Product Overview
The Schneider Electric ATV312HU22N4 Variable Frequency Drive (VFD) is an industrial‑grade motor control solution engineered to deliver precise speed regulation, optimized energy efficiency, and reliable performance across a wide range of applications. Part of the renowned Altivar 312 series, this model combines intuitive functionality, robust protection, and flexible connectivity — making it ideal for machine builders, integrators, and industrial installations.
Designed to control three‑phase asynchronous motors up to 2.2 kW (3 HP) on 380–480 V AC supply, the ATV312HU22N4 excels at reducing energy consumption, improving process control, and extending equipment life. Its rugged construction, advanced drive algorithms, and rich feature set make it a trusted choice for demanding environments.
Technical Specifications
| Parameter | Specification |
|---|
| Product Type | Variable Frequency Drive (VFD) |
| Series | Altivar 312 |
| Model Number | ATV312HU22N4 |
| Supply Voltage | 380 – 480 V AC, 3‑phase |
| Output Power | 2.2 kW (3 HP) |
| Output Current | Approx. 5.0–7.0 A (depending on voltage) |
| Control Method | V/f with sensorless flux vector option |
| Frequency Range | 0–590 Hz |
| Switching Frequency | Adjustable |
| Motor Type | Three‑phase asynchronous motors |
| Built‑In Functions | PID control, ramp control, auto‑tuning |
| Communication | Modbus RTU (optional plug‑in module) |
| Protection Features | Overcurrent, overvoltage, undervoltage, overtemperature, short‑circuit |
| EMC Compliance | Meets industrial EMC standards |
| Ambient Temperature | -10°C … +50°C |
| Humidity | Up to 95 % non‑condensing |
| Altitude | Up to 1000 m without derating |
Applications
The ATV312HU22N4 is suited for a wide array of industrial and commercial applications where motor speed and torque control are essential:
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Pumps (water, wastewater, irrigation)
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Fans and blowers
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Conveyor systems
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Mixers and agitators
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HVAC units and air handling systems
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Packaging machinery
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Material handling equipment
By delivering smooth acceleration, deceleration, and precise speed regulation, this VFD enhances process efficiency and reduces mechanical stress.
Advantages
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Energy Efficiency – Reduces motor energy consumption through optimized speed control
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Enhanced Motor Protection – Built‑in protections safeguard both drive and motor
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Flexible Control Options – Adjustable control, PID loops, and optional communication
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Compact, Rugged Design – Ideal for both industrial and commercial panel installations
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Easy Setup & Tuning – Intuitive parameters and auto‑tuning features simplify commissioning
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Reduced Mechanical Wear – Soft start/stop and controlled acceleration protect system components
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Reduced Noise & Heat – Advanced switching reduces audible noise and thermal stress
These benefits make the ATV312HU22N4 a strong candidate for systems requiring precise motor performance and long‑term reliability.
Technical FAQs
1. What voltage range does the ATV312HU22N4 support?
It operates on a 380–480 V AC three‑phase supply.
2. What motor power can it deliver?
Up to 2.2 kW (3 HP).
3. Does it have built‑in motor protection?
Yes — including overcurrent, overvoltage, and overtemperature protections.
4. Can it control motor speed precisely?
Yes — with V/f control and advanced features tailored for smooth speed regulation.
5. Does it support communication protocols?
Modbus RTU is supported with an optional communication module.
6. Is it suitable for fan and pump control?
Yes — well‑suited for variable torque loads like fans and pumps.
7. What ambient temperature range is supported?
‑10°C to +50°C.
8. Can it operate at high altitudes?
Yes — up to 1000 m without derating.
9. Does it include auto‑tuning features?
Yes — to simplify setup for different motor types.
10. Is it easy to install?
Yes — compact, panel‑mount installation with accessible terminals and intuitive parameters.
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