Schneider ATV71HC25N4 Variable Speed Drive

Product Introduction

The Schneider Electric ATV71HC25N4 Variable Speed Drive is a high-capacity industrial frequency inverter from the Altivar 71 range, designed for complex, high-power machine applications requiring robust, precise motor control. It delivers stable speed regulation, high torque capability, and reliable performance across demanding industrial environments.

This reinforced drive is engineered to support very high motor power levels and extensive cabling distances, making it ideal for applications where flexibility, control accuracy, and continuous heavy-duty operation are critical. With its proven Altivar 71 platform and industrial-grade design, the ATV71HC25N4 ensures efficiency, reliability, and operational continuity for large-scale drive systems.

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Product Specifications

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Applications

• Heavy industrial machinery, such as large conveyors, crushers, extruders, and mills

• Mining and material processing systems, requiring high power and precise speed control

• Large pumping and compressor installations, where motor regulation is essential

• Energy-intensive production lines with continuous operation duty cycles

• Hoisting and material handling systems with high dynamic load performance

• Industrial drive system retrofits, replacing legacy high-power inverters

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Advantages

• High motor power capability, supporting up to 250 kW / 400 hp

• Robust industrial design, suitable for harsh and demanding environments

• High-performance speed control, improving system responsiveness and efficiency

• Long motor cable support, enabling installation flexibility

• Proven Altivar 71 platform, widely adopted in heavy-duty drive applications

• Continuous operation reliability, minimizing maintenance and downtime

FAQ

1. What type of applications is the ATV71HC25N4 drive designed for?
   It is designed for high-power industrial machines requiring precise speed and torque control.

2. What motor power range does this drive support?
   It supports motors from 220 kW up to 250 kW (350–400 hp) in three-phase systems.

3. What voltage and phase configuration does this model use?
   It operates on a three-phase 380…480 V supply with a tolerance of −15…+10%.

4. Can this drive support long motor cable lengths?
   Yes, it supports up to 100 m shielded and 200 m unshielded motor cables.

5. Is this drive suitable for continuous heavy-duty use?
   Yes, it is engineered for continuous operation in industrial environments.

6. What makes the Altivar 71 series suitable for high-power applications?
   Altivar 71 drives combine robust construction, advanced motor control, and industrial-grade reliability.

7. Can this drive be integrated into existing industrial control systems?
   Yes, it integrates with standard industrial automation and drive control architectures.

8. Is this model suitable for retrofit or system upgrades?
   Yes, it is commonly used to modernize existing high-power drive installations.

9. Does this drive handle dynamic mechanical loads effectively?
   Yes, its control algorithms and hardware design support variable load demands.

10. What contributes to its long-term operational stability?
    Robust thermal design, industrial-grade components, and proven control performance.

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