The Schneider Electric ATV320U11N4C is a compact variable frequency drive (VFD) from the Altivar Machine ATV320 series, rated at 1.1 kW for three-phase 380 to 500 V supply networks. Designed for complex machine applications, it integrates sensorless flux vector control, a Class C2 EMC filter, and functional safety functions including STO and SS1 as standard.

Technical specifications:

• Commercial reference: ATV320U11N4C
• Manufacturer: Schneider Electric
• EAN:
• Series / range: Altivar Machine ATV320
• Motor power: 1.1 kW (demanding applications)
• Supply voltage: 380...500 V (-15%/+10%)
• Rated output current: 3.0 A
• Maximum output voltage: 500 V
• Network frequency: 50...60 Hz
• Line short-circuit current (Isc): 5 kA
• Switching frequency: 2...16 kHz adjustable, nominal 4 kHz
• Maximum output frequency: 599 Hz
• Digital inputs: 7 (including STO, 24 V DC)
• Digital outputs: 3 (open collector, 30 V DC, 100 mA)
• Analog inputs: 3 (voltage and current)
• Analog outputs: 1 (software-configurable voltage or current)
• IP protection: IP20
• Drive format: Compact, wall mounting
• Dimensions (WxHxD): 105 x 142 x 158 mm
• Weight: 1.3 kg
• Communication: Modbus serial, CANopen; optional Profinet, EtherCAT, Profibus DP V1, Ethernet/IP, DeviceNet
• EMC filter: Class C2 integrated
• Certifications: CE, ATEX, UL, CSA, EAC, RCM

Features and benefits:

• Sensorless flux vector and V/f control profiles for both asynchronous and synchronous motors
• Integrated safety functions: STO (Safe Torque Off), SS1 (Safe Stop 1), and SLS (Safely Limited Speed)
• Transient overtorque of 170...200% of rated torque for high-demand load cycles
• Integrated braking resistor and DC injection braking for dynamic stopping
• Expandable communication via optional plug-in modules covering major industrial protocols

Applications:

• Variable speed control in complex industrial machine automation
• Conveyors, pumps, and fans in manufacturing environments
• OEM machine builders requiring a compact panel-mounted drive solution
• Safety-critical installations requiring STO or SS1 without external safety relays

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

Also known as: Schneider ATV320U11N4C, Schneider Electric ATV320U11N4C, Altivar 320 1.1 kW VFD, ATV320 frequency inverter 380-500 V.