VFD for Compressors: Selection Guide
How to select and size a VFD for screw, reciprocating and centrifugal compressors, covering overload rating, turndown limits and energy savings.
- Part number
- ATV930D90N4
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Schneider Electric ATV930D90N4 ATV930 90kW 3-Phase 400-480V 173A Variable Speed Drive
Description
About the ATV930D90N4
About the ATV930D90N4
The Schneider Electric ATV930D90N4 is a high-performance ATV930 series variable speed drive rated at 90 kW and 173 A, designed for 3-phase 400–480 V industrial applications. This frequency inverter delivers precise torque control and significant energy savings for demanding motor control installations, making it an ideal solution for pumps, fans, compressors, and conveyor systems.
Applications & Use Cases
- Pump & Fan Control: The ATV930D90N4 variable speed drive optimises flow rates and reduces energy consumption in HVAC, water treatment, and industrial pump systems.
- Compressor Drives: Delivers smooth acceleration and deceleration for air and process compressors, extending equipment service life.
- Conveyor & Material Handling: Precise speed and torque control supports consistent throughput on production lines and conveyor systems.
- Industrial Process Automation: Suitable for integration into PLC-controlled automation architectures requiring reliable variable frequency drive performance.
Frequently Asked Questions
What motor power does the ATV930D90N4 support?
The ATV930D90N4 is rated for 90 kW motors operating on a 3-phase 400–480 V supply, with a continuous output current of 173 A.
Which voltage range is compatible with the ATV930D90N4?
This drive accepts 3-phase input voltages from 400 V to 480 V AC, covering the standard industrial supply voltages used across Europe and international markets.
How heavy is the ATV930D90N4 unit?
The unit weighs 53 kg, which should be accounted for during panel design, mounting, and logistics planning.
Is the ATV930D90N4 suitable for energy-saving applications?
Yes. Like all ATV930 series variable speed drives, the ATV930D90N4 is engineered for energy efficiency, reducing power consumption by matching motor speed precisely to load demand — particularly effective in pump and fan applications following the cube law of power.
Specification
Full specification
Main 19
| Range of Product | Altivar Process ATV900 |
|---|---|
| Product Specific Application | Process for industrial |
| Product or Component Type | Variable speed drive |
| Variant | Standard version, With braking chopper |
| Device Application | Industrial Application |
| Product destination | Synchronous motors, Asynchronous motors |
| Phase | 3 phase |
| Mounting Mode | Wall mount |
| Continuous output current | 173 A 2.5 kHz normal duty, 145 A 2.5 kHz heavy duty |
| Communication Port Protocol | EtherNet/IP, Modbus serial, Modbus TCP |
| option module | Slot A communication module Profibus DP V1, Slot A communication module PROFINET, Slot A communication module DeviceNet, Slot A communication module EtherCAT, Slot A communication module CANopen daisy chain RJ45, Slot A communication module CANopen SUB-D 9, Slot A communication module CANopen screw terminals, Slot A/slot B/slot C digital and analog I/O extension module, Slot A/slot B/slot C output relay extension module, Slot B 5/12 V digital encoder interface module, Slot B analog encoder interface module, Slot B resolver encoder interface module, communication module Ethernet Powerlink |
| [Us] rated supply voltage | 380...480 V - 15...10 % |
