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ATV71HU55N4Z

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Schneider Electric ATV71HU55N4Z is a 5.5kW / 7.5HP high-performance variable speed drive from the Altivar 71 series, designed for complex constant torque applications requiring precise motor control.
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Technical specifications for ATV71HU55N4Z

  • Manufacturer:
    Schneider Electric
  • Part Number:
    ATV71HU55N4Z
  • Product Family:
    Altivar Process
  • Product Type:
    Variable Speed Drive
  • Motor Power:
    5.5 kW / 7.5 HP
  • Supply Voltage:
    380…480 V (-15%…+10%), 3 Phase
  • Output Current:
    14.3 A at 380V / 11 A at 460V
  • Output Frequency:
    0.1…599 Hz (programmable to 1600 Hz)
  • Switching Frequency:
    1…16 kHz (4 kHz nominal)
  • Transient Overtorque:
    170% for 60 seconds / 220% for 2 seconds
  • EMC Filter:
    Integrated Class A
  • Protection Rating:
    IP20 (upgradeable to IP21, IP41, IP54)
  • Ambient Temperature:
    -10…+50°C (operation, no derating)
  • Storage Temperature:
    -25…+70°C
  • Relative Humidity:
    5…95% without condensation
  • Weight:
    5.5 kg
  • Estimated shipping dimensions:
    17.8x 17.8x 30.5cm
  • 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 Performance & Efficiency Environmental Ratings Applications

Features:

  • Heavy-Duty Overtorque Capacity for Demanding Applications
  • Integrated EMC Filter for Simplified Installation
  • Flexible Motor Control with Multiple Profiles
Schneider Electric ATV71HU55N4Z delivers 170% of nominal torque for 60 seconds and 220% for 2 seconds, ensuring reliable operation during sudden load spikes or high-inertia starts. This capability is critical for applications like cranes, elevators, and conveyors where momentary overloads are common.

With a built-in Class A EMC filter, Schneider Electric ATV71HU55N4Z meets EN 55011 Class A Group 2 and EN 61800-3 standards without requiring external filtering components. This reduces panel space requirements, lowers installation costs, and simplifies compliance with electromagnetic compatibility regulations.

Schneider Electric ATV71HU55N4Z supports five control modes including sensorless flux vector control and flux vector control with encoder feedback. This flexibility allows the same drive to optimize performance for different motor types (synchronous/asynchronous) and application requirements, from simple V/F control for pumps to high-precision torque control for hoisting.

The ATV71HU55N4Z Schneider Electric Altivar 71 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 ATV71HU55N4Z Altivar 71 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 ATV71HU55N4Z Altivar 71 Variable Speed Drive

General

  • Manufacturer Schneider Electric
  • Model ATV71HU55N4Z
  • Condition New Original ready stock
  • Product Family ATV930D18N4 ,ATV320U30N4C ,ATV71H075N4Z
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.
  • Precision Speed Regulation – Schneider Electric ATV71HU55N4Z achieves ±0.01% speed accuracy in closed-loop mode with encoder feedback, ensuring consistent process output even under varying load conditions. For open-loop applications, slip compensation automatically adjusts output frequency to maintain target speed within ±10% of nominal slip.
  • Energy Optimization for Unbalanced Loads – The ENA (Energy Adaptation) system in Schneider Electric ATV71HU55N4Z continuously adjusts motor flux based on real-time load requirements, reducing energy consumption by up to 30% compared to fixed V/F control during partial load operation.
  • Extended Speed Range – Open-loop asynchronous motor operation with Schneider Electric ATV71HU55N4Z covers a 1:100 speed range, while closed-loop operation with encoder feedback extends to 1:1000. This wide range enables precise low-speed control down to 0.1 Hz without cogging.
  • Adjustable Switching Frequency – Users can tune the switching frequency of Schneider Electric ATV71HU55N4Z from 1 to 16 kHz to balance audible noise reduction and electromagnetic emissions. Higher frequencies reduce motor noise at the cost of increased drive losses and derating requirements above 4 kHz.
  • Broad Temperature Operation – Schneider Electric ATV71HU55N4Z functions continuously from -10°C to +50°C (14°F to 122°F) without performance derating, with storage capability from -25°C to +70°C (-13°F to 158°F) for inventory flexibility.
  • Contaminant Resistance – Certified to IEC 60721-3-3 Class 3C1 (chemical gases) and Class 3S2 (suspended particulates), Schneider Electric ATV71HU55N4Z withstands industrial environments containing low levels of corrosive gases and non-conductive dust without additional protection.
  • Multiple Protection Ratings – Base configuration of Schneider Electric ATV71HU55N4Z is IP20 (finger-safe protection for control panel installation). Optional kits upgrade protection to IP21 (drip-proof), IP41 (tool-safe with vertical drip protection), or IP54 (dust-protected with splash resistance).
  • Altitude Tolerance – Standard operation of Schneider Electric ATV71HU55N4Z is certified up to 1000 meters (3280 feet) at full rating. For installations up to 3000 meters (9842 feet), linear current derating of 1% per 100 meters ensures continued reliable operation in high-altitude facilities.
  • Lifting and Hoisting Equipment – The 220% overtorgue capacity of Schneider Electric ATV71HU55N4Z ensures safe, controlled starts and stops for overhead cranes, hoists, and elevators. Precise speed control at zero speed with holding torque eliminates load drifting during operation.
  • Material Handling and Conveyor Systems – Consistent torque delivery across the entire speed range makes Schneider Electric ATV71HU55N4Z ideal for baggage handling, warehouse conveyors, and assembly lines where product flow must remain steady regardless of load variation.
  • Packaging and Textile Machinery – High dynamic response and 16 preset speeds enable Schneider Electric ATV71HU55N4Z to handle rapid production changes in packaging lines and textile manufacturing, where acceleration/deceleration profiles must synchronize with upstream and downstream equipment.
  • High-Inertia Machinery – Centrifuges, mixers, and extractors with significant rotational mass benefit from the controlled deceleration ramps and braking capabilities of Schneider Electric ATV71HU55N4Z, preventing mechanical stress and process disruption during stops.
Description
Schneider Electric ATV71HU55N4Z is built to handle the toughest industrial challenges with its rugged design and advanced motor control algorithms. The drive supports multiple control profiles including voltage/frequency ratio, sensorless flux vector control, and flux vector control with encoder feedback, giving engineers the flexibility to optimize performance for any application . With an output frequency range of 0.1 to 599 Hz (programmable up to 1600 Hz) and switching frequencies from 1 to 16 kHz, this drive adapts to diverse operational requirements while maintaining energy efficiency.

