Designed for variable torque applications, the Schneider Electric ATV21HD18M3X is a variable speed drive from the Altivar 21 series. This unit is engineered to provide precise motor speed control and energy efficiency in demanding industrial environments. It operates on a 208/240V AC, 3-phase input power supply, delivering robust performance for a wide range of motor loads.

Technical Details

• Series: Altivar 21 (ATV21)
• Input Voltage: 208/240V AC, 3-phase
• Motor Power Rating: 18.5 kW (25 HP)
• Output Voltage: Matches input voltage (208-240V AC, 3-phase)
• Enclosure Type: Standard IP20 (UL Type 1) for basic protection
• Control Method: Sensorless Vector Control and V/f control
• Mounting: Designed for side-by-side mounting to save panel space
• Operating Temperature Range: -10°C to 50°C (14°F to 122°F)

Applications & Compatibility

The ATV21HD18M3X is well-suited for applications such as HVAC systems, pumps, fans, and other variable torque loads found in commercial buildings and light industrial settings. Its robust design ensures reliable operation in environments requiring consistent speed regulation and energy savings.

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 Schneider ATV21HD18M3X or contact our technical team for cross-reference assistance with compatible Altivar 21 components.