Product Model

ATV21WD55N4C

In Stock
Last updated: 2025/4/27
schneider ATV21WD55N4C

Selling Points

  • 1High Power Output: 55kW power for demanding applications.
  • 2Versatile Input/Output: 3-phase/380V supply input and output.
  • 3Advanced Control: PID regulator, scalar control, and vector control modes.
  • 4Reliability and Safety: Built-in EMC filter and overtorque protection up to 110%.
  • 5Efficient Operation: Linear and quadratic control laws for optimal motor performance.
Product Details
ATV21WD55N4C
schneider

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Range of Product
Altivar 21
Product or Component Type
Variable speed drive
Product destination
Asynchronous motors
Product Specific Application
Pumps and fans in HVAC
Assembly style
With heat sink
Component name
ATV21
EMC filter
Class B EMC filter integrated
power supply voltage
380...480 V - 15...10 %
Phase
3 phase
Motor power kW
55 kW
Maximum Horse Power Rating
75 hp
Line current
89 A 480 V<br />102.7 A 380 V
Speed range
1…10
Transient overtorque
120 % of nominal motor torque +/- 10 % 60 s
Asynchronous motor control profile
Quadratic voltage/frequency ratio<br />Energy saving ratio<br />Constant voltage/frequency ratio with automatic IR compensation<br />Constant voltage/frequency ratio<br />Current flux vector control (FVC) without speed feedback
communication port protocol
Modbus
Type of polarization
No impedance
IP degree of protection
IP54 EN 60530<br />IP54 EN 61800-5-2<br />IP54 IEC 60529<br />IP54 IEC 61800-5-1
Option card
Communication card APOGEE FLN<br />Communication card BACnet<br />Communication card LonWorks<br />Communication card METASYS N2
power supply voltage limits
323…528 V
power supply frequency
50...60 Hz - 5...5 %
power supply frequency limits
47.5…63 Hz
Apparent power
76.3 kVA 380 V
maximum prospective line Isc
22 kA
maximum continuous output current
116 A 380 V<br />116 A 460 V
Maximum transient current
127.6 A 60 s
Speed drive output frequency
0.5…200 Hz
Nominal switching frequency
8 kHz
Switching frequency
6...16 kHz adjustable<br />8...16 kHz with derating factor
Speed accuracy
+/- 10 % of nominal slip 0.2 Tn to Tn
Torque accuracy
+/- 15 %
Regulation loop
Adjustable PI regulator
Motor slip compensation
Adjustable<br />Not available in voltage/frequency ratio motor control<br />Automatic whatever the load
diagnostic
for DC bus energized 1 LED (red)
Output voltage
<= power supply voltage
Insulation
Electrical between power and control
recommended type of cable for mounting in an enclosure
With UL Type 1 kit 3 UL 508 cable 104 °F (40 °C), copper 75 °C / PVC<br />Without mounting kit 1 IEC cable 113 °F (45 °C), copper 70 °C / PVC<br />Without mounting kit 1 IEC cable 113 °F (45 °C), copper 90 °C / XLPE/EPR
Electrical connection
VIA, VIB, FM, FLA, FLB, FLC, RY, RC, F, R, RES terminal 0.004 in² (2.5 mm²) / AWG 14<br />L1/R, L2/S, L3/T terminal 0.2 in² (130 mm²) 250 kcmil)<br />U/T1, V/T2, W/T3 terminal 0.2 in² (150 mm²) 300 kcmil)
Tightening torque
5.3 lbf.in (0.6 N.m) VIA, VIB, FM, FLA, FLB, FLC, RY, RC, F, R, RES)<br />141.6 lbf.in (16 N.m), 142 lb.in L1/R, L2/S, L3/T)<br />362.9 lbf.in (41 N.m), 360 lb.in U/T1, V/T2, W/T3)
Supply
Internal supply 24 V DC 21…27 V), <200 mA overload and short-circuit protection<br />Internal supply for reference potentiometer (1 to 10 kOhm) 10.5 V DC +/- 5 %, <10 mA overload and short-circuit protection
Analogue input number
2
Analogue input type
VIA switch-configurable current 0...20 mA 242 Ohm 11 bits<br />VIA switch-configurable voltage 0...10 V DC 24 V max 30000 Ohm 11 bits<br />VIB configurable PTC probe 0...6 probes 1500 Ohm<br />VIB configurable voltage 0...10 V DC 24 V max 30000 Ohm 11 bits
Sampling duration
F 2 ms +/- 0.5 ms discrete<br />R 2 ms +/- 0.5 ms discrete<br />RES 2 ms +/- 0.5 ms discrete<br />VIA 2 ms +/- 0.5 ms analog<br />VIB 2 ms +/- 0.5 ms analog
Response time
FLA, FLC 7 ms +/- 0.5 ms discrete<br />FLB, FLC 7 ms +/- 0.5 ms discrete<br />FM 2 ms +/- 0.5 ms analog<br />RY, RC 7 ms +/- 0.5 ms discrete
Accuracy
+/- 1 % FM) for a temperature variation 60 °C<br />+/- 0.6 % VIA) for a temperature variation 60 °C<br />+/- 0.6 % VIB) for a temperature variation 60 °C
Linearity error
FM +/- 0.2 % output<br />VIA +/- 0.15 % of maximum value input<br />VIB +/- 0.15 % of maximum value input
Analogue output number
