Product Overview
The Schneider ATV71HC11N4D is a robust variable speed drive from the Altivar 71 series, designed for demanding three-phase industrial applications. This drive delivers 150 HP with a rated current of 163 A, operating within a voltage range of 380 to 480 V AC. It's built to handle complex, high-power machinery efficiently, ensuring precise speed control and energy savings.
Technical Specifications Breakdown
Key parameters of the Schneider ATV71HC11N4D include:
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Rated Power: 150 Hp (110 kW) at 380-480 V three-phase
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Rated Current: 163 A (line current at 480 V)
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Output Frequency: 0.1…500 Hz
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Braking: DC injection for standstill
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Protection: IP54 on lower part (dust and water ingress)
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Communication: CANopen and Modbus protocols
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Mounting: Door mount
These specs ensure reliable operation in harsh environments. The drive supports both asynchronous and synchronous motors with advanced control profiles including flux vector control and sensorless vector control.
Applications & Real-World Use Cases
The Schneider ATV71HC11N4D is ideal for complex, high-power machines such as conveyors, pumps, fans, and compressors in industries like mining, water treatment, and manufacturing. Its robust construction and integrated EMC filter reduce electrical noise, minimizing downtime. The wide output frequency range (0.1…500 Hz) allows precise speed regulation, improving process quality and reducing energy consumption.
Installation & Setup Guidance
Mount the Schneider ATV71HC11N4D on a vertical surface (door mount) with +/-10 degree tolerance. Ensure adequate clearance for heat dissipation – the drive includes a heat sink. Use shielded cable up to 100 m or unshielded up to 200 m for motor connections. Connect power supply (380–480 V AC, 3-phase) with appropriate torque settings: 212.4 lb·in for main power terminals. Wire analog I/O (AI1, AI2) and discrete I/Os following the terminal designations provided in the datasheet.
Compatibility & Integration
The Schneider ATV71HC11N4D supports CANopen and Modbus communication protocols via RJ45 and SUB-D9 connectors. It integrates seamlessly with PLC systems and SCADA networks. Options include communication cards for Profibus DP, DeviceNet, EtherNet/IP, and more. The drive also features an adjustable PI regulator for closed-loop control and is compatible with encoder feedback for enhanced speed accuracy (+/- 0.01%).
Selection Guide & Purchasing Advice
Before purchasing the Schneider ATV71HC11N4D, verify your power supply matches 380-480 V AC three-phase and confirm load requirements (150 HP). Consider optional braking resistors if high braking torque (up to 150%) is needed. For reliable sourcing, contact PLC Source PRO (formerly ubest101) – we stock genuine Schneider drives and offer expert support.