Schneider Altivar 21 ATV21HU40N4 Variable Frequency Drive

Description

The ATV21HU40N4 is a Variable Speed Drive from the Altivar 21 range, manufactured by Schneider Electric. Designed for industrial motor control, this drive is rated for a power output of 4 kW (5 HP) and operates with a 480V supply. It features an integrated EMC Filter Class A to mitigate electromagnetic interference, ensuring reliable operation in environments where signal integrity is critical. With an IP20 protection rating, it is suitable for installation within protective control enclosures.

Features

• Optimized for 4 kW (5 HP) motor control applications
• Integrated EMC Filter Class A for improved electromagnetic compatibility
• Compact IP20-rated enclosure for standard panel mounting
• Designed for efficient motor speed regulation and energy management

Applications

• HVAC systems (pumps, fans, and compressors)
• Centrifugal pump control
• Air handling units
• General purpose industrial motor applications

Technical Specifications

Installation Guidelines

• Mounting: Install the drive in a vertical position within an enclosure that provides adequate ventilation to prevent overheating.
• Wiring: Ensure all power and motor connections are tightened to the specified torque. Use shielded cables for motor connections to complement the internal EMC filter effectiveness.
• Grounding: A robust, low-impedance ground connection is required for the drive chassis to maintain safety and electromagnetic compliance.
• Environment: Ensure the ambient air is free from corrosive gases, excessive dust, and moisture. Keep the operating temperature within the limits defined in the official product manual.