1
Analogue output type
FM switch-configurable current 0...20 mA 500 Ohm 10 bits<br />FM switch-configurable voltage 0...10 V DC 470 Ohm 10 bits
Discrete output number
2
Discrete output type
Configurable relay logic FLA, FLC) NO - 100000 cycles<br />Configurable relay logic FLB, FLC) NC - 100000 cycles<br />Configurable relay logic RY, RC) NO - 100000 cycles
Minimum switching current
3 mA 24 V DC configurable relay logic
Maximum switching current
2 A 250 V AC inductive cos phi = 0.4 L/R = 7 ms FL, R)<br />2 A 30 V DC inductive cos phi = 0.4 L/R = 7 ms FL, R)<br />5 A 250 V AC resistive cos phi = 1 L/R = 0 ms FL, R)<br />5 A 30 V DC resistive cos phi = 1 L/R = 0 ms FL, R)
Discrete input type
F programmable 24 V DC level 1 PLC 3500 Ohm<br />R programmable 24 V DC level 1 PLC 3500 Ohm<br />RES programmable 24 V DC level 1 PLC 3500 Ohm
Discrete input logic
Negative logic (sink) F, R, RES), >= 16 V, <= 10 V<br />Positive logic (source) F, R, RES), <= 5 V, >= 11 V
Acceleration and deceleration ramps
Linear adjustable separately from 0.01 to 3200 s<br />Automatic based on the load
Braking to standstill
By DC injection
Protection type
Against input phase loss drive<br />Break on the control circuit drive<br />Input phase breaks drive<br />Line supply overvoltage and undervoltage drive<br />Line supply undervoltage drive<br />Overcurrent between output phases and earth drive<br />Overheating protection drive<br />Overvoltages on the DC bus drive<br />Short-circuit between motor phases drive<br />Thermal power stage drive<br />Motor phase break motor<br />Thermal protection motor<br />With PTC probes motor<br />Against exceeding limit speed drive
Insulation resistance
>= 1 mOhm 500 V DC for 1 minute
Frequency resolution
Analog input 0.024/50 Hz<br />Display unit 0.1 Hz
Connector Type
1 RJ45
Physical interface
2-wire RS 485
Transmission frame
RTU
Transmission Rate
9600 bps or 19200 bps
Data format
8 bits, 1 stop, odd even or no configurable parity
Number of addresses
1…247
Communication Service
Write single register (06)<br />Time out setting from 0.1 to 100 s<br />Read holding registers (03) 2 words maximum<br />Monitoring inhibitable<br />Write multiple registers (16) 2 words maximum<br />Read device identification (43)
marking
CE
Operating position
Vertical +/- 10 degree
Height
39.4 in (1000 mm)
Width
14.3 in (362 mm)
Depth
14.3 in (364 mm)
Noise level
63.7 dB 86/188/EEC
Dielectric strength
3535 V DC between earth and power terminals<br />5092 V DC between control and power terminals
Electromagnetic compatibility
1.2/50 µs - 8/20 µs surge immunity test level 3 IEC 61000-4-5<br />Conducted radio-frequency immunity test level 3 IEC 61000-4-6<br />Electrical fast transient/burst immunity test level 4 IEC 61000-4-4<br />Electrostatic discharge immunity test level 3 IEC 61000-4-2<br />Radiated radio-frequency electromagnetic field immunity test level 3 IEC 61000-4-3<br />Voltage dips and interruptions immunity test IEC 61000-4-11
Standards
EN 61800-3 environments 2 category C2<br />IEC 61800-3 environments 1 category C1<br />EN 61800-3 environments 2 category C3<br />IEC 61800-3 environments 1 category C2<br />EN 61800-3 category C1<br />EN 61800-3 environments 1 category C3<br />EN 61800-3 environments 2 category C1<br />IEC 61800-3 environments 2 category C3<br />IEC 61800-3 environments 1 category C3<br />EN 61800-3 environments 1 category C1<br />IEC 61800-3<br />EN 55011 group 1 class B<br />IEC 61800-3 environments 2 category C1<br />EN 61800-3 environments 1 category C2<br />IEC 61800-5-1<br />IEC 61800-3 category C1<br />EN 61800-3<br />EN 61800-5-1<br />IEC 61800-3 environments 2 category C2
Product Certifications
CSA<br />NOM 117<br />C-tick<br />UL
Vibration resistance
1 gn 13…200 Hz)EN/IEC 60068-2-8<br />1.5 mm 3…13 Hz)EN/IEC 60068-2-6
Shock resistance
15 gn 11 ms IEC 60068-2-27
Pollution degree
3 IEC 61800-5-1
Environmental characteristic
Classes 3C1 IEC 60721-3-3<br />Classes 3S2 IEC 60721-3-3
Relative humidity
5…95 % without condensation IEC 60068-2-3<br />5…95 % without dripping water IEC 60068-2-3
Ambient air temperature for operation
14…104 °F (-10…40 °C) without derating)<br />104…122 °F (40…50 °C) with derating factor)
Ambient Air Temperature for Storage
-13…158 °F (-25…70 °C)

Specifications may be subject to change without notice