ATV71HD18N4

Name: ATV71HD18N4
Brand: Schneider
SKU: ATV71HD18N4

High-efficiency variable speed drive for industrial applications with advanced control algorithms and extensive communication options.

Product ModelATV71HD18N4

Product ID29666

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 71

Product or Component Type

Variable speed drive

Product Specific Application

Complex, high-power machines

Component name

ATV71

Motor power kW

18.5 kW, 3 phase 380...480 V

Maximum Horse Power Rating

25 hp, 3 phase 380...480 V

Nominal output current

34 A 4 kHz 460 V 3 phase 18.5 kW / 25 hp41 A 4 kHz 380 V 3 phase 18.5 kW / 25 hp

Maximum transient current

61.5 A 60 s 3 phase 18.5 kW / 25 hp67.7 A 2 s 3 phase 18.5 kW / 25 hp

Switching frequency

1...16 kHz adjustable4...16 kHz with derating factor

Asynchronous motor control profile

Voltage/frequency ratio (2 or 5 points)Sensorless flux vector control (SFVC) (voltage or current vector)Flux vector control (FVC) with sensor (current vector)ENA (Energy adaptation) system for unbalanced loads

power supply frequency limits

47.5...63 Hz

Speed range

1...100 asynchronous motor in open-loop mode, without speed feedback1...1000 asynchronous motor in closed-loop mode with encoder feedback1...50 synchronous motor in open-loop mode, without speed feedback

Speed accuracy

+/- 0.01 % of nominal speed in closed-loop mode with encoder feedback 0.2 Tn to Tn+/- 10 % of nominal slip without speed feedback 0.2 Tn to Tn

Torque accuracy

+/- 15 % in open-loop mode, without speed feedback+/- 5 % in closed-loop mode with encoder feedback

type of cable for mounting in an enclosure

With a NEMA Type1 kit 3 UL 508 cable 104 °F (40 °C), copper 75 °C / PVCWith an IP21 or an IP31 kit 3 IEC cable 104 °F (40 °C), copper 70 °C / PVCWithout mounting kit 1 IEC cable 113 °F (45 °C), copper 70 °C / PVCWithout mounting kit 1 IEC cable 113 °F (45 °C), copper 90 °C / XLPE/EPR

Electrical connection

Terminal 2.5 mmÂ², AWG 14 AI1-/AI1+, AI2, AO1, R1A, R1B, R1C, R2A, R2B, LI1...LI6, PWR)Terminal 35 mmÂ², AWG 2 L1/R, L2/S, L3/T, U/T1, V/T2, W/T3, PC/-, PO, PA/+, PA, PB)

Tightening torque

5.3 lbf.in (0.6 N.m) AI1-/AI1+, AI2, AO1, R1A, R1B, R1C, R2A, R2B, LI1...LI6, PWR)47.8 lbf.in (5.4 N.m), 47.7 lb.in L1/R, L2/S, L3/T, U/T1, V/T2, W/T3, PC/-, PO, PA/+, PA, PB)

Supply

Internal supply for reference potentiometer (1 to 10 kOhm) 10.5 V DC +/- 5 %, <10 mA overload and short-circuit protectionInternal supply 24 V DC 21...27 V), <200 mA overload and short-circuit protection

Analogue input number

Analogue input type

AI1-/Al1+ bipolar differential voltage +/- 10 V DC 24 V max 11 bits + signAI2 software-configurable current 0...20 mA 242 Ohm 11 bitsAI2 software-configurable voltage 0...10 V DC 24 V max 30000 Ohm 11 bits

input sampling time

2 ms +/- 0.5 ms AI1-/Al1+) - analog2 ms +/- 0.5 ms Al2) - analog2 ms +/- 0.5 ms LI1...LI5) - discrete2 ms +/- 0.5 ms LI6)if configured as logic input - discrete

Response time

<= 100 ms in STO (Safe Torque Off)AO1 2 ms +/- 0.5 ms analogR1A, R1B, R1C 7 ms +/- 0.5 ms discreteR2A, R2B 7 ms +/- 0.5 ms discrete

absolute accuracy precision

+/- 0.6 % AI1-/Al1+) for a temperature variation 60 °C+/- 0.6 % AI2) for a temperature variation 60 °C+/- 1 % AO1) for a temperature variation 60 °C

