This is a 15 kW, 380–480 V three-phase high-performance general-purpose inverter drive from Schneider Electric’s Altivar 71 series. It features a built-in Category A EMC filter, no graphical terminal, and integrated CANopen & Modbus communication. The rated output current is 39 A at 480 V / 48 A at 380 V. It uses flux vector control technology, suitable for precise speed and torque control of fans, pumps, compressori, and complex industrial machinery. Protection class: IP20. Standard mounting: 35 Guida DIN da mm.
- Model Explanation
| Model Part | Descrizione |
| ATV | Product series: Schneider Altivar inverter drives |
| 71 | Series ID: Altivar 71 high-performance general-purpose drive (vs. ATV61 dedicated to fans & pumps) |
| HD | Rating & application: HD = Heavy Duty (15 kW and above), for heavy-duty loads |
| 15 | Rated power: 15 kW (20 HP) |
| N4 | Voltage class: three-phase 380–480 V (-15% A +10%), 50/60 Hz |
| Z | Option code: no graphical terminal, built-in Category A EMC filter, integrated CANopen & ModBus |
- Specifiche principali
Electrical Data
| Item | Valore | Note |
| Rated power | 15 kW (20 HP) | For three-phase asynchronous motors |
| Input voltage | Three-phase 380–480 V | Range: -15% A +10% |
| Input frequency | 50/60 Hz | Range: ±5% |
| Rated output current | 39 UN (480 V) / 48 UN (380 V) | Continuous operational current |
| Output voltage | 0 to input voltage | PWM, three-phase AC |
| Output frequency | 0.1–599 Hz | Adjustable range |
| Switching frequency | 1–16 kHz | Nominal 4 kHz, adjustable for cooling/noise |
| Control method | Flux vector control (with/without sensor) | Open loop 1:100, closed loop 1:1000 |
| Overload capability | 150% rated current for 60 S | For starting and shock loads |
| Efficienza | Approx. 97% | High efficiency, energy-saving design |
Mechanical & Environmental Data
| Item | Valore | Note |
| Protection degree | IP20 | Finger‑safe, suitable for cabinet mounting |
| Mounting | 35 mm DIN rail or screw mounting | Standard industrial mounting |
| Dimensioni (W×H×D) | Approx. 150×380×210 mm | Compatto, space‑saving |
| Peso | Approx. 22 kg | Easy handling and installation |
| Temperatura operativa | -10 °C ~ +40 °C | Derate above 40 °C |
| Storage temperature | -25 °C ~ +70 °C | High‑reliability design |
| Umidità relativa | 5%–95% | Non‑condensing |
| Altitudine | ≤ 1000 m | Derate above 1000 m |
Comunicazione & Interface Data
| Item | Configuration | Note |
| Standard communication | CANopen, Modbus RTU | Built-in |
| Optional communication | Profibus DP, DeviceNet, EtherNet/IP | Via communication cards |
| Digital inputs | 6 configurable | 24 A DC, PNP/NPN selectable |
| Analog inputs | 2 configurable | 0–10 V or 4–20 mA |
| Digital outputs | 2 relay + 2 transistor | Relay rating: 250 V e / 5 UN |
| Analog outputs | 1 | 0–10 V or 4–20 mA |
- Caratteristiche
- High-performance control: flux vector control provides precise speed and torque control. Speed accuracy: ±0.5% open loop, ±0.01% closed loop.
- Energy saving: Built-in ENA (Energy Adaptation) system automatically optimizes V/F pattern and adjusts output according to load; energy savings up to 30%.
- Built-in EMC filter: Category A filter as standard, riduce le interferenze elettromagnetiche, complies with EN 55011.
- Comprehensive protection:
Motor protection: sovracorrente, sovraccarico, overheat, phase loss, locked rotor, earth fault
Drive protection: sovratensione, sottotensione, overheat, short circuit, parameter fault
Mains protection: surge suppression, voltage fluctuation tolerance
- Flexible control functions:
Multi-speed setting (fino a 16 speeds)
PID closed-loop regulation (constant pressure water supply, constant tension control)
Flying Start: smooth start while motor is rotating
Brake unit management: built-in brake unit for fast stopping
- Communication integration: CANopen & Modbus RTU as standard, seamless connection to PLC, HMI, and automation devices.
