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- Schneider
- ATV212HU55N4
- Variable Speed Drive
- France
- 184 x 142 x 150 mm
- 3.35 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Schneider ATV212HU55N4 is a compact and high-performance variable speed drive (VSD) from Schneider Electric’s Altivar 212 series. Designed for controlling three-phase asynchronous motors, it provides precise speed regulation, enhanced energy efficiency, and optimized system performance in industrial, commercial, and building automation applications.
This drive is particularly suitable for HVAC systems, pumps, fans, and other machinery requiring smooth motor control and reduced mechanical stress.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Schneider Electric |
| Model | ATV212HU55N4 |
| Product Type | Variable Speed Drive (VSD) |
| Dimensions | 184 × 142 × 150 mm |
| Weight | 3.35 kg |
| Input Voltage | 380–480 V AC, 3-phase |
| Output Power | 5.5 kW |
| Output Current | 12.3 A |
| Control Type | V/f (Voltage/Frequency) control, sensorless vector |
| Motor Compatibility | Three-phase asynchronous motors |
| Communication Options | Modbus RTU (optional) |
| Protection Rating | IP20 |
| Operating Temperature | -10°C to 50°C |
| Cooling Method | Natural convection / fan assisted |
| Mounting Type | Panel or wall-mounted |
| Application | Motor speed control, HVAC, pumping, industrial machinery |
Function and Working Principle
The ATV212HU55N4 regulates motor speed and torque by adjusting the output voltage and frequency supplied to a three-phase motor.
Core Functions:
- Smooth start and stop of motors
- Adjustable acceleration and deceleration ramps
- Energy-efficient motor operation
- Overload, overcurrent, and short-circuit protection
- Integrated PID control for process optimization
Working Principle:
The drive converts AC mains power into a variable frequency and voltage output for the motor. By controlling the frequency, it adjusts motor speed while maintaining torque performance. Internal protections and monitoring ensure safe and reliable operation.
Role in Industrial and Commercial Systems
This variable speed drive plays a central role in motor-driven applications:
- Optimizes energy consumption in HVAC, pumping, and fan systems
- Reduces mechanical wear by smooth motor control
- Enables process automation via PID control loops
- Protects motors and downstream equipment from electrical and thermal stress
It is a key component in energy-efficient and automated industrial systems.
Industrial Applications
The ATV212HU55N4 is widely used in:
- HVAC systems (fans, blowers)
- Water and wastewater pumping stations
- Industrial machine control
- Material handling equipment
- Conveyor systems
- Agricultural irrigation systems
Its compact size and flexible configuration make it suitable for both new installations and retrofits.
Installation and System Integration
Proper installation ensures optimal performance:
- Mounted on panels, walls, or enclosures with adequate ventilation
- Connected to three-phase AC power supply (380–480 V)
- Linked to the motor via shielded cables
- Configured using onboard keypad or Schneider Electric software
- Requires compliance with local wiring, grounding, and safety standards
Correct installation ensures reliable performance and extended service life.
Compatible System Components
The ATV212HU55N4 typically works alongside:
- Schneider Electric three-phase motors
- Control panels and contactors
- Motor protection circuit breakers (MPCB)
- Industrial automation controllers (PLC, SCADA)
- Communication modules (Modbus RTU or Ethernet)
These components form an integrated motor control and automation solution.
Recommended Alternative Models
| Model | Type | Key Feature | Application |
|---|---|---|---|
| ATV212HU30N4 | Variable Speed Drive | 3 kW, compact | Small motor applications |
| ATV212HU75N4 | Variable Speed Drive | 7.5 kW, higher power | Medium industrial motors |
| ATV320HU55N4 | Altivar 320 VSD | Advanced control, PID loops | Complex process systems |
| ATV312HU55N4 | Altivar 312 VSD | Compact HVAC & pumps | Energy-saving HVAC |
| ATV610HU55N4 | High-performance VSD | Integrated safety and energy features | Critical industrial machinery |
Key Advantages
- Precise motor speed and torque control
- Compact and lightweight design (3.35 kg)
- Energy-efficient operation reduces operating costs
- Multiple motor protection features
- Easy configuration via keypad or software
- Flexible installation options in industrial panels
Technical FAQs
Q1: What is the main function of ATV212HU55N4?
It regulates the speed and torque of three-phase motors for smooth operation and energy efficiency.
Q2: Which types of motors is it compatible with?
Three-phase asynchronous motors.
Q3: Can it be used in HVAC applications?
Yes, it is ideal for fans, blowers, and pumps in HVAC systems.
Q4: What protection features does it provide?
Overload, overcurrent, short-circuit, and thermal protection.
Q5: How is it configured?
Via onboard keypad or Schneider Electric configuration software.
Conclusion
The Schneider ATV212HU55N4 Variable Speed Drive is a versatile, compact, and reliable solution for controlling three-phase motors in industrial and commercial applications. Its precise motor control, energy efficiency, and robust protection features make it an essential component for modern automation systems, HVAC installations, and pumping applications.
It offers engineers and system integrators a dependable solution for both new installations and retrofits, combining performance, flexibility, and safety in a compact footprint.