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ATV71HD55N4Z

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Schneider Electric ATV71HD55N4Z is a vector drive designed for complex, high-power machinery, delivering 55kW of precise motor control with integrated EMC filtering and robust overload capacity.
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Technical specifications for ATV71HD55N4Z

  • Manufacturer:
    Schneider Electric
  • Part Number:
    ATV71HD55N4Z
  • Product Family:
    Altivar Process
  • Product Type:
    Variable Speed Drive
  • EMC filter:
    Integrated
  • Assembly style:
    With heat sink
  • Variant:
    Without remote graphic terminal
  • Apparent power:
    79 kVA at 380 V 3 phases 55 kW / 75 hp
  • Prospective line Isc:
    <= 22 kA, 3 phases
  • Speed drive output frequency:
    0.1...500 Hz
  • Nominal switching frequency:
    2.5 kHz
  • Power supply voltage limits:
    323...528 V
  • Power supply frequency:
    50...60 Hz (- 5...5 %)
  • Power supply frequency limits:
    47.5...63 Hz
  • Weight:
    3.2 kg
  • Estimated shipping dimensions:
    14.4x20.2x29.5cm
  • Tariff Code:
    8537101190
  • Country of origin:
    France
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications Environmental Ratings Monitoring & Control Applications

Features:

  • High Overload Capacity for Heavy-Duty Applications
  • Integrated Safety Function "Power Removal" (STO)
  • Dual Communication Ports with Expandable Options
Schneider Electric ATV71HD55N4Z delivers 220% rated torque for 2 seconds and 170% for 60 seconds, making it ideal for high-inertia loads such as cranes, hoists, and extruders. This transient overtorque capability ensures stable operation during sudden load spikes, reducing unexpected downtime and mechanical stress on driven equipment.

The Schneider Electric ATV71HD55N4Z includes a dedicated safety input (PWR terminal) that implements a Safe Torque Off function compliant with EN 954-1 Category 3 and IEC/EN 61508 SIL2. This allows the drive to be directly integrated into safety circuits without external contactors, simplifying machine design and reducing panel wiring costs while meeting global machinery safety standards.

Standard with Modbus and CANopen, the Schneider Electric ATV71HD55N4Z also accepts optional communication cards including Profibus DP, Ethernet/IP, DeviceNet, and the "Controller Inside" programmable card. This flexibility enables seamless integration into mixed PLC environments (Siemens, Rockwell, Schneider) and supports future migration to Industrie 4.0 architectures without hardware replacement.

The ATV71HD55N4Z Schneider Electric Altivar 71 Series Variable Speed Drive may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Schneider Electric ATV71HD55N4Z Altivar 71 Series Variable Speed Drive Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
Schneider Electric ATV71HD55N4Z Altivar 71 Series Variable Speed Drive

General

  • Manufacturer Schneider Electric
  • Model ATV71HD55N4Z
  • Condition New Original ready stock
  • Product Family ATV71HD37N4Z ,ATV71HU40N4Z,ATV71HU55N4Z
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • Temperature Range Without Derating: The Schneider Electric ATV71HD55N4Z operates at full rated current from -10°C to 50°C (14°F to 122°F). For ambient temperatures up to 60°C, a control card fan kit is mandatory, with current derating of 2.2% per °C above 50°C.
  • Altitude Adaptation: At altitudes from 1000m to 3000m, the drive requires a 1% current derating per additional 100m due to reduced air cooling efficiency. Above 3000m, use an external forced ventilation cabinet. The dielectric withstand voltage is factory-tested at 3535V DC between earth and power terminals, safe up to 4800m.
  • Humidity & Condensation Resistance: With a relative humidity tolerance of 5…95% (non-condensing), the Schneider Electric ATV71HD55N4Z is suitable for humid environments such as textile mills or food processing. For applications with condensation risk, the IP54 mounting kit or enclosure heating is recommended.
  • Vibration & Shock Resilience: Certified to IEC 60068-2-6 (1.5mm peak-to-peak, 1gn) and IEC 60068-2-27 (15gn shock), this drive withstands typical industrial vibration from stamping presses or mining conveyors without loosening terminals or degrading performance.
  • Real-Time Torque & Current Logging: The Schneider Electric ATV71HD55N4Z provides analog output A01 (0-10V or 0-20mA) configurable to reflect motor current, torque, or power. This allows external PLCs or panel meters to monitor process load without additional sensors.
  • Diagnostic Fault Log with Time Stamps: Up to 8 recent faults are stored in non-volatile memory with elapsed time stamps. Parameters FLT-1 through FLT-8 can be read via the display or Modbus, enabling root-cause analysis for intermittent issues like overvoltage or phase loss.
  • Embedded PI Regulator for Process Control: The drive includes a configurable PI loop (parameter PIP group) that can directly regulate pressure, flow, or level using sensor feedback on analog input AI2. No external controller is needed for closed-loop pump or fan applications.
  • Remote Monitoring via Modbus/CANopen: All operational parameters (speed, current, voltage, temperature) are accessible as Modbus registers or CANopen objects. A master PLC can read drive status every 10ms, while the "Controller Inside" option card allows custom condition monitoring scripts (e.g., bearing wear detection via speed ripple analysis).
  • Heavy Lifting & Hoisting: The Schneider Electric ATV71HD55N4Z excels in overhead cranes, winches, and elevators where controlled starting/stopping and holding torque are critical. Its 220% overload capacity ensures safe handling of sudden load changes.
  • High-Inertia Machinery: Centrifuges, decanters, and mixers benefit from the drive's flux vector control, which maintains speed regulation even with varying material loads. The built-in braking transistor (up to 150% with resistor) handles regenerative energy efficiently.
  • Material Handling & Conveyors: Complex conveyor systems with multiple zones benefit from the CANopen interface, enabling synchronized speed profiles. The integrated PI regulator can directly control pressure or flow using external sensor feedback.
  • Pump & Fan Control: In HVAC and pumping stations, the drive's energy adaptation (ENA) system optimizes efficiency by reducing magnetic flux at light loads, cutting energy use by up to 30% compared to fixed V/F control.
Description
Schneider Electric ATV71HD55N4Z belongs to the Altivar 71 series, engineered specifically for demanding industrial applications requiring exceptional torque and speed accuracy. With a power rating of 55kW (75HP) at 380-480V three-phase input, this drive supports both asynchronous and synchronous motors, making it a versatile choice for modern automation systems. Its integrated EMC filter simplifies panel design and reduces installation costs, while the built-in Modbus and CANopen communication ports ensure seamless integration into existing control architectures.

