ATV31CU55N4

Name: ATV31CU55N4
Brand: Schneider
SKU: ATV31CU55N4

Product ModelATV31CU55N4

Product ID34844

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
Feature-

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Range of Product

Altivar 31

Product or Component Type

Variable speed drive

Product destination

Asynchronous motors

Product Specific Application

Simple machine

Assembly style

Enclosed

Component name

ATV31

power supply voltage

380...500 V - 15...10 %

power supply frequency

50...60 Hz - 5...5 %

Phase

3 phase

Motor power kW

5.5 kW

Maximum Horse Power Rating

7.5 hp

Line current

16.5 A 500 V 1 kA21.9 A 380 V 1 kA

Apparent power

15 kVA

maximum prospective line Isc

22 kA

Nominal output current

14.3 A 4 kHz

Maximum transient current

21.5 A 60 s

Power dissipation in W

232 W at nominal load

Speed range

1...50

Transient overtorque

150...170 % of nominal motor torque

Asynchronous motor control profile

Factory set : constant torqueSensorless flux vector control with PWM type motor control signal

Analogue input number

IP degree of protection

IP55

power supply voltage limit

323...550 V

power supply frequency limits

47.5...63 Hz

Speed drive output frequency

0.5...500 Hz

Nominal switching frequency

4 kHz

Switching frequency

2...16 kHz adjustable

Braking torque

<= 150 % 60 s with braking resistor100 % with braking resistor continuously30 % without braking resistor

Regulation loop

Frequency PI regulator

Motor slip compensation

SuppressableAdjustableAutomatic whatever the load

Output voltage

<= power supply voltage

Electrical connection

Al1, Al2, Al3, AOV, AOC, R1A, R1B, R1C, R2A, R2B, LI1...LI6 terminal 0.004 inÂ² (2.5 mmÂ²) AWG 14L1, L2, L3, U, V, W, PA, PB, PA/+, PC/- terminal 0.004 inÂ² (2.5 mmÂ²) AWG 14

Tightening torque

Al1, Al2, Al3, AOV, AOC, R1A, R1B, R1C, R2A, R2B, LI1...LI6 5.3 lbf.in (0.6 N.m)L1, L2, L3, U, V, W, PA, PB, PA/+, PC/- 7.08 lbf.in (0.8 N.m)

Insulation

Electrical between power and control

Supply

Internal supply for logic inputs 19...30 V, <100 mA overload protectionInternal supply for logic inputs 19...30 V, <100 mA short-circuit protectionInternal supply for reference potentiometer 10...10.8 V, <10 mA overload protectionInternal supply for reference potentiometer 10...10.8 V, <10 mA short-circuit protection

Analogue input type

AI3 configurable current 0...20 mA 250 OhmAI1 configurable voltage 0...10 V 30 V max 30000 OhmAI2 configurable voltage +/- 10 V 30 V max 30000 Ohm

input sampling time

LI1...LI6 4 ms discreteAI1, AI2, AI3 8 ms analog

output response time

AOV, AOC 8 ms analogR1A, R1B, R1C, R2A, R2B 8 ms discrete

Linearity error

+/- 0.2 % output

Analogue output number

Analogue output type

AOC configurable current 0...20 mA 800 Ohm 8 bitsAOV configurable voltage 0...10 V 470 Ohm 8 bits

Discrete input logic

Positive logic (source) LI1...LI6), < 5 V, > 11 VLogic input not wired LI1...LI4), < 13 VNegative logic (source) LI1...LI6), > 19 V

Discrete output number

Discrete output type

Configurable relay logic R1A, R1B, R1C) 1 NO + 1 NC - 100000 cyclesConfigurable relay logic R2A, R2B) NC - 100000 cycles

Minimum switching current

10 mA 5 V DC R1-R2

Maximum switching current

2 A 250 V AC inductive - cos phi = 0.4 - L/R = 7 ms R1-R2)2 A 30 V DC inductive - cos phi = 0.4 - L/R = 7 ms R1-R2)5 A 250 V AC resistive - cos phi = 1 - L/R = 0 ms R1-R2)5 A 30 V DC resistive - cos phi = 1 - L/R = 0 ms R1-R2)

Discrete input number

Discrete input type

LI1...LI6) programmable 24 V, 0...100 mA PLC 3500 Ohm

Acceleration and deceleration ramps

Linear adjustable separately from 0.1 to 999.9 sS, U or customized

Braking to standstill

By DC injection

Protection type

Input phase breaks driveLine supply overvoltage and undervoltage safety circuits driveLine supply phase loss safety function, for three phases supply driveMotor phase breaks driveOvercurrent between output phases and earth (on power up only) driveOverheating protection driveShort-circuit between motor phases driveThermal protection motor

Insulation resistance

>= 500 mOhm 500 V DC for 1 minute

Local signalling

for drive voltage 1 LED (red) for CANopen bus status four 7-segment display units

Time constant

5 ms for reference change

Frequency resolution

Display unit 0.1 HzAnalog input 0.1...100 Hz

communication port protocol

CANopenModbus

Connector type

1 RJ45 CANopen via VW3 CANTAP2 adaptor1 RJ45 Modbus

Physical interface

RS485 multidrop serial link Modbus

Transmission frame

RTU Modbus

Transmission Rate

10, 20, 50, 125, 250, 500 kbps or 1 Mbps CANopen via VW3 CANTAP2 adaptor4800, 9600 or 19200 bps Modbus

Number of addresses

1...127 CANopen via VW3 CANTAP2 adaptor1...247 Modbus

Number of drive

127 CANopen via VW3 CANTAP2 adaptor31 Modbus

marking

Operating position

Vertical +/- 10 degree

Net Weight

52.03 lb(US) (23.6 kg)

Dielectric strength

2410 V DC between earth and power terminals3400 V AC between control and power terminals

Electromagnetic compatibility

1.2/50 Âµs - 8/20 Âµs surge immunity test level 3 IEC 61000-4-5Electrical fast transient/burst immunity test level 4 IEC 61000-4-4Electrostatic discharge immunity test level 3 IEC 61000-4-2Radiated radio-frequency electromagnetic field immunity test level 3 IEC 61000-4-3

Standards

EN 50178

Product Certifications

C-tick

Pollution degree

Protective treatment

Vibration resistance

1 gn 13...150 Hz)EN/IEC 60068-2-61.5 mm 3...13 Hz)EN/IEC 60068-2-6

Shock resistance

15 gn 11 ms EN/IEC 60068-2-27

Relative humidity

5...95 % without condensation IEC 60068-2-35...95 % without dripping water IEC 60068-2-3

Ambient Air Temperature for Storage

-13...158 °F (-25...70 °C)

Ambient air temperature for operation

14...122 °F (-10...50 °C) without derating with protective cover on top of the drive)14...140 °F (-10...60 °C) with derating factor without protective cover on top of the drive)

Operating altitude

<= 3280.84 ft (1000 m) without derating>= 3280.84 ft (1000 m) with current derating 1 % per 100 m