- Selection Guide
Applicazioni tipiche
Industrial machinery: compressori, trasportatori, mixers, centrifughe
Building services: large fans, pumps, HVAC systems
Material handling: cranes, elevators, trasportatori
Applications requiring precise speed control and high dynamic response
Environments with strict EMC requirements
Selection Principles
- Load matching:
Continuous loads (tifosi, pumps): select 1:1 rated power
Intermittent loads (compressori, cranes): 1.1–1.2 times power margin
Shock loads (crushers, presses): select HD series for 150% sovraccarico
- Voltage and power:
Supply: three-phase 380–480 V
Motor power ≤ 15 kW, current ≤ 39 UN (480 V) / 48 UN (380 V)
For higher power: ATV71HD 22 kW, 30 kW, ecc.
- Control & communication:
Standard configuration for general use
Advanced communication (Profinet, EtherCAT) via option cards
Graphical terminal: models ending in N4 (per esempio., ATV71HD15N4)
- Environment:
Derate 1% per °C above 40 °C
Derate 1% per 100 m above 1000 m
Additional protection for humid or corrosive environments
- Installation Notes
- Pre-installation:
Verify model and inspect physical condition
Confirm input voltage matches mains supply
Prepare 35 mm DIN rail or mounting plate
Ensure sufficient cooling space in cabinet
- Installation procedure:
Mount vertically on 35 Guida DIN da mm
Keep at least 100 mm clearance for cooling
Circuito principale: L1/L2/L3 = input, U/V/W = motor
Circuito di controllo: wire DI/DO/AIO and communication per diagram
Main terminal torque: M6 approx. 8 N·m, cable 16–35 mm²
- Sicurezza:
Isolate and verify voltage-free before work
Separate power and control wiring
Use shielded motor cable (max. 50 m shielded, 100 m unshielded)
Earth resistance ≤ 4 OH
Check motor and protection parameters before power-up
- Messa in servizio & maintenance:
Perform motor auto-tuning at first power-up
Test start/stop, speed adjustment, and protection
Inspect fan and capacitors annually
Keep unit clean and dust‑free
- Modelli alternativi
Same‑series Alternatives
| Modello | Difference | Application |
| ATV71HD15N4 | With graphical terminal | Local setting and monitoring |
| ATV71HU15N4Z | Standard duty (below 15 kW) | Light loads, no heavy‑duty performance |
| ATV71HD22N4Z | 22 kW | Higher power requirements |
| ATV71HD15Y4Z | 525–690 V | High‑voltage mains |
Upgrade Alternatives
| Modello | Aggiornamento | Application |
| ATV930D15N4 | ATV900 series, higher performance | Complex motion control, alta precisione |
| ATV630D15N4 | Fan/pump dedicated | HVAC optimized for energy saving |
| ATV71HD15N4F | Enhanced filter | Stricter EMC requirements |
Budget Alternatives
| Modello | Difference | Application |
| ATV71HU15N4Z | Standard duty, no HD performance | Stable loads, low dynamic response |
| ATV61HD15N4Z | Fan/pump series | Basic fan/pump control, cost‑effective |
The Schneider Electric ATV71HD15N4Z is a high-performance, high-reliability general-purpose inverter drive. With flux vector control, built-in EMC filter, complete protection, and flexible communication, it is an ideal choice for 15 kW applications in industrial automation. Proper selection, installation, and maintenance ensure long‑term reliable operation and deliver precise, efficient, energy‑saving speed control for various machinery.