The drive features flux vector control modes – both sensorless and with encoder feedback – enabling high-precision regulation down to ±0.01% speed accuracy in closed-loop operation. Transient overtorque capabilities of 220% for 2 seconds make Schneider Electric ATV71HD55N4Z ideal for high-inertia loads, hoisting, and lifting applications. Additionally, the "Power Removal" safety function (Safe Torque Off) complies with EN 954-1 Category 3 and IEC/EN 61508 SIL2, allowing safe machine integration without external contactors.

Designed for harsh environments, Schneider Electric ATV71HD55N4Z operates reliably from -10°C to 50°C without derating, with optional IP54 enclosure mounting for dusty or humid conditions. Its compact wall-mount form factor (630x320x290mm, 44kg) includes a heat sink design that supports multiple mounting configurations (Type A/B/C), ensuring flexibility in panel layout. With support for optional communication cards (Profibus DP, Ethernet/IP, DeviceNet, and controller inside programmable cards), this drive adapts to evolving factory automation needs while maintaining backward compatibility with legacy Altivar systems.
Alternative Names
ATV7IHD55N4Z ATV71HD37N4Z ATV71HU40N4Z ATV71HU55N4Z ATV71H075N4Z ATV71HC13N4 ATV71HD30N4 ATV71HD45N4Z
Technical notes
The Schneider Electric ATV71HD55N4Z employs advanced flux vector control with autotuning, delivering up to 220% torque for 2 seconds; its "Power Removal" safety input (PWR terminal) meets SIL2 and PL d standards, enabling direct integration into safety circuits without external isolating devices.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What communication protocols does Schneider Electric ATV71HD55N4Z support natively, and which are available via option cards?
The Schneider Electric ATV71HD55N4Z comes standard with Modbus (RJ45) and CANopen (SUB-D 9) ports. Optional plug-in cards add support for Profibus DP, Ethernet/IP, DeviceNet, Modbus TCP, Interbus-S, Fipio, and CC-Link. A "Controller Inside" programmable card is also available for custom logic execution directly on the drive.
Can Schneider Electric ATV71HD55N4Z be integrated with a Siemens PLC or Rockwell system?
Yes. The Schneider Electric ATV71HD55N4Z communicates via Modbus RTU or CANopen natively. For deeper integration, optional Profibus DP (for Siemens) or Ethernet/IP (for Rockwell) cards provide full cyclic I/O and parameter access. Parameter mapping is compatible with generic profile DS402, allowing standard function blocks in TIA Portal or Studio 5000.
What is the maximum output frequency of Schneider Electric ATV71HD55N4Z, and can it run high-speed spindles?
The Schneider Electric ATV71HD55N4Z offers an output frequency range of 0.1…500 Hz, making it suitable for high-speed machining applications such as CNC spindles or centrifugal separators. Note that above 200 Hz, motor magnetic losses increase – derating may apply per motor manufacturer guidelines.
What environmental limits apply to Schneider Electric ATV71HD55N4Z for outdoor or dusty installations?
The Schneider Electric ATV71HD55N4Z is rated IP20 (top) and requires installation inside a dust-tight enclosure for outdoor or dirty environments. With an IP54 mounting kit (optional), the lower part achieves IP54 protection. Operating ambient temperature range is -10…50°C without derating; above 50°C, a control card fan kit is required, with current derating of 2.2% per °C up to 60°C max.
Is Schneider Electric ATV71HD55N4Z RoHS and REACH compliant for export to Europe?
Yes. The Schneider Electric ATV71HD55N4Z is a Green Premium product, fully RoHS compliant (since date code 0946) and REACH compliant, with declaration available on Schneider Electric's website. An Environmental Product Profile (PEP) and End-of-Life instructions are downloadable, supporting EU Eco-design requirements.

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