Linearity error

+/- 0.15 % of maximum value AI1-/Al1+, AI2)+/- 0.2 % AO1)

Analogue output number

Analogue output type

AO1 software-configurable logic output 10 V 20 mAAO1 software-configurable current 0...20 mA 500 Ohm 10 bitsAO1 software-configurable voltage 0...10 V DC 470 Ohm 10 bits

Minimum switching current

3 mA 24 V DC configurable relay logic

Maximum switching current

R1, R2 2 A 250 V AC inductive, cos phi = 0.4R1, R2 2 A 30 V DC inductive, cos phi = 0.4R1, R2 5 A 250 V AC resistive, cos phi = 1R1, R2 5 A 30 V DC resistive, cos phi = 1

Discrete input number

Discrete input type

LI1...LI5 programmable 24 V DC level 1 PLC 3500 OhmLI6 switch-configurable 24 V DC level 1 PLC 3500 OhmLI6 switch-configurable PTC probe 0...6 1500 OhmPWR safety input 24 V DC 1500 Ohm ISO 13849-1 level d

Discrete input logic

Negative logic (sink) LI1...LI5), > 16 V, < 10 VPositive logic (source) LI1...LI5), < 5 V, > 11 VNegative logic (sink) LI6)if configured as logic input, > 16 V, < 10 VPositive logic (source) LI6)if configured as logic input, < 5 V, > 11 V

Acceleration and deceleration ramps

S, U or customizedLinear adjustable separately from 0.01 to 9000 sAutomatic adaptation of ramp if braking capacity exceeded, by using resistor

Braking to standstill

By DC injection

Protection type

Against exceeding limit speed driveAgainst input phase loss driveBreak on the control circuit driveInput phase breaks driveLine supply overvoltage driveLine supply undervoltage driveOvercurrent between output phases and earth driveOverheating protection driveOvervoltages on the DC bus driveShort-circuit between motor phases driveThermal protection driveMotor phase break motorPower removal motorThermal protection motor

Transmission rate

4800 bps, 9600 bps, 19200 bps, 38.4 Kbps Modbus on terminal9600 bps, 19200 bps Modbus on front face20 kbps, 50 kbps, 125 kbps, 250 kbps, 500 kbps, 1 Mbps CANopen

Data format

8 bits, 1 stop, even parity Modbus on front face8 bits, odd even or no configurable parity Modbus on terminal

Option card

Communication card CC-LinkController inside programmable cardCommunication card DeviceNetCommunication card EtherNet/IPCommunication card FipioI/O extension cardCommunication card Interbus-SInterface card for encoderCommunication card Modbus PlusCommunication card Modbus TCPCommunication card Modbus/Uni-TelwayOverhead crane cardCommunication card Profibus DPCommunication card Profibus DP V1

Noise level

60.2 dB 86/188/EEC

Dielectric strength

3535 V DC between earth and power terminals5092 V DC between control and power terminals

Electromagnetic compatibility

1.2/50 Âµs - 8/20 Âµs surge immunity test level 3 IEC 61000-4-5Conducted radio-frequency immunity test level 3 IEC 61000-4-6Electrical 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 61000-4-3Voltage dips and interruptions immunity test IEC 61000-4-11

Standards

IEC 61800-3 environments 1 category C3EN 55011 class A group 2IEC 61800-3IEC 60721-3-3 class 3C1IEC 60721-3-3 class 3S2IEC 61800-3 environments 2 category C3IEC 61800-5-1UL Type 1

Product Certifications

CSAGOSTC-tickNOM 117UL

Relative humidity

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

Ambient air temperature for operation

14...122 °F (-10...50 °C) without derating)

Ambient Air Temperature for Storage

-13...158 °F (-25...70 °C)

Operating altitude

<= 3280.84 ft (1000 m) without derating3280.84...9842.52 ft (1000...3000 m) with current derating 1 % per 100 m