
Product Overview
The Schneider ATV310H037N4A is a compact and high-efficiency variable speed drive (VSD) from the Altivar 310 series. Designed for controlling three-phase asynchronous motors, it provides precise motor speed regulation, energy savings, and reliable operation in industrial and commercial applications.
Its small footprint and lightweight design make it ideal for space-constrained installations such as pumps, fans, compressors, and other machinery requiring flexible motor control.
Technical Specifications
| Parameter |
Details |
| Manufacturer |
Schneider Electric |
| Model |
ATV310H037N4A |
| Product Type |
Variable Speed Drive (VSD) |
| Dimensions |
143 × 72 × 130 mm |
| Weight |
0.8 kg |
| Input Voltage |
380–480 V AC, 3-phase |
| Output Power |
3.7 kW |
| Output Current |
8.7 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 |
| Mounting Type |
Panel or wall-mounted |
| Application |
Motor speed control, HVAC, pumps, fans, industrial machinery |
Function and Working Principle
The ATV310H037N4A regulates motor speed by adjusting the output voltage and frequency supplied to the motor.
Core Functions:
- Smooth motor start and stop
- Adjustable acceleration and deceleration ramps
- Energy-efficient operation
- Integrated protection against overload, overcurrent, and short circuits
- PID control for process optimization (optional)
Working Principle:
The drive converts fixed AC mains voltage into variable voltage and frequency, controlling motor speed while maintaining torque. Continuous monitoring ensures motor protection and operational reliability.
Role in Industrial and Commercial Systems
This VSD is essential for:
- Optimizing energy use in pumps, fans, and compressors
- Reducing mechanical stress and extending motor life
- Enabling smooth start/stop and precise speed control
- Integration with automation systems for remote monitoring and control
It contributes to energy savings, operational efficiency, and system reliability.
Industrial Applications
The ATV310H037N4A is widely used in:
- HVAC systems (fans, air handling units)
- Water and wastewater pumping
- Industrial machinery requiring variable speed
- Material handling systems
- Small to medium-sized compressors
- Building automation systems
Its compact size makes it ideal for installations with limited space.
Installation and System Integration
Proper installation ensures safe and reliable operation:
- Mounted in control panels or on walls with adequate ventilation
- Connected to three-phase AC power supply (380–480 V)
- Linked to motors via shielded cables
- Configured via onboard keypad or Schneider Electric software
- Must follow local wiring, grounding, and safety standards
Correct integration ensures optimal performance and longevity.
Compatible System Components
The ATV310H037N4A works with:
- Three-phase asynchronous motors
- PLCs and automation controllers
- Motor protection devices (MPCB, fuses)
- Industrial panels and contactors
- Communication modules (Modbus RTU)
These components together form a complete motor control solution.
Recommended Alternative Models
| Model |
Type |
Key Feature |
Application |
| ATV310H018N4A |
VSD |
1.8 kW, compact |
Small motors and fans |
| ATV310H055N4A |
VSD |
5.5 kW, mid-power |
Pumps and HVAC systems |
| ATV312HU037N4 |
Altivar 312 |
Enhanced PID and energy saving |
Industrial machinery |
| ATV320HU037N4 |
Altivar 320 |
Advanced control & communication |
Complex process systems |
| ATV310H075N4A |
VSD |
7.5 kW, higher power |
Medium industrial motors |
Key Advantages
- Compact and lightweight (0.8 kg)
- Precise motor speed and torque control
- Energy-efficient operation reduces costs
- Integrated motor protection for safety
- Flexible installation in tight spaces
- Easy configuration via keypad or software
Technical FAQs
Q1: What is the main function of the ATV310H037N4A?
It controls the speed and torque of three-phase motors for efficient and reliable operation.
Q2: Which motors is it compatible with?
Three-phase asynchronous motors.
Q3: Can it be used in HVAC systems?
Yes, ideal for fans, pumps, and air handling units.
Q4: What protections are included?
Overload, overcurrent, short-circuit, and thermal protection.
Q5: How is it configured?
Via onboard keypad or Schneider Electric configuration software.
Conclusion
The Schneider ATV310H037N4A Variable Speed Drive is a compact, lightweight, and reliable solution for controlling 3.7 kW three-phase motors. Its energy-efficient operation, precise speed control, and built-in motor protection make it an ideal choice for HVAC, pumping, and industrial applications where space-saving and performance are key considerations.