| Relative symmetric mains voltage tolerance | 10 % |
| Relative symmetric network frequency tolerance | 5 % |
| nominal output current | 173.0 A |
| Motor power kW | 90.0 kW normal duty, 75.0 kW heavy duty |
| EMC filter | Integrated, With EMC plate option |
| IP degree of protection | IP21 |
| Degree of protection | UL type 1 |
Complementary 68
| Electrical connection | Control screw terminal 0.5...1.5 mm² 20 AWG...16 AWG, Line side screw terminal 120 mm² 4/0 AWG...250 kcmil, Motor screw terminal 120 mm² 250 kcmil, DC bus screw terminal 95...120 mm² 3/0 AWG...250 kcmil |
|---|---|
| Transmission Rate | 10/100 Mbit/s Ethernet IP/Modbus TCP, 4.8, 9.6, 19.2, 38.4 kbit/s Modbus serial |
| Exchange mode | Half duplex, full duplex, autonegotiation Ethernet IP/Modbus TCP |
| Data format | 8 bits, configurable odd, even or no parity Modbus serial |
| Type of polarization | No impedance Modbus serial |
| Number of addresses | 1…247 Modbus serial |
| Supply | External supply for digital inputs 24 V DC 19…30 V), <1.25 mA overload and short-circuit protection, Internal supply for reference potentiometer (1 to 10 kOhm) 10.5 V DC +/- 5 %, <10 mA overload and short-circuit protection, Internal supply for digital inputs and STO 24 V DC 21…27 V), <200 mA overload and short-circuit protection |
| Local signalling | Local diagnostic: 3 LED (mono/dual colour), Embedded communication status: 5 LED (dual colour), Communication module status: 2 LED (dual colour), Presence of voltage: 1 LED (red) |
| Input compatibility | DI1...DI8 discrete input level 1 PLC IEC 61131-2, DI7, DI8 pulse input level 1 PLC IEC 65A-68, STOA, STOB discrete input level 1 PLC IEC 61131-2 |
| Discrete input logic | Positive logic (source) DI1...DI8), 11 V, Negative logic (sink) DI1...DI8), > 16 V, < 10 V, Positive logic (source) DI7, DI8), 2.5 V, Positive logic (source) STOA, STOB), 11 V |
| Sampling duration | 2 ms +/- 0.5 ms DI1...DI8) - discrete input, 5 ms +/- 1 ms DI7, DI8) - pulse input, 1 ms +/- 1 ms AI1, AI2, AI3) - analog input, 5 ms +/- 1 ms AQ1, AQ2) - analog output |
| Accuracy | +/- 0.6 % AI1, AI2, AI3 for a temperature variation 60 °C analog input, +/- 1 % AQ1, AQ2 for a temperature variation 60 °C analog output |
| Linearity error | AI1, AI2, AI3 +/- 0.15 % of maximum value analog input, AQ1, AQ2 +/- 0.2 % analog output |
| Refresh time | Relay output R1, R2, R3)5 ms +/- 0.5 ms) |
| Isolation | Between power and control terminals |
| Discrete input number | 10 |
| Discrete input type | DI1...DI8 programmable, 24 V DC <= 30 V)3.5 kOhm, DI7, DI8 programmable as pulse input 0…30 kHz, 24 V DC <= 30 V), STOA, STOB safe torque off, 24 V DC 2.2 kOhm |
| Discrete output number | 2 |
| Discrete output type | Logic output DQ+ 0…1 kHz <= 30 V DC 100 mA, Programmable as pulse output DQ+ 0…30 kHz <= 30 V DC 20 mA, Logic output DQ- 0…1 kHz <= 30 V DC 100 mA |
| Analogue input number | 3 |
| Analogue input type | AI1, AI2, AI3 software-configurable voltage 0...10 V DC 30 kOhm 12 bits, AI1, AI2, AI3 software-configurable current 0...20 mA/4...20 mA 250 Ohm 12 bits |
| Analogue output number | 2 |
| Analogue output type | Software-configurable voltage AQ1, AQ2 0...10 V DC 470 Ohm 10 bits, Software-configurable current AQ1, AQ2 0...20 mA 500 Ohm 10 bits |
| Relay output number | 3 |
| Relay output type | Configurable relay logic R1 fault relay NO/NC 100000 cycles, Configurable relay logic R2 sequence relay NO 1000000 cycles, Configurable relay logic R3 sequence relay NO 1000000 cycles |
