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- Schneider
- ATV312H075N4
- Variable Speed Drive
- France
- 143 x 107 x 152 mm
- 1.8 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Schneider ATV312H075N4 is a compact variable speed drive (VSD) from the Altivar 312 series, designed for precise control of three-phase asynchronous motors in industrial and OEM applications. It provides smooth motor acceleration, stable torque control, and energy-efficient operation for systems such as pumps, fans, conveyors, and light industrial machinery.
With a rated motor power of 0.75 kW (1 HP), this model is widely used in simple machine automation where reliability, easy commissioning, and compact design are essential.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Schneider Electric |
| Model | ATV312H075N4 |
| Product Type | Variable Speed Drive (VSD) |
| Series | Altivar 312 |
| Dimensions | 143 × 107 × 152 mm |
| Weight | 1.8 kg |
| Input Voltage | 380–500 V AC, 3-Phase |
| Rated Motor Power | 0.75 kW (1 HP) |
| Rated Output Current | ~2.4 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 |
| EMC Filter | Integrated |
| Protection Rating | IP20 |
| Cooling Method | Natural Convection |
| Mounting Type | Panel Mount |
| Operating Temperature | -10°C to +50°C |
| Application | Light industrial motor control |
Function and Working Principle
The ATV312H075N4 controls motor speed by adjusting output frequency and voltage supplied to the motor, enabling precise speed regulation and optimized torque performance.
Core Functions
- Smooth motor start and stop
- Variable speed control for process optimization
- Energy-saving operation under varying load conditions
- Built-in motor protection (overload, overcurrent, thermal protection)
- Basic communication integration with automation systems
Working Principle
The drive first converts AC input into DC using a rectifier stage. This DC is then inverted into a variable-frequency AC output. By controlling frequency and voltage, the drive adjusts motor speed while maintaining torque stability and reducing mechanical stress on the system.
Role in Industrial Automation Systems
The ATV312H075N4 plays a key role in automation systems by:
- Matching motor speed to process demand
- Reducing energy consumption in variable-load applications
- Improving mechanical lifespan of driven equipment
- Enhancing process stability and efficiency
- Supporting integration with PLC-based control systems
It is commonly used in OEM machines and compact industrial installations.
Industrial Applications
This drive is widely used in:
- Small conveyor systems
- Ventilation and exhaust fans
- Small pumps and circulation systems
- Packaging machinery
- Textile auxiliary equipment
- Light manufacturing machines
- General-purpose automation systems
Installation and System Integration
To ensure stable performance:
- Install vertically inside a ventilated control cabinet
- Maintain sufficient clearance for heat dissipation
- Connect to a three-phase 380–500 V supply
- Use shielded motor cables where necessary
- Configure motor parameters before commissioning
- Ensure proper grounding and EMC compliance
Proper installation improves reliability and reduces downtime.
Compatible System Components
The ATV312H075N4 is typically integrated with:
- Schneider Electric Modicon PLC systems
- Industrial HMI operator panels
- Three-phase induction motors
- Motor protection circuit breakers (MPCB)
- Contactors and relays
- Modbus RTU / CANopen communication networks
- Industrial sensors and control devices
Recommended Alternative Models
| Model | Type | Key Feature | Application |
|---|---|---|---|
| ATV312H055N4 | VSD | Lower power version | 0.55 kW systems |
| ATV312H110N4 | VSD | Higher power option | 1.1 kW loads |
| ATV310HU07N4A | VSD | Altivar 310 compact model | OEM machinery |
| ATV320U07N4C | VSD | Modern Altivar 320 series | Smart automation systems |
| ATV312H037N4 | VSD | Lower capacity option | Very light loads |
Key Advantages
- Reliable 0.75 kW motor control
- Compact industrial design
- Sensorless vector control for stable performance
- Integrated Modbus RTU and CANopen communication
- Built-in motor protection functions
- Energy-efficient operation
- Easy installation and commissioning
- Suitable for OEM and light industrial use
Technical FAQs
What is the main function of the ATV312H075N4?
It controls motor speed and torque by adjusting frequency and voltage for efficient operation.
What motor power does it support?
It supports 0.75 kW (1 HP) motors.
Does it support communication protocols?
Yes, it supports Modbus RTU and CANopen.
Can it be used in HVAC systems?
Yes, it is commonly used in fans and small pump applications.
Does it include motor protection?
Yes, it includes overload, overcurrent, undervoltage, and thermal protection.
Conclusion
The Schneider ATV312H075N4 Variable Speed Drive is a compact and reliable solution for light-duty motor control applications. With its 0.75 kW capacity, flexible communication options, and integrated protection features, it delivers stable and energy-efficient performance for OEM machinery and general industrial automation systems.