The Schneider Electric ATV320U55N4C is a compact wall-mounted variable frequency drive from the Altivar Machine ATV320 series, rated at 5.5 kW for demanding applications on a 380 to 500 V three-phase supply. It features an integrated EMC filter, IP20 protection, and multiple motor control profiles for both asynchronous and synchronous motors.

Technical specifications:

• Commercial reference: ATV320U55N4C
• Manufacturer: Schneider Electric
• EAN:
• Series / range: Altivar Machine ATV320
• Product type: Variable frequency drive (VFD)
• Motor power: 5.5 kW (demanding applications)
• Rated supply voltage: 380...500 V (-15%...+10%)
• Rated output current: 14.3 A
• Maximum output voltage: 500 V
• Maximum output frequency: 599 Hz
• Rated switching frequency: 4 kHz (adjustable 2...16 kHz)
• Line current: 20.7 A at 380 V / 14.5 A at 500 V
• Apparent power: 12.6 kVA at 500 V
• Network frequency: 50...60 Hz
• Short-circuit current (Isc): 22 kA
• EMC filter: Integrated
• IP protection rating: IP20
• Digital inputs: 7 (including STO and pulse input on DI5 up to 30 kHz)
• Digital outputs: 3 (open collector, 30 V DC, 100 mA)
• Analog inputs: 3 (voltage and current, 10-bit resolution)
• Analog output: 1 (configurable 0...20 mA or 0...10 V DC)
• Communication: Modbus serial, CANopen (slave)
• Mounting: Wall mount, compact format
• Dimensions (WxHxD): 150 x 232 x 178 mm
• Weight: 3.5 kg
• Certifications: CE, ATEX, UL, CSA, EAC, RCM, NOM, GOST, KC
• Standard: IEC 61800-5-1

Features and benefits:

• Integrated EMC filter and built-in braking resistor simplify panel wiring and reduce component count
• Multiple asynchronous motor control modes: sensorless flux vector (standard and energy saving), V/f 2-point and 5-point, and square V/f energy saving
• Built-in functional safety: STO (Safe Torque Off), SS1 (Safe Stop 1), and SLS (Safely Limited Speed)
• Optional fieldbus communication modules available: EtherCAT, Profibus DP V1, Profinet, Ethernet/IP, DeviceNet, Ethernet Powerlink
• 4-quadrant operation with transient overtorque of 170...200% of rated torque for demanding load cycles

Applications:

• Complex industrial machine automation requiring precise speed and torque control
• Conveyor systems, fans, pumps, and compressors in manufacturing environments
• Compact wall-mounted control panel installations with space constraints
• Safety-critical machinery requiring certified STO or SLS functional safety

Compliant with IEC 61800-5-1 and EMC immunity standards IEC 61000-4-2 through IEC 61000-4-11. Part of the Schneider Electric Altivar Machine ATV320 range.

Also known as: Schneider ATV320U55N4C, Schneider Electric ATV320U55N4C, Altivar ATV320 5.5 kW VFD, ATV320 variable speed drive.