| Maximum switching current | Relay output R1 resistive, cos phi = 1 3 A 250 V AC, Relay output R1 resistive, cos phi = 1 3 A 30 V DC, Relay output R1 inductive, cos phi = 0.4 7 ms 2 A 250 V AC, Relay output R1 inductive, cos phi = 0.4 7 ms 2 A 30 V DC, Relay output R2, R3 resistive, cos phi = 1 5 A 250 V AC, Relay output R2, R3 resistive, cos phi = 1 5 A 30 V DC, Relay output R2, R3 inductive, cos phi = 0.4 7 ms 2 A 250 V AC, Relay output R2, R3 inductive, cos phi = 0.4 7 ms 2 A 30 V DC |
| Minimum switching current | Relay output R1, R2, R3 5 mA 24 V DC |
| Physical interface | Ethernet, 2-wire RS 485 |
| Connector Type | 2 RJ45, 1 RJ45 |
| Method of access | Slave Modbus TCP |
| Transmission frame | RTU |
| 4 quadrant operation possible | True |
| Asynchronous motor control profile | Constant torque standard, Optimized torque mode, Variable torque standard |
| Synchronous motor control profile | Permanent magnet motor, Synchronous reluctance motor |
| Maximum output frequency | 599 Hz |
| Acceleration and deceleration ramps | Linear adjustable separately from 0.01...9999 s |
| Motor slip compensation | Adjustable, Not available in permanent magnet motor law, Can be suppressed, Automatic whatever the load |
| Switching frequency | 1...8 kHz adjustable, 2.5...8 kHz with derating factor |
| Nominal switching frequency | 2.5 kHz |
| Braking to standstill | By DC injection |
| Brake chopper integrated | True |
| Line current | 156.2 A 380 V normal duty), 134.3 A 380 V heavy duty), 135.8 A 480 V normal duty), 118.1 A 480 V heavy duty) |
| Maximum Input Current per Phase | 156.2 A |
| Maximum output voltage | 480.0 V |
| Apparent power | 112.9 kVA 480 V normal duty), 98.2 kVA 480 V heavy duty) |
| Maximum transient current | 207.6 A 60 s normal duty), 217.5 A 60 s heavy duty) |
| Network Frequency | 50-60 Hz |
| Prospective line Isc | 50 kA |
| Base load current at high overload | 145.0 A |
| Base load current at low overload | 173.0 A |
| Power dissipation in W | Natural convection 196 W 380 V 2.5 kHz, Forced convection 1585 W 380 V 2.5 kHz |
| With safety function Safely Limited Speed (SLS) | True |
| With safety function Safe brake management (SBC/SBT) | True |
| With safety function Safe Operating Stop (SOS) | False |
| With safety function Safe Position (SP) | False |
| With safety function Safe programmable logic | False |
| With safety function Safe Speed Monitor (SSM) | False |
| With safety function Safe Stop 1 (SS1) | True |
| With sft fct Safe Stop 2 (SS2) | False |
| With safety function Safe torque off (STO) | True |
| With safety function Safely Limited Position (SLP) | False |
| With safety function Safe Direction (SDI) | False |
| Protection type | Thermal protection motor, Safe torque off motor, Motor phase break motor, Thermal protection drive, Safe torque off drive, Overheating drive, Overcurrent between output phases and earth drive, Overload of output voltage drive, Short-circuit protection drive, Motor phase break drive, Overvoltages on the DC bus drive, Line supply overvoltage drive, Line supply undervoltage drive, Line supply phase loss drive, Overspeed drive, Break on the control circuit drive |
| Quantity per Set | 1 |
| Width | 11.4 in (290 mm) |
| Height | 36.3 in (922 mm) |
| Depth | 12.8 in (325.5 mm) |
| Net Weight | 131.2 lb(US) (59.5 kg) |
Environment 26
| Insulation resistance | > 1 MOhm 500 V DC for 1 minute to earth |
|---|---|
| Noise level | 68.3 dB 86/188/EEC |
| Vibration resistance | 1.5 mm peak to peak (f= 2…13 Hz) conforming to IEC 60068-2-6, 1 gn (f= 13…200 Hz) conforming to IEC 60068-2-6 |
| Shock resistance | 15 gn 11 ms IEC 60068-2-27 |
