Description

The Schneider Electric ATV71HD18N4 provides exceptional regulation for three-phase asynchronous motors in complex machinery. This 18.5 kW (25 hp) variable speed drive belongs to the high-performance Altivar 71 series. It excels in applications requiring constant torque and precise speed accuracy. Furthermore, the unit operates reliably on power supplies ranging from 380V to 480V AC. It addresses the rigorous demands of hoisting, packaging, and material handling sectors. This drive optimizes motor efficiency while maintaining strict control over mechanical stress. Consequently, it serves as a cornerstone for robust industrial automation systems.

Technical Specifications

• Brand: Schneider Electric
• Model Number: ATV71HD18N4
• Product Series: Altivar 71
• Rated Power: 18.5 kW / 25 hp
• Input Voltage: 380V to 480V AC (Three-Phase)
• Continuous Output Current: 41A at 4 kHz / 480V
• Maximum Transient Current: 61.5A for 60 seconds
• EMC Filter: Integrated Class A filter
• Nominal Switching Frequency: 4 kHz (Adjustable up to 16 kHz)
• Control Profiles: Flux Vector Control (FVC) and ENA (Energy Adaptation)
• IP Rating: IP20 protection
• Origin: France

Intuitive Programming and Dual-Interface Monitoring

This Altivar 71 module features a sophisticated dual-display system for simplified commissioning. The primary graphic terminal shows full parameter names for easy navigation. Simultaneously, the embedded 4-digit display provides quick access to technical codes and status bytes. This layout allows technicians to monitor vital performance data during live operations. Additionally, the drive supports application-specific macros for rapid system setup. The firmware includes advanced braking logic and customized acceleration ramps for delicate loads. These tools ensure the drive adapts perfectly to unique operational requirements.

Electrical Integrity and System Longevity

The ATV71HD18N4 incorporates an internal EMC filter to suppress electromagnetic interference effectively. This feature protects sensitive electronic components nearby from electrical noise pollution. Moreover, the drive offers comprehensive protection against thermal overloads and short circuits. It maintains motor stability even during significant fluctuations in the main power grid. The modular design also supports various communication cards for Profibus, Ethernet, or Modbus integration. Because it uses high-quality French engineering, the hardware withstands long-term use in harsh environments. This reliability makes it a trusted choice for critical infrastructure maintenance.