Product Overview
The Schneider Electric ATV320D11N4B Variable Speed Drive is a compact yet powerful solution tailored for precise motor control in industrial and commercial automation systems. Part of the Altivar 320 (ATV320) family, this drive combines energy‑efficient performance, strong protective features, and flexible connectivity in a space‑efficient form factor.
Engineered to control three‑phase asynchronous motors up to 1.1 kW (1.5 HP) on a 380–480 V AC supply, the ATV320D11N4B is ideal for systems that demand smooth speed variation, reduced mechanical stress, and advanced process control.
Technical Specifications
| Parameter | Specification |
|---|
| Product Type | Variable Speed Drive / VFD |
| Series | Altivar 320 (ATV320) |
| Model Number | ATV320D11N4B |
| Supply Voltage | 380 – 480 V AC, 3‑phase |
| Output Power | 1.1 kW (1.5 HP) |
| Output Current | Approx. 3.0 – 4.0 A |
| 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, short‑circuit |
| EMC Compliance | Integrated industrial‑grade EMC filtering |
| Ambient Temperature | -10 °C to +50 °C |
| Altitude | Up to 1000 m without derating |
| Cooling Method | Natural convection |
Applications
The ATV320D11N4B is suited for a diverse range of industrial and commercial motor‑driven systems, including:
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Pump systems (water, wastewater, irrigation)
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Fans and ventilation systems
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Conveyor and material handling drives
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Mixers and agitators
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Compressors and vacuum systems
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Packaging and processing equipment
This drive facilitates smooth speed regulation, soft starting, and optimized energy consumption, improving system reliability and lifespan.
Advantages
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Energy‑Efficient Control – Reduces motor energy usage through speed regulation
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Flexible Motor Control – Supports both V/f and sensorless vector modes
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Compact & Rugged Design – Easy to install in tight control cabinets
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Integrated Protection – Built‑in safeguards against electrical faults and overloads
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Enhanced Process Control – PID functions and ramp profiles support smooth operation
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Reduced Mechanical Wear – Soft start/stop protects both drive and mechanism
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Modbus Connectivity – Optional communication adds connectivity without complexity
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Industrial EMC Filtering – Helps maintain compliance in challenging environments
These benefits make the ATV320D11N4B well‑suited for machine builders, system integrators, and process engineers.
Technical FAQs
1. What voltage does the ATV320D11N4B operate on?
It runs on a 380–480 V AC three‑phase supply.
2. What motor power can it control?
Up to 1.1 kW (1.5 HP) output.
3. What control methods are supported?
It offers V/f control and sensorless vector control for enhanced performance.
4. Can it handle up to 500 Hz frequency?
Yes — the frequency range supports up to 500 Hz.
5. Does it support communication protocols?
Modbus RTU is supported with optional communication modules.
6. What protections are built in?
Overcurrent, overvoltage, undervoltage, and short‑circuit protections are included.
7. What ambient temperature range is supported?
-10 °C to +50 °C.
8. Is altitude a concern?
It can operate effectively up to 1000 m without derating.
9. Is it appropriate for pump and fan applications?
Yes — it is well‑suited for variable torque loads like pumps and fans.
10. Is installation simple?
Yes — the compact and intuitive design supports quick commissioning.
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