| Environmental characteristic | Chemical pollution resistance class 3C3 IEC 60721-3-3, Dust pollution resistance class 3S3 IEC 60721-3-3 |
| Relative humidity | 5…95 % without condensation IEC 60068-2-3 |
| Ambient air temperature for operation | 5…122 °F (-15…50 °C) (without derating), 122…140 °F (50…60 °C) (with derating factor) |
| Operating altitude | <= 3280.84 ft (1000 m) without derating, 1000...4800 m with current derating 1 % per 100 m |
| Operating position | Vertical +/- 10 degree |
| Product Certifications | UL, CSA, TÜV |
| Marking | CE |
| Standards | UL 508C, IEC 61800-3, IEC 61800-5-1, IEC 61000-3-12, IEC 60721-3, IEC 61508, IEC 13849-1 |
| Maximum THDI | <48 % from 80...100 % of load IEC 61000-3-12 |
| Assembly style | Enclosed |
| Electromagnetic compatibility | 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, Electrical fast transient/burst immunity test level 4 conforming to IEC 61000-4-4, 1.2/50 µs - 8/20 µs surge immunity test level 3 conforming to IEC 61000-4-5, Conducted radio-frequency immunity test level 3 conforming to IEC 61000-4-6 |
| Environmental class (during operation) | Class 3C3 according to IEC 60721-3-3, Class 3S3 according to IEC 60721-3-3 |
| Maximum acceleration under shock impact (during operation) | 150 m/s² at 11 ms |
| Maximum acceleration under vibrational stress (during operation) | 10 m/s² at 13...200 Hz |
| Maximum deflection under vibratory load (during operation) | 1.5 mm at 2...13 Hz |
| Permitted relative humidity (during operation) | Class 3K5 according to EN 60721-3 |
| Volume of cooling air | 77932.2 Gal/hr(US) (295 m3/h) |
| Overvoltage category | III |
| Regulation loop | Adjustable PID regulator |
| Pollution degree | 2 |
| Ambient air transport temperature | -40…158 °F (-40…70 °C) |
| Ambient Air Temperature for Storage | -40…158 °F (-40…70 °C) |
Show all 126 specifications ↓ Show less ↑13 more values in Identification, Contractual warranty, Logistics.
Identification 7
| Part number | ATV930D90N4 |
|---|---|
| Brand | Schneider Electric |
| Condition | New, factory sealed |
| Source | Schneider Electric and its authorised distributors |
| Warranty | Manufacturer warranty |
| Lifecycle status | Active, in production |
| EAN | 3606480883415 |
Contractual warranty 1
| Warranty (in months) | 18 |
|---|
Logistics 5
| Country of origin | IN |
|---|---|
| Shipping weight | 53.0 kg |
| Ships from | Türkiye |
| Dispatch | 16 Nov |
| Stock | Low stock |
Source: manufacturer data · Last verified: 30 Oct 2026
Documents
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Certifications
Certifications and standards
- UL
- CSA
- UL 508C
- IEC 61800-3
- IEC 61800-5-1
- IEC 61000-3-12
- IEC 60721-3
- IEC 61508
- IEC 13849-1
Quick answers
Questions about the ATV930D90N4
What is the rated current of ATV930D90N4?
The rated current of ATV930D90N4 is 173 A.
Which supply voltage is ATV930D90N4 rated for?
The rated operational voltage of ATV930D90N4 is 380–480 V AC.
What motor power is ATV930D90N4 rated for?
The rated motor power of ATV930D90N4 is 90 kW.
What is the HS code of ATV930D90N4 for customs?
The tariff (HS) code on file for ATV930D90N4 is 850440.
What is the EAN of ATV930D90N4?
The EAN (GTIN) of ATV930D90N4 is 3606480883415.
Where does ATV930D90N4 ship from, and how fast?
ATV930D90N4 ships from Türkiye. Shipping calculated at checkout · import duties and taxes paid on arrival. Stock items are dispatched within 1–2 business days.
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Series
Schneider Electric ATV930
- Brand
- Schneider Electric
- Series
- ATV930
