ATV71HC25N4 Schneider Electric Altivar 71 High-Performance VFD Variable Speed Drive
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Dimensions: 119 x 37.7 x 59.5 cm
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Country of origin: France
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Payment: T/T, Western Union
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Shipping port: Xiamen
Product Overview
The ATV71HC25N4 is a high-capacity, heavy-duty variable frequency drive from the Schneider Electric Altivar 71 series, designed for complex, high-torque industrial machinery. This 250 kW (400 HP) class powerhouse is engineered to manage three-phase asynchronous and synchronous motors with extreme precision. Unlike standard HVAC drives, the Altivar 71 is optimized for constant torque applications, offering sophisticated control algorithms that ensure maximum torque availability even at zero speed. It serves as a critical control node in automated systems where synchronization, high dynamic response, and robust electrical protection are required to maintain continuous production cycles.
Hardware Architecture and Control Specifications
The technical framework of the ATV71HC25N4 is built for massive power delivery combined with surgical control accuracy:
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Motor Control Versatility: Supports Flux Vector Control (FVC) with sensor or sensorless profiles, delivering a speed range of 1:1000 in closed-loop configurations.
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Transient Load Handling: Features impressive overtorque capacity, providing 170% nominal torque for 60 seconds and a 220% peak surge for 2 seconds to overcome high-inertia starts.
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Voltage Adaptability: Designed for 380V to 480V AC 3-phase networks, with a tolerance range of 323V to 528V to handle grid fluctuations.
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Thermal and Electrical Defense: Integrated IP21 protection and a high-performance EMC filter ensure signal integrity and hardware longevity in contaminated industrial environments.
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Feedback Precision: Achieves speed regulation accuracy of ±0.01% of nominal speed when utilizing encoder feedback in closed-loop mode.
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Switching Dynamics: Features an adjustable switching frequency from 2.5 to 8 kHz, allowing engineers to balance acoustic motor noise with thermal efficiency.
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System Integration: Native Modbus and CANopen communication ports facilitate seamless connection to PLC networks and building management systems.
Operational Deployment and Industrial Utility
The Altivar 71 series is the preferred choice for heavy-load applications where motion stability and mechanical safety are non-negotiable:
| Application Sector | Specific Implementation |
| Material Handling | Precise control of large-scale cranes, hoists, and gantry systems requiring smooth lifting and braking torque. |
| Heavy Process Industry | Managing high-power mixers, crushers, and grinders in mining and chemical processing. |
| Advanced HVAC & Fluid | Operating large-scale cooling towers and high-pressure pumping stations with unbalanced load handling. |
| Continuous Production | Powering large-scale conveyors and extruders where speed synchronization across multiple axes is critical. |
| Wood & Paper Mills | Controlling winding and tensioning machinery that requires high dynamic response and speed accuracy. |
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Shipping & Returns
Shipping
- Emergency Dispatch: Same-day shipping for in-stock orders placed before 2:00 PM (GMT+8).
- Premium Carriers: Reliable global delivery via DHL, FedEx, and UPS to 150+ countries.
- Flexible Options: We support shipping via your own carrier account (DHL/FedEx/UPS).
- Industrial Packaging: Professional ESD protection and reinforced shock-absorbent packaging.
Returns
- 30-Day Window: Request a return within 30 days of receipt for eligible items.
- Condition: Items must be in their original, factory-sealed condition with all tags.
- Hassle-Free Process: Contact sales@maxwellplc.com for a return label and instructions.
- Fast Refunds: Approved refunds are processed to your original payment method within 10 days.
Shipping & Returns
Shipping
- Emergency Dispatch: Same-day shipping for in-stock orders placed before 2:00 PM (GMT+8).
- Premium Carriers: Reliable global delivery via DHL, FedEx, and UPS to 150+ countries.
- Flexible Options: We support shipping via your own carrier account (DHL/FedEx/UPS).
- Industrial Packaging: Professional ESD protection and reinforced shock-absorbent packaging.
Returns
- 30-Day Window: Request a return within 30 days of receipt for eligible items.
- Condition: Items must be in their original, factory-sealed condition with all tags.
- Hassle-Free Process: Contact sales@maxwellplc.com for a return label and instructions.
- Fast Refunds: Approved refunds are processed to your original payment method within 10 days.
Warranty
Warranty
- 12-Month Guarantee: A comprehensive one-year warranty covers all functional defects.
- Authenticity: Every part is guaranteed 100% original, brand-new, and genuine.
- Expert Support: Dedicated technical assistance to verify and resolve any hardware issues.
- Peace of Mind: Long-term reliability support for all your mission-critical automation parts.
Warranty
Warranty
- 12-Month Guarantee: A comprehensive one-year warranty covers all functional defects.
- Authenticity: Every part is guaranteed 100% original, brand-new, and genuine.
- Expert Support: Dedicated technical assistance to verify and resolve any hardware issues.
- Peace of Mind: Long-term reliability support for all your mission-critical automation parts.
Secure Payment
Secure Payment
- Flexible T/T: 100% T/T for stock items; 30% deposit / 70% balance for lead-time orders.
- Local Friendly: RMB transfers are accepted if you have a local agent in China.
- Best Price: Our Best Price Guarantee ensures you get the most competitive market rates.
- Data Safety: All transactions are processed through encrypted and secure banking channels.
Secure Payment
Secure Payment
- Flexible T/T: 100% T/T for stock items; 30% deposit / 70% balance for lead-time orders.
- Local Friendly: RMB transfers are accepted if you have a local agent in China.
- Best Price: Our Best Price Guarantee ensures you get the most competitive market rates.
- Data Safety: All transactions are processed through encrypted and secure banking channels.
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