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- Schneider
- ATV312HU30N4
- Variable Speed Drive
- France
- 184 × 142 × 152 mm
- 3.1 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Schneider ATV312HU30N4 is a compact yet powerful variable speed drive (VSD) from the Altivar 312 series, designed to control three-phase asynchronous motors in light- to medium-duty industrial applications. It delivers precise motor speed and torque regulation, smooth acceleration/deceleration, energy-efficient operation, and integrated motor protection.
With a rated motor power of 3 kW (4 HP), this drive is suitable for medium industrial processes, small pumps, fans, conveyors, and machinery that require reliable performance and compact installation.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Schneider Electric |
| Model | ATV312HU30N4 |
| Product Type | Variable Speed Drive (VSD) |
| Series | Altivar 312 |
| Dimensions | 184 × 142 × 152 mm |
| Weight | 3.1 kg |
| Input Voltage | 380–500 V AC, 3-Phase |
| Rated Motor Power | 3 kW (4 HP) |
| Rated Output Current | ~8 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 / Internal Fan |
| Mounting Type | Panel / Wall Mount |
| Operating Temperature | -10°C to +50°C |
| Application | Light to medium industrial motor control |
Function and Working Principle
The ATV312HU30N4 controls motor speed by adjusting output voltage and frequency, providing stable torque, energy-efficient operation, and reliable performance for industrial processes.
Core Functions
- Smooth motor start and stop
- Precise variable speed control under varying loads
- Energy-efficient operation for industrial applications
- Motor protection: overload, overcurrent, thermal protection
- Integration with automation systems via Modbus RTU or CANopen
Working Principle
The drive converts incoming AC voltage into DC through a rectifier, then produces variable-frequency AC via an inverter. By regulating output voltage and frequency, it achieves precise speed and torque control while minimizing mechanical stress.
Role in Industrial Automation Systems
The ATV312HU30N4 supports industrial systems by:
- Matching motor speed to process requirements
- Reducing energy consumption in variable-load environments
- Extending motor and equipment lifespan
- Enhancing process stability and production efficiency
- Integrating seamlessly with PLC-based automation networks
It is suitable for medium industrial applications where compact size and reliable motor control are essential.
Industrial Applications
Common applications include:
- Small to medium conveyor systems
- Pumps and fans
- Packaging machinery
- HVAC systems with small to medium fans
- Material handling and light processing equipment
- OEM machinery and automation systems
Installation and System Integration
For optimal performance:
- Install vertically inside ventilated control cabinets
- Maintain sufficient clearance for heat dissipation
- Connect to a three-phase 380–500 V AC supply
- Use shielded motor cables for EMC compliance
- Configure motor parameters prior to commissioning
- Ensure proper grounding and protective devices
Compatible System Components
The ATV312HU30N4 integrates with:
- Schneider Electric Modicon PLC systems
- Industrial HMI operator panels
- Three-phase induction motors
- Motor protection circuit breakers
- Contactors and relays
- Modbus RTU / CANopen networks
- Sensors and automation control devices
Recommended Alternative Models
| Model | Type | Key Feature | Application |
|---|---|---|---|
| ATV312HU22N4 | VSD | 2.2 kW mid-range drive | Slightly lower power requirement |
| ATV312HU40N4 | VSD | 4 kW higher power drive | Medium industrial loads |
| ATV320U30N4C | Altivar 320 | Advanced communication | Smart automation systems |
| ATV312H075N4 | VSD | 0.75 kW compact drive | Light industrial applications |
| ATV310HU30N4A | VSD | Compact Altivar 310 | OEM and small machinery |
Key Advantages
- Reliable 3 kW motor control
- Compact industrial-grade design
- Sensorless vector control for stable torque and speed
- Integrated Modbus RTU and CANopen communication
- Built-in motor protection features
- Energy-efficient operation
- Easy installation and commissioning
- Suitable for medium industrial applications
Technical FAQs
What is the main function of the ATV312HU30N4?
It regulates motor speed and torque by adjusting output voltage and frequency for efficient operation.
What motor power does it support?
It supports 3 kW (4 HP) three-phase motors.
Can it communicate with automation systems?
Yes, it supports Modbus RTU and CANopen.
Is it suitable for HVAC systems?
Yes, for small- to medium-size fans and pumps.
Does it include motor protection?
Yes, it includes overload, overcurrent, and thermal protection.
Conclusion
The Schneider ATV312HU30N4 Variable Speed Drive is a compact and reliable solution for medium industrial motor control. With a 3 kW capacity, integrated protection features, and flexible communication options, it ensures stable, energy-efficient, and long-lasting performance for small- to medium-size industrial processes and OEM automation systems.