Product Model

ATV21WD55N4

In Stock
Last updated: 2025/4/27
schneider ATV21WD55N4

Selling Points

  • 1Energy Optimization: Achieve up to 70% energy savings compared to traditional control systems.
  • 2Integrated EMC Filters: Ensure reliable operation with integrated Class C2 EMC filters.
  • 3User-Friendly Remote Terminal: Simplify installation and parameterization with a remote graphic terminal in 6 languages.
  • 4Compact Design: Easily integrate into HVAC systems with a compact size.
  • 5Advanced Protection Features: Continuity of service assured with dedicated “Building” series functions and automatic restart capabilities.
Product Details
ATV21WD55N4
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 A 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
Constant voltage/frequency ratio with automatic IR compensation<br />Constant voltage/frequency ratio<br />Current flux vector control (FVC) without speed feedback<br />Energy saving ratio<br />Quadratic voltage/frequency ratio
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 />Automatic whatever the load<br />Not available in voltage/frequency ratio motor control
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 (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 />362.9 lbf.in (41 N.m), 360 lb.in L1/R, L2/S, L3/T)
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
Automatic based on the load<br />Linear adjustable separately from 0.01 to 3200 s
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
Monitoring inhibitable<br />Read device identification (43)<br />Write multiple registers (16) 2 words maximum<br />Read holding registers (03) 2 words maximum<br />Time out setting from 0.1 to 100 s<br />Write single register (06)
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 C1<br />IEC 61800-3 category C2<br />EN 61800-3 category C3<br />IEC 61800-3 environments 2 category C2<br />IEC 61800-3 environments 2 category C1<br />EN 61800-3 environments 2 category C3<br />EN 61800-3<br />IEC 61800-3<br />IEC 61800-5-1<br />IEC 61800-3 environments 1 category C1<br />IEC 61800-3 environments 2 category C3<br />EN 61800-3 environments 1 category C1<br />EN 55011 class A group 1<br />EN 61800-3 environments 2 category C2<br />IEC 61800-3 environments 1 category C3<br />IEC 61800-3 environments 1 category C2<br />IEC 61800-3 category C3<br />EN 61800-5-1<br />EN 61800-3 environments 1 category C3<br />EN 61800-3 category C2<br />EN 61800-3 environments 1 category C2
Product Certifications
NOM 117<br />UL<br />CSA<br />C-tick
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