Altivar Machine ATV320
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VARIABLE SPEED DRIVE
variable speed drive, Altivar Machine ATV320, 4kW, 380 to 500V, 3 phases, book
SKU ATV320U40N4BSchneider Electric ATV320U40N4B is a variable speed drive in the Altivar Machine ATV320 range. Key specifications include motor power: 4.0 kW for heavy duty; supply voltage: 380...500 V - 15...10 %; ip protection: IP20.
4.0 kW for heavy dutyMotor power
380...500 V - 15...10 %Supply voltage
IP20IP protection
PRODUCT DATA
Technical specifications
Source: Schneider Electric product catalog.
Verified September 17, 2026.
| Product reference | ATV320U40N4B |
|---|---|
| Range of product | Altivar Machine ATV320 |
| Product or component type | Variable speed drive |
| Product specific application | Complex machines |
| Variant | Standard version |
| Format of the drive | Book |
| Mounting mode | Cabinet mount |
| Communication port protocol | Modbus serial CANopen |
| Option card | Communication module, CANopen Communication module, EtherCAT Communication module, Profibus DP V1 Communication module, PROFINET Communication module, Ethernet Powerlink Communication module, EtherNet/IP Communication module, DeviceNet |
| [Us] rated supply voltage | 380...500 V - 15...10 % |
| nominal output current | 9.5 A |
| Motor power kW | 4.0 kW for heavy duty |
| Motor power hp | 5 hp |
| EMC filter | Class C2 EMC filter integrated |
| IP degree of protection | IP20 |
| Discrete input number | 7 |
| Discrete input type | STO safe torque off, 24 V DC, impedance: 1.5 kOhm DI1...DI6 logic inputs, 24 V DC (30 V) DI5 programmable as pulse input: 0…30 kHz, 24 V DC (30 V) |
| Discrete input logic | Positive logic (source) Negative logic (sink) |
| Discrete output number | 3 |
| Discrete output type | Open collector DQ+ 0…1 kHz 30 V DC 100 mA Open collector DQ- 0…1 kHz 30 V DC 100 mA |
| Analogue input number | 3 |
| Analogue input type | AI1 voltage: 0...10 V DC, impedance: 30 kOhm, resolution 10 bits AI2 bipolar differential voltage: +/- 10 V DC, impedance: 30 kOhm, resolution 10 bits AI3 current: 0...20 mA (or 4-20 mA, x-20 mA, 20-x mA or other patterns by configuration), impedance: 250 Ohm, resolution 10 bits |
| Analogue output number | 1 |
| Analogue output type | Software-configurable current AQ1: 0...20 mA impedance 800 Ohm, resolution 10 bits Software-configurable voltage AQ1: 0...10 V DC impedance 470 Ohm, resolution 10 bits |
| Relay output type | Configurable relay logic R1A 1 NO electrical durability 100000 cycles Configurable relay logic R1B 1 NC electrical durability 100000 cycles Configurable relay logic R1C Configurable relay logic R2A 1 NO electrical durability 100000 cycles Configurable relay logic R2C |
| Maximum switching current | Relay output R1A, R1B, R1C on resistive load, cos phi = 1: 3 A at 250 V AC Relay output R1A, R1B, R1C on resistive load, cos phi = 1: 3 A at 30 V DC Relay output R1A, R1B, R1C, R2A, R2C on inductive load, cos phi = 0.4 and L/R = 7 ms: 2 A at 250 V AC Relay output R1A, R1B, R1C, R2A, R2C on inductive load, cos phi = 0.4 and L/R = 7 ms: 2 A at 30 V DC Relay output R2A, R2C on resistive load, cos phi = 1: 5 A at 250 V AC Relay output R2A, R2C on resistive load, cos phi = 1: 5 A at 30 V DC |
| Minimum switching current | Relay output R1A, R1B, R1C, R2A, R2C: 5 mA at 24 V DC |
| Method of access | Slave CANopen |
| 4 quadrant operation possible | True |
| Asynchronous motor control profile | Voltage/frequency ratio, 5 points Flux vector control without sensor, standard Voltage/frequency ratio - Energy Saving, quadratic U/f Flux vector control without sensor - Energy Saving Voltage/frequency ratio, 2 points |
