Schneider ATV312HU40N4 Variable Speed Drive

Product Introduction

The Schneider Electric ATV312HU40N4 is a three-phase variable speed drive from the Altivar 312 series, designed to provide reliable and cost-effective adjustable speed control for asynchronous motors in industrial environments. This model is intended for applications requiring stable performance, straightforward commissioning, and dependable long-term operation.

As part of the Altivar 312 range, the ATV312HU40N4 supports motor power ratings within the series’ broad capability spectrum, making it suitable for a wide variety of standard industrial machines. It integrates essential drive functions, an intuitive local control interface, and software-based configuration tools, allowing users to reduce setup time and simplify maintenance activities.

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Product Specifications

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Applications

• Material handling systems
Provides dependable speed control for conveyors, feeders, and handling equipment.

• Packaging and packing machinery
Ensures consistent motor operation for repeatable and accurate packaging processes.

• Textile machinery
Supports smooth motor control in spinning, winding, and fabric processing equipment.

• Pumps and fans
Enables flexible speed adjustment to match process demand and improve energy efficiency.

• Special-purpose industrial machines
Well suited for OEM-built equipment requiring standardized motor control solutions.

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Advantages

• Cost-effective variable speed control
Delivers essential VFD functionality without unnecessary complexity.

• Stable and reliable operation
Ensures consistent motor performance across varying industrial load conditions.

• Integrated EMC compliance
Built-in EMC filter simplifies system design and reduces external components.

• User-friendly local control
Jog dial navigation and clear LED display enable fast parameter access and diagnostics.

• Simplified maintenance and replacement
SoMove software allows easy configuration backup and transfer to spare drives.

FAQ

1. Can the ATV312HU40N4 operate reliably with long motor cables?
   Yes, it can be used with extended motor cable lengths when proper grounding and EMC practices are applied.

2. Does the drive support external braking resistors?
   Yes, external braking resistors can be connected for applications requiring faster deceleration.

3. How does the drive behave under sudden load changes?
   The drive maintains stable operation using internal control algorithms that manage torque and speed response.

4. Is it possible to lock parameters to prevent unauthorized changes?
   Yes, parameter access levels can be configured to restrict modification by operators.

5. Can the ATV312HU40N4 be integrated with external control signals?
   It supports digital and analog I/O for integration with PLCs, sensors, and control panels.

6. Does the drive support automatic restart after power recovery?
   Yes, restart behavior can be configured according to application safety requirements.

7. How does the drive handle motor thermal protection?
   It provides configurable motor thermal protection based on current and operating conditions.

8. Is it suitable for applications with frequent start-stop cycles?
   Yes, the drive is designed to handle frequent switching typical in industrial machinery.

9. Can parameters be tuned for high-inertia loads?
   Yes, acceleration and deceleration ramps can be adjusted to suit high-inertia applications.

10. Does the drive support fault history diagnostics?
    Yes, fault records can be reviewed to assist with troubleshooting and maintenance planning.

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