The Schneider Electric ATV21HD18N4 is a variable speed drive from the ATV21 series, engineered for precise motor control in demanding industrial environments. This unit is rated for 18.5kW (25HP) and operates on a 480V power supply, making it suitable for a wide range of motor applications including HVAC systems, pumps, and fans. Its integrated EMC filter class A ensures compliance with electromagnetic compatibility standards.

Technical details

• Series: ATV21
• Power Rating: 18.5 kW (25 HP)
• Voltage Class: 480V AC
• Enclosure Rating: IP20
• EMC Filter: Class A
• Control Type: Variable Speed Drive
• Motor Compatibility: Designed for asynchronous motors
• Mounting: Panel mount configuration

Applications & compatibility

This variable speed drive is commonly deployed in building automation, water management, and general industrial machinery. Its robust design and integrated features make it an ideal choice for applications requiring efficient and reliable motor speed regulation in environments such as HVAC systems, pump stations, and conveyor lines.

Available from Industrial Automation Co as new, refurbished, or surplus stock, backed by a 2-year warranty with same-day shipping on in-stock items. Request a quote for the ATV21HD18N4 or contact our technical team for cross-reference assistance with compatible ATV21 series components.