced cooling (dependent on power) |
Applications
The ATV320U40N4C is suitable for a broad range of industrial and commercial use cases where speed control, energy savings, and system protection are priorities:
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Pump systems (water, wastewater, irrigation)
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Fans and blowers (HVAC, ventilation)
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Conveyor and material handling systems
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Mixers, crushers, and agitators
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Compressors and vacuum systems
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Packaging and processing equipment
By enabling soft starting, adjustable speed control, and adaptive algorithms, this drive improves machine performance and extends equipment lifetime.
Advantages
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Energy Efficiency – Reduces motor energy usage through variable speed control
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Improved Process Control – Precise speed and torque regulation
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Robust Protection – Safeguards against electrical faults and motor stress
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Flexible Communication – Supports Modbus and optional network modules
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Compact & Rugged Design – Fits space‑constrained panels with industrial durability
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User‑Friendly Setup – Intuitive interface and parameter configuration
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Reduced Mechanical Wear – Smooth acceleration and deceleration minimize stress
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Integrated EMC Filtering – Helps ensure compliance in industrial environments
These strengths make the ATV320U40N4C a versatile choice for both machine builders and system integrators seeking reliable performance and operational savings.
Technical FAQs
1. What motor power does the ATV320U40N4C support?
It supports up to 4.0 kW (5 HP) motor output on 380–480 V AC.
2. What control methods are available?
Standard V/f control with sensorless vector control option for enhanced performance.
3. Can it handle high‑frequency applications?
Yes, with a frequency range up to 500 Hz.
4. What communications protocols are supported?
Modbus RTU by default, with optional fieldbus modules available.
5. Is overload protection included?
Yes — built‑in protections include overcurrent and overvoltage handling.
6. What is the typical ambient temperature range?
-10 °C to +50 °C.
7. Can it operate at higher altitudes?
Yes — up to 1000 m without derating.
8. Does it include EMC filtering?
Yes — integrated industrial‑grade EMC compliance features.
9. Is it suitable for pump and fan applications?
Absolutely — designed for variable torque loads like pumps and fans.
10. How easy is commissioning?
User‑friendly controls and intuitive parameters make setup straightforward.
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