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Schneider ATV71HC25N4 frequency converter
Schneider ATV71HC25N4
The Schneider ATV71HC25N4 is a high-performance Variable Frequency Drive (VFD) developed by Schneider Electric, belonging to the renowned ATV71 series. Boasting a power rating of 250kW (approximately 400HP), this drive is purpose-built for high-power industrial applications, primarily delivering precise speed control and efficient energy management for large-scale electric motors.
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1. Core Overview
Product Positioning: Classified as a medium-to-high power variable frequency drive, it is engineered for variable frequency speed regulation of three-phase electric motors, catering to heavy-duty industrial operating demands.
Power Rating: 250kW (400HP)
Voltage Range: Compliant with industrial standard voltages, supporting 380V to 480V three-phase power supply.
Applicability: Ideal for heavy-duty industrial scenarios requiring precise speed control, motor reversal, and energy-efficient operation, with strong adaptability to diverse high-power working conditions.
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2. Key Technical Specifications
- Rated Power: 250kW (400HP)
- Rated Voltage: 380V – 480V (Three-Phase Alternating Current)
- Operating Frequency: 50/60 Hz
- Rated Current: Approximately 210A – 300A, varying with different input voltages
- Output Frequency Range: 0.001Hz – 200Hz (with built-in limit protection function)
- Structure & Design: Compact structural layout, equipped with a dedicated heat sink to dissipate heat generated during high-power operation
- Human-Machine Interface: Compatible with Graphic Terminal, facilitating on-site parameter configuration and rapid fault diagnosis
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3. Product Features
3.1 High-Power Output Performance
As a 250kW-class variable frequency drive, it delivers exceptional driving capability for large industrial motors, enabling stable high-torque output even under heavy loads, meeting the power demands of heavy industrial equipment.
3.2 Superior Reliability
Adopting Schneider Electric’s proven robust hardware design, this VFD integrates comprehensive protection functions, including overload protection, overvoltage protection, undervoltage protection, phase sequence error protection, and more. It effectively safeguards the drive and connected motors, reducing equipment failure risks and ensuring continuous stable operation.
3.3 Outstanding Energy-Saving Performance
Leveraging advanced Variable Speed Drive (VSD) technology, it dynamically adjusts motor power output based on real-time load requirements. This stepless speed regulation mechanism eliminates energy waste caused by fixed-speed operation, significantly cutting industrial power consumption and optimizing operational costs.
3.4 Hassle-Free Maintenance
Equipped with a user-friendly Graphic Terminal, it supports on-site parameter modification, real-time data monitoring, and quick fault troubleshooting. The intuitive operation interface simplifies daily maintenance and commissioning, lowering the threshold for on-site technical operations.
3.5 Enhanced Heat Dissipation Design
Given the substantial heat generation of 250kW-class equipment under high-load conditions, this drive features an enhanced forced air cooling or reinforced heat dissipation system. It efficiently dissipates operating heat, maintaining stable internal temperature and ensuring long-term reliable performance in continuous industrial operation.
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4. Typical Application Areas
- Large Pumps & Fans: Large-scale fans in urban water supply systems, mine drainage systems, and HVAC (Heating, Ventilation and Air Conditioning) systems
- Metallurgy & Mining: Drive systems for mine hoists, crushers, presses, and other heavy mining and metallurgical equipment
- Petrochemical Industry: Driving equipment for oil drilling rigs, refinery compressors, and related petrochemical processing machinery
- Shipbuilding & Marine Engineering: Speed control systems for motors in large ship propulsion systems
- Other High-Power Scenarios: Large conveyor belts, concrete pump trucks, and other industrial equipment requiring high-power drive control
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By choosing our company, you will gain access to the following exclusive advantages:
One-Stop Procurement
We offer an extensive range of industrial control products, fully catering to all your procurement needs and eliminating the hassle of sourcing from multiple suppliers.
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This account manager has undergone rigorous and comprehensive training, with in-depth knowledge of industrial control product standards, and fully understands your core demands for top-tier quality, cost-effective pricing and prompt delivery timelines.
Your dedicated account manager maintains an open and honest communication attitude, and is always ready to assist you with any issues – no matter how small or trivial the problem may be, we will respond and resolve it promptly.
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