Range of product
Altivar 303
Product or component type
Variable speed drive
Product destination
Asynchronous motors
Product specific application
Simple machine
Assembly style
Enclosed
With heat sink
Component name
ATV303
Motor power kW
0.75 kW
[Us] rated supply voltage
380...460 V - 15...10 %
Supply frequency
50...60 Hz - 5...5 %
Network number of phases
3 phases
Line current
3.5 A at 380 V, Isc = 5 kA
3.1 A at 460 V
Apparent power
2.5 kVA
Maximum transient current
3.5 A for 60 s
4.6 A for 2 s
Power dissipation in W
28.8 W at nominal load
Speed range
1…20
Asynchronous motor control profile
Constant voltage/frequency ratio
Vector control with/without speed feedback
Quadratic voltage/frequency ratio
Electrical connection
LI1...LI4 terminal 2.5 mm²
L1, L2, L3, PA/+, PB, U, V, W terminal 2.5 mm²
LO+, LO- terminal 2.5 mm²
R1A, R1B, R1C terminal 2.5 mm²
AO1 terminal 2.5 mm²
Supply
Internal supply for logic inputs: 19...30 V 100 mA, protection type: overload and short-circuit protection
Internal supply for reference potentiometer (2.2 to 10 kOhm): 10...10.8 V 10 mA, protection type: overload and short-circuit protection
Communication port protocol
Modbus
IP degree of protection
IPx2 body
Option card
Communication card for Modbus TCP
Complementary
Variant
Reinforced version
Supply voltage limits
323…506 V
Network frequency
47.5...63 Hz
Prospective line Isc
5 kA
Continuous output current
2.3 A at 4 kHz
Output frequency
0.5…400 kHz
Nominal switching frequency
4 kHz
Switching frequency
2...12 kHz adjustable
Transient overtorque
170…200 % of nominal motor torque
Regulation loop
Frequency PI regulator
Motor slip compensation
Adjustable
Suppressable
Automatic whatever the load
Output voltage
<= power supply voltage
Tightening torque
LI1...LI4: 1 N.m
L1, L2, L3, PA/+, PB, U, V, W: 1 N.m
LO+, LO-: 1 N.m
R1A, R1B, R1C: 1 N.m
AO1: 1 N.m
Insulation
Electrical between power and control
Analogue input number
1
Analogue input type
AI1 configurable voltage or current 0...10 V, input voltage 30 V max, impedance: 30000 Ohm 20 ms 10 bits
Sampling duration
AI1: 20 ms analog
LI1...LI4: 20 ms discrete
Analogue output number
1
Analogue output type
AO1 voltage/current: 0...20 mA, impedance: 800 Ohm, resolution: 8 bits
Discrete input logic
Positive logic (LI1...LI4), < 13 V (state 1)
Discrete output number
2
Discrete output type
Relay: (R1A, R1B, R1C) 1 NO + 1 NC - 100000 cycles
Minimum switching current
R1A, R1B, R1C 5 mA at 24 V DC
Maximum switching current
R/L1, S/L2, T/L3: 2 A at 250 V AC inductive load, cos phi = 0.4 and L/R = 7 ms
R/L1, S/L2, T/L3: 2 A at 30 V DC inductive load, cos phi = 0.4 and L/R = 7 ms
R/L1, S/L2, T/L3: 5 A at 250 V AC resistive load, cos phi = 1 and L/R = 0 ms
R/L1, S/L2, T/L3: 5 A at 30 V DC resistive load, cos phi = 1 and L/R = 0 ms
Discrete input number
4
Discrete input type
(LI1...LI4) programmable as logic input at 24 V, 0…100 mA for PLC, impedance: 3500 Ohm
Acceleration and deceleration ramps
Linear adjustable separately from 0.1 to 999.9 s
Braking to standstill
By DC injection
Protection type
Short-circuit between motor phases: drive
Overload protection (thermal): drive
Overvoltage protection: drive
Undervoltage protection: drive
Earth fault: drive
Insulation resistance
>= 500 mOhm 500 V DC for 1 minute
Local signalling
1 LED (red) for drive voltage
Four 7-segment display units for Modbus plus status
Time constant
5 ms for reference change
Frequency resolution
Analog input: 0.1...100 Hz
Display unit: 0.1 Hz
Connector type
1 RJ45 for Modbus
Physical interface
RS485 multidrop serial link
Transmission frame
RTU
Transmission rate
4800, 9600 or 19200 bps for Modbus
Number of addresses
1…247 for Modbus
Number of drive
31 for Modbus
Marking
CE
Operating position
Vertical +/- 10 degree
Height
72 mm
Width
143 mm
Depth
130 mm
Product weight
0.8 kg
Environment
Dielectric strength
2410 V DC between earth and power terminals
3400 V AC between control and power terminals
Electromagnetic compatibility
1.2/50 µs - 8/20 µs surge immunity test level 3 conforming to IEC 61000-4-5
Electrical fast transient/burst immunity test level 4 conforming to IEC 61000-4-4
Electrostatic discharge immunity test level 3 conforming to IEC 61000-4-2
Radiated radio-frequency electromagnetic field immunity test level 3 conforming to IEC 61000-4-3
Standards
IEC 61800-5-1
IEC 61800-3
Product certifications
CSA
DNV
UL
C-Tick
GOST
NOM
pollution degree
2
Protective treatment
TC
Vibration resistance
1 gn (f= 13…150 Hz) conforming to EN/IEC 60068-2-6
1.5 mm (f= 3…13 Hz) conforming to EN/IEC 60068-2-6
Shock resistance
15 gn for 11 ms conforming to EN/IEC 60068-2-27
Relative humidity
5…95 % without condensation conforming to IEC 60068-2-3
5…95 % without dripping water conforming to IEC 60068-2-3
Ambient air temperature for storage
-25…70 °C
Ambient air temperature for operation
-10…55 °C without derating (with protective cover on top of the drive)
-10…65 °C with current derating 1.5 % per °C (without protective cover on top of the drive)
Operating altitude
<= 1000 m without derating
1000...3000 m with current derating 1 % per 100 m