Product Overview

Reliable motor speed control is an essential part of modern industrial automation. Many machines require motors to operate at different speeds according to production conditions, load requirements, and process settings. The Schneider ATV310H037N4E is an Easy Altivar 310 Variable Speed Drive (VSD) designed to provide efficient and flexible speed control for three-phase asynchronous motors.

The ATV310H037N4E is designed for 0.37 kW / 0.5 HP motor applications and operates from a three-phase 380–460 VAC power supply. It is intended primarily for simple machine applications where dependable variable-speed operation, straightforward commissioning, and compact installation are important.

The drive regulates motor speed by controlling the frequency and voltage supplied to the connected motor. This allows machinery to operate at an appropriate speed rather than continuously running the motor at full speed. As a result, the system can achieve improved process flexibility, smoother acceleration and deceleration, and reduced mechanical stress.

With specified dimensions of 143 × 72 × 130 mm and a weight of approximately 0.8 kg, the ATV310H037N4E provides a compact solution for industrial control cabinets and machine panels. The drive also incorporates Modbus communication through RS-485, allowing it to be integrated into PLC-based automation systems.

Technical Specifications

Function and Working Principle

The primary function of the Schneider ATV310H037N4E is to regulate the speed of a three-phase asynchronous motor by controlling the frequency and voltage supplied to the motor.

A conventional motor connected directly to the electrical supply normally operates at a relatively fixed speed. The variable speed drive introduces an electronic control stage between the power supply and motor, allowing the output frequency to be adjusted according to the required operating condition.

The ATV310H037N4E performs several important functions, including:

• Variable motor speed control
• Adjustable acceleration
• Adjustable deceleration
• Smooth motor starting
• Controlled motor stopping
• Motor torque management
• U/F motor control
• Sensorless vector control
• Electronic overload protection
• Overcurrent monitoring
• Overvoltage protection
• Undervoltage protection
• Motor thermal protection
• Underload detection
• Overload detection
• Fault monitoring
• Modbus communication
• Local parameter configuration

The basic operating sequence is:

Three-Phase AC Input → Rectifier → DC Link → Inverter Circuit → Variable-Frequency Output → AC Motor

The drive converts the incoming AC power into a controlled electrical output. By modifying the output frequency and voltage, the inverter controls the motor’s operating speed and torque.

For example, if a conveyor does not need to operate at maximum speed, the PLC can send a lower speed reference to the drive. The ATV310H037N4E adjusts its output accordingly, allowing the motor to run at the required speed.

Role in Industrial Control Systems

The ATV310H037N4E serves as a motor-control interface between the automation controller and the connected three-phase motor.

A typical automation system can include:

• Schneider Modicon PLC
• Schneider HMI
• Easy Altivar 310 Variable Speed Drive
• Motor protection circuit breaker
• Magnetic contactor
• Three-phase asynchronous motor
• Proximity sensors
• Pressure sensors
• Temperature sensors
• Emergency stop circuits
• Modbus communication network
• Remote I/O
• SCADA system

The PLC can send start, stop, speed reference, and other control commands to the variable speed drive. The ATV310H037N4E then converts those commands into the appropriate motor operating conditions.

The integrated Modbus RTU communication interface provides an additional method for connecting the drive to a supervisory controller or automation network.

This makes the ATV310H037N4E suitable for systems where motor control needs to be coordinated with other machine functions.

Industrial Applications

The Schneider ATV310H037N4E is designed for simple machine applications and can be used in a wide range of industrial equipment.

Typical applications include:

• Conveyor systems
• Packaging machinery
• Material handling equipment
• Textile machines
• Printing machines
• Machine tools
• Woodworking machinery
• Ceramic machinery
• Small pumps
• Industrial fans
• Ventilation systems
• Assembly machinery
• Processing equipment
• OEM machines

Conveyor Systems

The drive can adjust conveyor speed according to production requirements. Controlled acceleration and deceleration also help reduce mechanical shock to belts, couplings, gears, and motors.

Packaging Machinery

Packaging equipment often requires precise control of motor speed during feeding, conveying, filling, or positioning operations. The ATV310H037N4E provides a compact method of regulating motor speed.

Material Handling

Material-handling systems can use variable-speed control to synchronize conveyors and other mechanical equipment.

Textile Machinery

Textile machines often require stable motor speed and controlled acceleration. Variable frequency control can improve operating flexibility and reduce mechanical stress.

Machine Tools

The drive can provide speed control for suitable auxiliary or process motors in machine-tool applications.

Installation and System Integration

Correct installation is important for maintaining reliable drive operation and protecting the connected motor.