| Synchronous motor control profile | Vector control without sensor |
| Maximum output frequency | 0.599 kHz |
| Acceleration and deceleration ramps | Linear U S CUS Ramp switching Acceleration/deceleration ramp adaptation Acceleration/deceleration automatic stop with DC injection |
| Motor slip compensation | Automatic whatever the load Adjustable 0...300 % Not available in voltage/frequency ratio (2 or 5 points) |
| Switching frequency | 2...16 kHz adjustable 4...16 kHz with derating factor |
| Nominal switching frequency | 4 kHz |
| Braking to standstill | By DC injection |
| Brake chopper integrated | True |
| Line current | 13.7 A at 380 V (heavy duty) 10.5 A at 500 V (heavy duty) |
| Maximum input current | 13.7 A |
| Maximum output voltage | 500 V |
| Apparent power | 9.1 kVA at 500 V (heavy duty) |
| Network frequency | 50...60 Hz |
| Relative symmetric network frequency tolerance | 5 % |
| Prospective line Isc | 5 kA |
| Base load current at high overload | 9.5 A |
| Power dissipation in W | Fan: 111 W at 380 V, switching frequency 4 kHz |
| With safety function Safely Limited Speed (SLS) | True |
| With safety function Safe brake management (SBC/SBT) | False |
| With safety function Safe Operating Stop (SOS) | False |
| With safety function Safe Position (SP) | False |
| With safety function Safe programmable logic | False |
| With safety function Safe Speed Monitor (SSM) | False |
| With safety function Safe Stop 1 (SS1) | True |
| With sft fct Safe Stop 2 (SS2) | False |
| With safety function Safe torque off (STO) | True |
| With safety function Safely Limited Position (SLP) | False |
| With safety function Safe Direction (SDI) | False |
| Protection type | Input phase breaks: drive Overcurrent between output phases and earth: drive Overheating protection: drive Short-circuit between motor phases: drive Thermal protection: drive |
| Width | 60 mm |
| Height | 325.0 mm |
| Depth | 245.0 mm |
| Net weight | 3.0 kg |
| Transient overtorque | 170…200 % of nominal motor torque |
| Operating position | Vertical +/- 10 degree |
| Product certifications | CE ATEX NOM GOST EAC RCM KC |
| Marking | CE ATEX UL CSA EAC RCM |
| Standards | IEC 61800-5-1 |
| Electromagnetic compatibility | Electrostatic discharge immunity test level 3 conforming to IEC 61000-4-2 Radiated radio-frequency electromagnetic field immunity test level 3 conforming to IEC 61000-4-3 Electrical fast transient/burst immunity test level 4 conforming to IEC 61000-4-4 1.2/50 µs - 8/20 µs surge immunity test level 3 conforming to IEC 61000-4-5 Conducted radio-frequency immunity test level 3 conforming to IEC 61000-4-6 Voltage dips and interruptions immunity test conforming to IEC 61000-4-11 |
| Environmental class (during operation) | Class 3C3 according to IEC 60721-3-3 Class 3S2 according to IEC 60721-3-3 |
| Maximum acceleration under shock impact (during operation) | 150 m/s² at 11 ms |
| Maximum acceleration under vibrational stress (during operation) | 10 m/s² at 13...200 Hz |
| Maximum deflection under vibratory load (during operation) | 1.5 mm at 2...13 Hz |
| Permitted relative humidity (during operation) | Class 3K5 according to EN 60721-3 |
| Volume of cooling air | 11.3 m3/h |
| Overvoltage category | III |
| Regulation loop | Adjustable PID regulator |
| Speed accuracy | +/- 10 % of nominal slip 0.2 Tn to Tn |
| Pollution degree | 2 |
| Ambient air transport temperature | -25…70 °C |
| Ambient air temperature for operation | -10…50 °C without derating 50…60 °C with derating factor |
| Ambient air temperature for storage | -25…70 °C |
For complete electrical ratings, applicable standards, connection requirements and installation instructions, consult the official Schneider Electric reference ↗.