Standard Selection Procedure for Schneider Inverter Drives
(Industrial general‑purpose, for sales / quotation / design)
- Define Application & Series
General industrial machinery: compressori, trasportatori, mixers → ATV71 series (high performance, high dynamics)
Fans / Pumps / HVAC: air conditioning, water supply, ventilation → ATV61 series (dedicated algorithm, energy saving)
Complex motion control: cranes, elevators, precision machinery → ATV900 series (high‑end, multi‑axis synchronization)
- Determine Load Category
Continuous load (AC‑1): heaters, lighting → 1:1 power selection
Carico del motore (AC‑3): squirrel‑cage motor DOL → motor current ≤ drive rated current
Shock load (AC‑4): crushers, presses → select HD series for 150% sovraccarico
- Calculate Current & Rating
- Read motor nameplate: power / voltage → rated current
- Apply 1.1–1.25 safety margin (inrush, continuous duty)
- Select rated power / current from Schneider catalog
Esempio: 380 V three‑phase 15 kW motor ≈ 30 A → ATV71HD15N4Z (48 UN) is suitable.
- Select Voltage Class
200–240 V single/three‑phase: small equipment
380–480 V three‑phase: industrial standard
525–690 V three‑phase: high‑voltage systems
- Define Control & Comunicazione
- Control method:
General: standard flux vector control
High precision: closed‑loop vector with encoder
- Comunicazione:
Standard: Modbus RTU
Opzionale: CANopen, Profibus DP, EtherNet/IP
- HMI:
No terminal: model ends with Z
Graphical terminal: model ends with N4
- Special Functios
EMC filter: Category A (built‑in) or B (opzionale)
Brake unit: built‑in (standard) or external (high power)
Sicurezza: STO (Safe Torque Off) available
Extended I/O via option cards
- Environment & Mounting
Temperatura > 40 °C, altitude > 1000 m → derate or upsize
Protezione: IP20 for cabinet, IP54+ for outdoor
Mounting: 35 mm DIN rail or screws, vertical for cooling
- Final Check: Modello + Certificates
- Confirm full model: series–power–voltage–option
Esempio: ATV71HD15N4Z
- Verify certificates: CE, UL, CCC, RoHS
- Confirm options: communication card, braking resistor, filter, ecc.
Complete Guide to International Brand Alternatives
for Schneider ATV71HD15N4Z
Executive Summary: For 15 kW 380–480 V three‑phase high‑performance applications, the following international brand alternatives offer flux vector control, built‑in EMC filter, ≥150% overload, and standard communication. They can directly replace the ATV71HD15N4Z in industrial machinery, tifosi, pumps, and material handling.
- ABB Alternative
Recommended Model: ACS580-01-033A-4
Specifiche principali
| Item | Valore | Comparison to ATV71HD15N4Z |
| Rated power | 15 kW (20 HP) | Same |
| Input voltage | Three‑phase 380–480 V (-15% A +10%) | Same |
| Rated output current | 33 UN (HD) | Slightly lower than 39 A/48 A |
| Sovraccarico | 150% for 60 S | Same |
| Control | DTC Direct Torque Control | Better dynamics than flux vector |
| Comunicazione | Modbus RTU standard; Profibus DP, EtherNet/IP optional | Same |
| EMC filter | Built‑in Category A | Same |
| Protezione | IP20 | Same |
| Mounting | Wall / cabinet | Same |
Key advantages: ABB patented DTC; open loop speed range 1:1000, torque response < 10 SM.
Applications: Compressors, trasportatori, mixers requiring high dynamics and precise torque control.
Backup Model: ACS550-01-033A-4
Cost‑effective alternative, simplified functions, suitable for stable loads like fans and pumps.
- Siemens Alternative
Recommended Model: SINAMICS G120C 6SL3210-1KE23-2UF1 (Compatto)
Specifiche principali
| Item | Valore | Comparison to ATV71HD15N4Z |
| Rated power | 15 kW (HD) / 18.5 kW (LO) | Same / higher |
| Input voltage | Three‑phase 380–480 V (+10% A -20%) | Wider range |
| Rated output current | 38 UN (HD) | Almost identical to 39 UN |
| Sovraccarico | 200% for 3 S + 150% for 57 S | Better |
| Control | Sensorless vector control | Same |
| Comunicazione | Profibus DP standard; PROFINET, EtherNet/IP optional | Same |
| EMC filter | Built‑in C3 filter | Better than Category A |
| Protezione | IP20 | Same |
| Mounting | 35 Guida DIN da mm / screws | Same |
Key advantages: Siemens SINAMICS platform, seamless TIA Portal integration, STO built‑in.