The Schneider Electric ATV71HU55N4Z includes a built-in Class A EMC filter, eliminating the need for external filtering in most installations and reducing overall system costs . Its communication capabilities are robust, featuring Modbus and CANopen protocols as standard, allowing seamless integration into existing automation networks without additional hardware . The drive also offers 16 preset speeds and over 150 configurable functions, providing extensive application flexibility.

Engineered for reliability, Schneider Electric ATV71HU55N4Z operates in ambient temperatures from -10°C to +50°C without derating and can function at altitudes up to 1000 meters normally, with linear derating up to 3000 meters . The IP20 enclosure design supports multiple protection upgrades (IP21, IP41, IP54) depending on installation requirements, ensuring suitability for various environmental conditions.
Alternative Names
ATV7IHU55N4Z ATV630U15N4  ATV71HD37N4Z  ATV71HU40N4Z ATV312HU40N ATV930D15N4 ATV930D18N4 ATV71HD55N4Z
Technical notes
Schneider Electric ATV71HU55N4Z requires proper cable selection for optimal performance: unshielded motor cables up to 100 meters or shielded cables up to 50 meters are recommended to minimize electromagnetic interference . This variant is supplied without a graphic terminal (indicated by the "Z" suffix), making it ideal for applications where the drive is configured via software or an external HMI device.
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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 safety and compliance certifications does the Schneider Electric ATV71HU55N4Z hold?
The Schneider Electric ATV71HU55N4Z is fully certified for global deployment, holding UL, CSA, GOST, NOM 117, and C-Tick certifications. It complies with EN/IEC 61800-3 (EMC), EN/IEC 61800-5-1 (safety), and includes Safe Torque Off (STO) functionality meeting ISO 13849-1 level d requirements.
What communication protocols are supported by the Schneider Electric ATV71HU55N4Z?
The Schneider Electric ATV71HU55N4Z comes standard with Modbus (RS485, RJ45 connector) and CANopen (SUB-D 9 on RJ45). No additional communication cards are required for basic integration into these networks.
How does the Schneider Electric ATV71HU55N4Z handle braking and stopping?
The Schneider Electric ATV71HU55N4Z provides multiple braking options: DC injection braking (30% torque without resistor) and dynamic braking with an external resistor (up to 150% torque). The drive also features automatic ramp adaptation when braking capacity is exceeded, preventing DC bus overvoltage faults.
Does the Schneider Electric ATV71HU55N4Z include an operator display panel?
No, the Schneider Electric ATV71HU55N4Z is the "Z" suffix variant, which means it is supplied without a graphic terminal. The standard version (ATV71HU55N4) includes a display panel. For this model, you will need to configure parameters via PC software, an external HMI, or the communication ports.

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