Schneider ATV320U55N4B Altivar Machine ATV320 VFD 5.5 kW 380-500V 3 phase Book

The Schneider Electric ATV320U55N4B is an Altivar Machine ATV320 variable frequency drive rated at 5.5 kW for demanding applications, supplied from 380...500 V three-phase mains, in book format for space-efficient panel mounting. With 14.3 A rated output current, an integrated Class C2 EMC filter, and built-in braking resistor, it delivers compact and complete motor speed control for complex machines.

Technical specifications:

• Commercial reference: ATV320U55N4B
• Manufacturer: Schneider Electric
• EAN:
• Series / range: Altivar Machine ATV320
• Product type: Variable frequency drive (VFD)
• Motor power: 5.5 kW (demanding applications)
• Supply voltage: 380...500 V (-15...+10%)
• Network: 3-phase, 50...60 Hz
• Rated output current: 14.3 A
• Line current: 20.7 A at 380 V / 14.5 A at 500 V
• Max output voltage: 500 V
• Apparent power: 12.6 kVA at 500 V
• Short-circuit line current (Isc): 22 kA
• Max output frequency: 599 Hz
• Switching frequency: 2...16 kHz adjustable, rated 4 kHz
• Transient overload: 170...200% of rated torque
• Digital inputs: 7 (STO 24 V DC; DI1-DI6 24 V DC; DI5 configurable as pulse input 0...30 kHz)
• Digital outputs: 3 (open collector, 30 V DC, 100 mA)
• Analog inputs: 3 (AI1: 0...10 V DC; AI2: +/-10 V DC differential; AI3: 0...20 mA)
• Analog outputs: 1 (AQ1: 0...20 mA or 0...10 V DC, software-configurable)
• Relay outputs: R1 (1 NO / 1 NC, 3 A at 250 V AC resistive); R2 (5 A at 250 V AC resistive)
• EMC filter: Class C2, integrated
• IP protection rating: IP20
• Communication: Modbus serial, CANopen (built-in)
• Optional communication modules: EtherCAT, Profibus DP V1, Profinet, Ethernet/IP, Ethernet Powerlink, DeviceNet
• Mounting: Wall mounting, book format, vertical +/- 10 degrees
• Power dissipation: 195.0 W at 380 V, 4 kHz switching frequency
• Dimensions (WxHxD): 150 x 308 x 232 mm
• Weight: 4.4 kg
• Environmental class: Class 3C3 per IEC 60721-3-3; Class 3S2 per IEC 60721-3
• Certifications: CE, ATEX, UL, CSA, EAC, RCM, NOM, GOST, KC
• Standard: IEC 61800-5-1

Features and benefits:

• Integrated Class C2 EMC filter and built-in braking resistor reduce external component requirements
• Multiple motor control profiles for asynchronous motors: sensorless flux vector, U/f (2-point and 5-point), and energy-saving quadratic U/f modes
• Sensorless vector control for synchronous motors included as standard
• Built-in STO, SS1, and SLS safety functions for machine safety without additional safety relays
• 4-quadrant operation for applications requiring controlled regenerative braking
• Expandable via optional fieldbus communication modules including Profinet, EtherCAT, and Ethernet/IP

Applications:

• Complex machine automation requiring precise speed and torque control
• Conveyor, material handling, and packaging machinery
• Pumps, fans, and compressors in industrial installations
• Hoisting and lifting equipment where integrated safe braking is required
• Textile, printing, and process machines with demanding acceleration cycles

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

Also known as: Schneider ATV320U55N4B, Schneider Electric ATV320U55N4B, Altivar 320 5.5 kW variable speed drive, ATV320 frequency inverter.