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- Schneider
- ATV312HU11N4
- Variable Speed Drive
- France
- 152 × 107 × 143 mm
- 1.8 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Schneider ATV312HU11N4 is a compact variable speed drive (VSD) from the Altivar 312 series, designed for controlling three-phase asynchronous motors in light- to medium-duty industrial applications. It provides precise motor speed regulation, smooth acceleration and deceleration, energy efficiency, and robust protection for motors in systems such as pumps, fans, conveyors, and small machinery.
With a rated motor power of 1.1 kW (1.5 HP), this drive is ideal for small to mid-size industrial processes where reliable performance and compact design are essential.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Schneider Electric |
| Model | ATV312HU11N4 |
| Product Type | Variable Speed Drive (VSD) |
| Series | Altivar 312 |
| Dimensions | 152 × 107 × 143 mm |
| Weight | 1.8 kg |
| Input Voltage | 380–500 V AC, 3-Phase |
| Rated Motor Power | 1.1 kW (1.5 HP) |
| Rated Output Current | ~3.2 A |
| Output Voltage | 0–500 V AC |
| Output Frequency | 0.1–500 Hz |
| Motor Type | Three-Phase Asynchronous Motor |
| Control Method | V/F Control, Sensorless Vector Control |
| Overload Capacity | 150% for 60 seconds |
| Communication Protocol | Modbus RTU, CANopen |
| Protection Rating | IP20 |
| Cooling Method | Natural Convection |
| Mounting Type | Panel / Wall Mount |
| Operating Temperature | -10°C to +50°C |
| Application | Light to medium industrial motor control |
Function and Working Principle
The ATV312HU11N4 controls motor speed by adjusting output voltage and frequency supplied to a three-phase motor, enabling stable torque and energy-efficient operation.
Core Functions
- Smooth motor start and stop
- Variable speed control for process optimization
- Energy-efficient operation under varying loads
- Built-in motor protection: overload, overcurrent, thermal
- Basic integration with automation systems via Modbus RTU or CANopen
Working Principle
The drive first converts AC input into DC using a rectifier stage, then uses an inverter to generate variable-frequency AC output. By controlling voltage and frequency, it precisely manages motor speed and torque while minimizing mechanical stress.
Role in Industrial Automation Systems
The ATV312HU11N4 supports industrial automation by:
- Matching motor speed to process demands
- Reducing energy consumption in variable-load systems
- Extending motor and equipment lifespan
- Enhancing process stability and efficiency
- Integrating with PLC-based automation networks
It is suitable for light to medium industrial systems requiring reliable and compact motor drives.
Industrial Applications
This drive is commonly used in:
- Small conveyor systems
- Pumps and fans
- Packaging machines
- HVAC and ventilation systems
- Small industrial machinery
- Material handling equipment
- OEM machines and light automation setups
Installation and System Integration
To ensure proper operation:
- Install vertically inside a ventilated electrical cabinet
- Maintain clearance for heat dissipation
- Connect to a three-phase 380–500 V AC supply
- Use shielded motor cables for EMC compliance
- Configure motor parameters before commissioning
- Ensure proper grounding and protective devices
Compatible System Components
The ATV312HU11N4 typically works with:
- Schneider Electric Modicon PLCs
- Industrial HMI operator panels
- Three-phase induction motors
- Motor protection circuit breakers (MPCB)
- Contactors and relays
- Modbus RTU / CANopen communication networks
- Sensors and automation control devices
Recommended Alternative Models
| Model | Type | Key Feature | Application |
|---|---|---|---|
| ATV312HU15N4 | VSD | 1.5 kW capacity | Slightly higher power requirement |
| ATV310HU11N4A | VSD | Compact Altivar 310 option | OEM or small industrial setups |
| ATV312H075N4 | VSD | 0.75 kW mid-range drive | Smaller load applications |
| ATV320U11N4C | Altivar 320 | Advanced communication | Modern automation systems |
| ATV312HU07N4 | VSD | 0.75 kW compact drive | OEM and small machines |
Key Advantages
- Reliable 1.1 kW motor control
- Compact, industrial-grade design
- Sensorless vector control for stable operation
- Integrated Modbus RTU and CANopen communication
- Built-in motor protection features
- Energy-efficient operation
- Easy installation and commissioning
- Suitable for light to medium industrial use
Technical FAQs
What is the main function of the ATV312HU11N4?
It regulates motor speed and torque by adjusting output voltage and frequency, ensuring efficient operation.
What motor power does it support?
It supports 1.1 kW (1.5 HP) motors.
Does it support communication with PLC systems?
Yes, it supports Modbus RTU and CANopen.
Can it be used in HVAC systems?
Yes, it is suitable for fans, small pumps, and other light-duty systems.
Does it include motor protection?
Yes, it features overload, overcurrent, and thermal protection.
Conclusion
The Schneider ATV312HU11N4 Variable Speed Drive is a compact, efficient, and reliable solution for light- to medium-duty industrial motor control. With its 1.1 kW capacity, integrated protection, and flexible communication capabilities, it ensures stable and energy-efficient operation in small industrial processes and OEM automation systems.