Applications: Lines, material handling integrated with Siemens PLC.
Backup Model: SINAMICS G120 6SL3224-0BE31-1UA0 (Modulare)
Modular design, expandable I/O, communication, and safety for complex systems.
- Danfoss Alternative
Recommended Model: VLT AutomationDrive FC302P15KT5E20H2BGXXXXSXXXXAXBXCXXXXDX (131F9966)
Specifiche principali
| Item | Valore | Comparison to ATV71HD15N4Z |
| Rated power | 15 kW (HD) / 18.5 kW (LO) | Same / higher |
| Input voltage | Three‑phase 380–500 V | Wider range |
| Rated output current | 32 UN (HD) / 37.5 UN (LO) | Slightly lower |
| Sovraccarico | 160% for 60 S (ogni 10 min) | Better |
| Control | Sensorless vector control | Same |
| Comunicazione | Modbus RTU / CANopen standard; Profibus DP, EtherNet/IP optional | Same |
| EMC filter | Built‑in C3 filter | Better than Category A |
| Protezione | IP20 | Same |
| Mounting | Wall mounting, back‑channel cooling | 30% space saving |
Key advantages: Patented back‑channel cooling, compact, low noise ≤ 65 dB.
Applications: HVAC fans, pumps, and noise‑sensitive industrial machines.
- Rockwell Automation (Allen‑Bradley) Alternative
Recommended Model: PowerFlex 755 20G1ANC302JA0NNNNN
Specifiche principali
| Item | Valore | Comparison to ATV71HD15N4Z |
| Rated power | 15 kW (20 HP) | Same |
| Input voltage | Three‑phase 380–480 V (±10%) | Same |
| Rated output current | 32 UN (HD) | Slightly lower |
| Sovraccarico | 150% for 60 S | Same |
| Control | TotalForce sensorless vector | Same |
| Comunicazione | EtherNet/IP standard; Profibus DP, DeviceNet optional | Advanced Ethernet |
| EMC filter | Built‑in | Same |
| Protezione | IP20 | Same |
| Mounting | Wall / cabinet | Same |
Key advantages: TotalForce platform, seamless Logix integration, advanced diagnostics.
Applications: North American equipment, automotive lines, macchine per l'imballaggio.
Backup Model: PowerFlex 525 25B-D030N114
Compatto, cost‑effective for space‑limited general applications.
- Other International Brands
Eaton: SVX9000-4T0032
Specs: 15 kW, 380–480 V, 32 UN, 150%/60 S, built‑in EMC, IP20, Modbus/CANopen.
Use: High‑reliability applications: cranes, compressori.
Vacon: NXC0320T4H0SSSA1A2
Specs: 15 kW, 380–480 V, 32 UN, 150%/60 S, sensorless vector, built‑in EMC, IP20.
Use: General industrial machinery, multi‑PLC systems.
- Replacement Selection Guide
| Requisito | Recommended Model | Motivo |
| High dynamics / precise torque | ABB ACS580-01-033A-4 | DTC, fast response |
| Siemens system integration | Siemens G120C / G120 | TIA Portal, STO built‑in |
| Low noise / space saving | Danfoss FC302 | Back‑channel cooling, compact |
| Rockwell system integration | PowerFlex 755 | TotalForce, Logix compatible |
| Cost‑effective general use | ABB ACS550 / PowerFlex 525 | Simplified, economical |
| Wide voltage fluctuation | Siemens G120C | +10% A -20% tolerance |
All international alternatives meet the performance requirements for 15 kW three‑phase applications. Each brand offers strengths in control, integration, cooling, and features. Selection should prioritize system compatibility, tipo di carico, environment, and budget to ensure plug‑and‑play replacement.
All recommended models include a built‑in EMC filter, standard communication, and full protection, allowing direct replacement of the ATV71HD15N4Z without extra basic components.
Contattore,interruttore automatico,inverter solare,contatore elettrico,batterie solari





















NH42-63-318x560.png)



