Schneider ATV312HU55N4 Variable Speed Drive

Product Introduction

The Schneider Electric ATV312HU55N4 is a three-phase variable speed drive from the Altivar 312 series, designed to deliver precise, cost-effective speed control for asynchronous motors in industrial applications. With a rated motor power of 5.5 kW and rated apparent power within the series’ capability, it supports 380 V to 500 V AC three-phase supply systems.

This drive is optimized for medium-power industrial machines requiring stable torque, configurable acceleration/deceleration, and reliable operation. It integrates an intuitive LED interface, jog dial navigation, an EMC filter, and SoMove software support for configuration backup and transfer, making it suitable for both OEM machines and end-user installations where maintenance efficiency and operational reliability are priorities.

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Product Specifications

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Applications

• Material handling systems
Stable speed control for conveyors, lifts, and feeders.

• Packaging and packing machinery
Ensures precise and repeatable motor operation for consistent production.

• Textile machines
Smooth and reliable motor control in spinning, winding, and processing equipment.

• Pumps and fans
Flexible speed regulation for energy-efficient fluid and air handling.

• Special-purpose industrial machines
Ideal for OEM machines requiring standardized motor control solutions.

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Advantages

• Reliable medium-power motor control
Provides stable torque and consistent operation under varying industrial loads.

• Integrated EMC compliance
Reduces interference and simplifies system design.

• Intuitive local operation
Jog dial navigation with clear LED display enables fast access to parameters and diagnostics.

• Efficient commissioning and maintenance
SoMove software allows rapid backup and transfer of configurations.

• Durable industrial design
Built for continuous-duty operation in demanding environments.

FAQ

1. Can the ATV312HU55N4 handle variable-torque applications like pumps and fans without external tuning?
   Yes, it provides default V/f profiles optimized for standard variable-torque loads, with optional fine-tuning.

2. Is regenerative braking supported on this model?
   Yes, external braking resistors can be connected for applications requiring rapid deceleration.

3. How does the drive manage thermal overload for higher-power motors?
   The drive monitors motor current and operating conditions to provide configurable thermal protection.

4. Can this drive be programmed for multiple preset speeds?
   Yes, multiple speed setpoints can be configured through the interface or SoMove software.

5. Does the drive provide real-time monitoring outputs for PLC integration?
   Yes, it offers configurable analog and digital outputs for motor speed, current, and fault status.

6. Is the ATV312HU55N4 suitable for high-inertia load applications?
   Yes, acceleration and deceleration ramps can be configured to match high-inertia systems.

7. Can the drive operate with mains voltage fluctuations?
   Yes, it can tolerate input variations within the 380–500 V AC range without performance degradation.

8. Are software updates supported via SoMove?
   Yes, firmware and configuration updates can be applied using SoMove.

9. How are fault logs and historical events accessed?
   The LED interface allows review of recent faults, and SoMove enables detailed logging and export.

10. Can the drive be integrated into networked Schneider automation systems?
    Yes, it is designed for seamless integration with Schneider Electric control and monitoring networks.

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