Schneider Altivar 21 ATV21HD22N4 Variable Frequency Drive

Description

The ATV21HD22N4 is a Variable Speed Drive from the Altivar 21 series, engineered by Schneider Electric to provide precise motor control for industrial applications. This drive is rated for a power output of 22 kW (30 HP) and operates at a supply voltage of 480 V. It features an integrated Class A EMC filter to minimize electromagnetic interference, ensuring compatibility with standard industrial network environments.

Designed for efficiency in HVAC and pumping applications, the ATV21HD22N4 allows for optimized motor speed regulation, leading to improved process performance and energy savings. The drive is enclosed in an IP20-rated housing, providing protection against solid objects while remaining compact for integration into electrical panels. As part of the Altivar range, this unit offers robust performance for users looking to maintain or upgrade existing drive control systems.

Features

• Optimized for HVAC, pump, and fan control applications
• Integrated Class A EMC filter for reduced electrical noise
• High-performance motor speed and torque regulation
• Compact design for simplified cabinet installation
• Rated for 22 kW (30 HP) at 480 V operation

Applications

• Centrifugal pump systems
• HVAC ventilation and climate control fans
• Industrial blower and compressor systems
• Fluid processing and circulation equipment

Technical Specifications

Installation Guidelines

• Mounting: Ensure the drive is mounted vertically in a clean, dry area with sufficient ventilation to maintain internal operating temperatures.
• Clearance: Maintain the manufacturer-recommended clearances above and below the drive to ensure adequate airflow for heat dissipation.
• Grounding: Proper grounding is essential to ensure the effectiveness of the integrated EMC filter and to protect against electrical surges.
• Wiring: Keep motor cables as short as possible and separate from sensitive signal cabling to reduce potential electromagnetic interference.
• Environment: Do not operate the drive in environments with corrosive gases, excessive humidity, or temperatures exceeding the specified operational limits.