Recommended installation practices include:

• Install the drive in a suitable electrical enclosure.
• Mount the drive in the recommended vertical position.
• Provide adequate ventilation around the unit.
• Verify the three-phase input voltage before energizing.
• Connect protective grounding correctly.
• Use appropriately rated motor cables.
• Separate power cables and sensitive control wiring where practical.
• Verify motor nameplate information.
• Configure rated motor voltage and current correctly.
• Configure the appropriate acceleration and deceleration times.
• Select the appropriate motor-control mode.
• Verify motor rotation during commissioning.
• Configure Modbus communication parameters when network control is required.
• Test the motor at low speed before full-load operation.
• Check drive status and fault information during commissioning.

The ATV310H037N4E uses a 380–460 VAC three-phase input, so the incoming supply must be verified before connection.

Because this model is specified without an EMC filter, the overall installation should be designed with appropriate EMC practices where electromagnetic compatibility is important.

Compatible System Components

The ATV310H037N4E can be integrated with Schneider automation equipment and standard industrial electrical components.

Typical associated components include:

• Schneider Modicon PLC
• Schneider HMI
• Easy Altivar 310 drives
• Modbus RS-485 devices
• Industrial communication gateways
• Motor circuit breakers
• Contactors
• Three-phase induction motors
• Remote I/O modules
• Proximity sensors
• Pressure sensors
• Temperature sensors
• Emergency stop devices
• Industrial control panels
• SCADA systems

A typical control architecture can be represented as:

Sensors → PLC → ATV310H037N4E → Motor → Mechanical Equipment

The PLC receives process information from sensors and determines the appropriate motor operating condition. The ATV310H037N4E then controls the motor according to the commands received from the automation system.

Recommended Alternative Models

Depending on motor power, input voltage, and application requirements, the following Schneider Electric drives may also be considered:

Alternative selection should be based on motor power, rated current, input voltage, load type, duty cycle, overload requirements, communication requirements, and environmental conditions.

A higher-power model should not automatically be treated as a direct replacement. The motor and application ratings should always be checked before substitution.

Key Advantages

• Easy Altivar 310 product family
• Designed for simple machine applications
• 0.37 kW / 0.5 HP motor capacity
• Three-phase 380–460 VAC input
• Suitable for three-phase asynchronous motors
• Heavy-duty operating capability
• U/F motor control
• Sensorless vector control
• Modbus RTU communication
• Integrated RS-485 interface
• Front RJ45 communication connector
• Adjustable acceleration and deceleration
• Electronic motor protection
• Overload and underload detection
• Compact design
• Dimensions of 143 × 72 × 130 mm
• Weight of approximately 0.8 kg
• Self-cooled construction
• IP20 protection
• Suitable for conveyors, packaging, material handling, textile, printing, and machine applications

Technical FAQs

What is the Schneider ATV310H037N4E?

The Schneider ATV310H037N4E is an Easy Altivar 310 Variable Speed Drive designed to control compatible three-phase asynchronous motors in simple industrial machine applications.

What is the rated motor power?

The ATV310H037N4E is rated for 0.37 kW, equivalent to approximately 0.5 HP, under the specified heavy-duty rating.

What is the input voltage?

The drive uses a three-phase 380–460 VAC power supply.

What are the dimensions of the ATV310H037N4E?

The specified dimensions are 143 × 72 × 130 mm.

How much does the ATV310H037N4E weigh?

The product weight is approximately 0.8 kg.

What communication protocol does it support?

The drive supports Modbus RTU communication through a two-wire RS-485 interface with an RJ45 connector.

What type of motor can it control?

The ATV310H037N4E is designed for compatible three-phase asynchronous AC motors.

Does it have an EMC filter?

This specific model is supplied without an EMC filter. The overall system installation should therefore be designed according to the application’s EMC requirements.

What is the protection rating?

The drive uses an IP20 protection class for its standard enclosure.

Where is the ATV310H037N4E commonly used?

Typical applications include conveyors, packaging machinery, material handling equipment, textile machines, printing equipment, woodworking machinery, ceramic machinery, and other simple industrial machines.

Can it be connected to a PLC?

Yes. The ATV310H037N4E can be integrated into PLC-based automation systems through Modbus communication or suitable control terminals.

Conclusion

The Schneider ATV310H037N4E Variable Speed Drive is a compact 0.37 kW / 0.5 HP Easy Altivar 310 drive designed for three-phase asynchronous motor control in simple industrial machine applications. Its 380–460 VAC three-phase input, adjustable motor speed, U/F and sensorless vector control capabilities, and integrated Modbus RTU communication make it a practical solution for a wide range of automation equipment.

With dimensions of 143 × 72 × 130 mm and a weight of approximately 0.8 kg, the ATV310H037N4E is well suited to compact electrical cabinets and machine-control panels. Its self-cooled construction, IP20 protection, motor protection functions, and communication capabilities provide a balanced solution for OEMs, system integrators, and industrial maintenance applications.

When combined with Schneider PLCs, HMIs, sensors, motor protection devices, communication networks, and compatible three-phase motors, the ATV310H037N4E can provide a reliable and scalable motor-control solution for conveyors, packaging equipment, material handling systems, textile machinery, printing equipment, and other industrial automation applications.