The ATV71HD55N4Z is a high-performance variable speed drive designed for industrial applications, offering efficient motor control and reliable operation.
Product ModelATV71HD55N4Z
Product ID29601
Stock on Request
Last updated: 8/29/2026
Key Features
1
FeatureEfficient motor control for optimal performance
2
FeatureReliable operation in various industrial settings
3
FeatureWide range of motor cable lengths available
4
FeatureCompliant with 380...480 V power supply voltage
5
FeatureSuitable for 3-phase network configurations
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
55 kW, 3 phase 380...480 V
Maximum Horse Power Rating
75 hp, 3 phase 380...480 V
Maximum motor cable length
328.08 ft (100 m) shielded cable656.2 ft (200 m) unshielded cable
power supply voltage
380...480 V - 15...10 %
Phase
3 phase
Line current
101 A 480 V 3 phase 55 kW / 75 hp120 A 380 V 3 phase 55 kW / 75 hp
EMC filter
Integrated
Assembly style
With heat sink
Variant
Without remote graphic terminal
Apparent power
79 kVA 380 V 3 phase 55 kW / 75 hp
Prospective line Isc
22 kA 3 phase
Nominal output current
116 A 2.5 kHz 380 V 3 phase 55 kW / 75 hp96 A 2.5 kHz 460 V 3 phase 55 kW / 75 hp
Maximum transient current
174 A 60 s 3 phase 55 kW / 75 hp191 A 2 s 3 phase 55 kW / 75 hp
Output frequency
0.1...500 Hz
Nominal switching frequency
2.5 kHz
Switching frequency
1...16 kHz adjustable2.5...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
Type of polarization
No impedance Modbus
Product destination
Asynchronous motorsSynchronous motors
power supply voltage limits
323...528 V
power supply frequency
50...60 Hz - 5...5 %
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
Transient overtorque
170 % +/- 10 % 60 s every 10 minutes220 % +/- 10 % 2 s
Braking torque
<= 150 % with braking or hoist resistor30 % without braking resistor
Synchronous motor control profile
Vector control without speed feedback
Regulation loop
Adjustable PI regulator
Motor slip compensation
SuppressableAdjustableAutomatic whatever the loadNot available in voltage/frequency ratio (2 or 5 points)
diagnostic
for drive voltage 1 LED (red)
Output voltage
<= power supply voltage
Insulation
Electrical between power and control
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
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
2
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
1
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
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
7
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
Automatic adaptation of ramp if braking capacity exceeded, by using resistorLinear adjustable separately from 0.01 to 9000 sS, U or customized
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
Insulation resistance
> 1 mOhm 500 V DC for 1 minute to earth
Frequency resolution
Analog input 0.024/50 HzDisplay unit 0.1 Hz
communication port protocol
CANopenModbus
Connector type
1 RJ45 on front face)Modbus1 RJ45 on terminal)ModbusMale SUB-D 9 on RJ45CANopen
Physical interface
2-wire RS 485 Modbus
Transmission frame
RTU Modbus
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
3535 V DC between earth and power terminals5092 V DC between control and power terminals
Electromagnetic compatibility
1.2/50 µs - 8/20 µs 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 61800-3IEC 61800-3 environments 1 category C3IEC 61800-3 environments 2 category C3IEC 60721-3-3 class 3S2EN 55011 class A group 2UL Type 1IEC 60721-3-3 class 3C1IEC 61800-5-1
Product Certifications
ULCSANOM 117C-tick
Pollution degree
2 IEC 61800-5-13 UL 840
IP degree of protection
IP20 on upper part without blanking plate on cover IEC 60529IP20 on upper part without blanking plate on cover IEC 61800-5-1IP21 IEC 60529IP21 IEC 61800-5-1IP41 on upper part IEC 60529IP41 on upper part IEC 61800-5-1IP54 on lower part IEC 60529IP54 on lower part IEC 61800-5-1
Vibration resistance
1 gn 13...200 Hz)IEC 60068-2-61.5 mm peak to peak 3...13 Hz)IEC 60068-2-6
Shock resistance
15 gn 11 ms 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 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
ATV71HD55N4Z Variable Speed Drive by Schneider Electric | INDSLT
