Schneider Electric ATV21HU15N4 Variable Frequency Drive

Description:

The Telemecanique ATV21HU15N4 Variable Speed Drive is used in HVAC motor control systems to regulate the speed and torque of three-phase asynchronous motors. Commonly installed in pumps, fans, air handling units, cooling towers, ventilation systems, and commercial building automation applications requiring energy-efficient motor control. Maintenance teams, OEMs, and system integrators use this variable speed drive for equipment replacement, HVAC system upgrades, energy efficiency improvements, and new motor control installations.

Applications:

The Telemecanique ATV21HU15N4 variable speed drive is specifically designed for HVAC applications, providing precise speed control for pumps and fans while reducing energy consumption and mechanical wear. It is widely used in commercial buildings, water treatment facilities, ventilation systems, cooling towers, air handling units, and industrial HVAC equipment where reliable motor control and energy savings are essential.

Technical Specifications:

• Manufacturer: Telemecanique
• Model / Part number: ATV21HU15N4
• Product type: Variable frequency drive (VFD)
• Product range: Altivar 21
• Motor rating: 1.5 kW (2 HP)
• Input voltage: 380–480 V AC, three-phase
• Output voltage: 380–480 V AC, three-phase
• Output current: 3.2 A at 380 V, 2.5 A at 480 V
• Supply frequency: 50/60 Hz
• Output frequency: 0.5–200 Hz
• Communication: Modbus
• EMC filter: Integrated Class A EMC filter
• Protection rating: IP20
• Mounting: Panel mount with heat sink
• Application environment: HVAC and industrial motor control systems

Common Replacements:

• Schneider Electric ATV212HU15N4 variable frequency drive
• Schneider Electric ATV320U15N4C variable frequency drive
• Siemens SINAMICS G120C 2 HP variable frequency drive