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ATV71HD37N4Z

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The Schneider Electric ATV71HD37N4Z is a 37 kW / 50 HP high-power vector drive from the Altivar 71 series, designed for complex, high-torque industrial machinery.
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Technical specifications for ATV71HD37N4Z

  • Manufacturer:
    Schneider Electric
  • Part Number:
    ATV71HD37N4Z
  • Product Family:
    Altivar Process
  • Product Type:
    Variable Speed Drive
  • Apparent Power:
    55.3 kVA @ 380V
  • Line Current:
    84A @ 380V / 69A @ 480V
  • Nominal Output Current:
    79A @ 380V / 65A @ 460V (2.5 kHz)
  • Maximum Transient Current:
    130A for 2s / 118.5A for 60s
  • Output Frequency Range:
    0.1…599 Hz
  • Switching Frequency:
    1…16 kHz (2.5…16 kHz with derating)
  • Control Modes:
    FVC with sensor, SFVC, V/F ratio (2 or 5 points), ENA
  • Speed Range (Open/Closed Loop):
    1…100 / 1…1000
  • Torque Accuracy:
    ±15% (open loop) / ±5% (closed loop)
  • Discrete Outputs:
    2 relay outputs
  • Protection Rating:
    IP20 (upper part) – upgradeable to IP21/IP41/IP54
  • Ambient Temp (Operation):
    -10…50°C (no derating)
  • 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 Applications Monitoring & Control Compatibility & Interoperability

Features:

  • Extreme Overload & Torque Capability
  • Open & Closed Loop Vector Control Flexibility
  • Harsh Environment Ready with Integrated EMC
The Schneider Electric ATV71HD37N4Z delivers 220% nominal torque for 2 seconds and 170% for 60 seconds, handling sudden load spikes without tripping. This makes it perfect for high-inertia starts, crushers, and lifting applications where momentary overloads are routine.

The Schneider Electric ATV71HD37N4Z supports both sensorless flux vector control (SFVC) and closed-loop FVC with encoder feedback. You can achieve ±0.01% speed accuracy in closed-loop mode, or operate economically in open-loop mode while still maintaining full torque at zero speed.

The Schneider Electric ATV71HD37N4Z operates reliably from -10°C to 50°C, withstands 15g shocks, and includes a built-in EMC filter compliant with EN 61800-3 C3. This reduces panel space, installation cost, and electromagnetic interference risks in factories and heavy industrial sites.

The ATV71HD37N4Z Schneider Electric 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 ATV71HD37N4Z 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 ATV71HD37N4Z Variable Speed Driv

General

  • Manufacturer Schneider Electric
  • Model ATV71HD37N4Z
  • 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.
  • Heavy Lifting & Hoisting – The Schneider Electric ATV71HD37N4Z delivers full torque at zero speed with 220% overload capacity, making it the standard choice for overhead cranes, winches, and elevator drives where load holding is critical.
  • High-Inertia Machinery – From centrifuges to mixers and extruders, the Schneider Electric ATV71HD37N4Z handles high-inertia starts and stops with precision braking control (up to 150% torque with braking resistor).
  • Material Handling Systems – The drive provides smooth acceleration/deceleration curves and precise speed regulation, ideal for long conveyors, automated warehouses, and baggage handling systems requiring coordinated multi-drive operation.
  • Specialized Heavy Industry – Steel mills, mining conveyors, and paper machines benefit from the Schneider Electric ATV71HD37N4Z’s rugged environmental ratings (50°C ambient, 15g shock) and built-in EMC filter for electrically noisy environments.
  • Real-Time Process Tuning – The Schneider Electric ATV71HD37N4Z includes a configurable PI regulator, allowing closed-loop control of pressure, flow, or tension without an external PLC, reducing system complexity.
  • Multi-Parameter Feedback – With two analogue inputs (one differential ±10V, one configurable 0-20mA/0-10V) and one analogue output, the Schneider Electric ATV71HD37N4Z can monitor and retransmit speed, current, torque, or user-defined variables.
  • Fast Fault Response – Relay outputs (R1, R2) can be programmed to trigger external alarms or safety circuits. The Schneider Electric ATV71HD37N4Z also includes STO (Safe Torque Off) response time ≤100ms for integrated safety functions.
  • Local Diagnostics – While supplied without a graphic terminal, the Schneider Electric ATV71HD37N4Z features a red LED for drive power presence and can be fully monitored via serial communication (Modbus/CANopen) using any PC or HMI.
  • Universal Motor Support – The Schneider Electric ATV71HD37N4Z drives both standard asynchronous motors and high-efficiency permanent magnet synchronous motors (PMSM), enabling easy retrofit of older systems or new energy-optimized installations.
  • Open Fieldbus Architecture – Standard Modbus and CANopen ensure immediate communication with most PLCs (Schneider Electric, Siemens, Allen-Bradley via gateway). Optional Profibus DP, DeviceNet, or Ethernet/IP cards provide drop-in compatibility for existing networks.
  • Global Electrical Compliance – Rated for 380…480V AC (±10%) at 50/60Hz, the Schneider Electric ATV71HD37N4Z operates worldwide without reconfiguration. UL, CSA, and NOM 117 certifications simplify machine export to North America and Mexico.
  • Accessory Ecosystem – The drive accepts a range of plug-in options: encoder interface cards (for closed-loop speed control), brake resistors (for high-duty cycle stopping), and graphic display terminals (for local programming), all designed for tool-free mounting.
Description
The Schneider Electric ATV71HD37N4Z is engineered for demanding applications requiring exceptional torque and speed accuracy. With a rated power of 37 kW and an input voltage range of 380…480V AC (three-phase), this drive provides up to 79A nominal output current. Its Flux Vector Control (FVC) technology, with or without a sensor, enables full torque at zero speed, making it the ideal choice for hoisting, lifting, and high-inertia loads.

Designed to perform in the harshest industrial settings, the Schneider Electric ATV71HD37N4Z operates reliably at ambient temperatures up to 50°C without derating. It integrates an internal EMC filter compliant with EN 61800-3 C3 environments, simplifying system compliance. With IP20 protection (upgradeable to IP21/IP41/IP54), it withstands vibration (1.5mm peak-to-peak) and shock (15g), ensuring continuous uptime in factories, mills, and material handling systems.

The Schneider Electric ATV71HD37N4Z comes standard with Modbus and CANopen communication protocols, with fieldbus options via plug-in cards (Profibus DP, DeviceNet, Ethernet/IP, Modbus TCP). This flexibility ensures seamless integration into new or existing automation architectures. As part of Schneider Electric’s Green Premium program, this drive is RoHS compliant, supporting your sustainability goals while maintaining high performance.

Alternative Names
ATV7IHD37N4Z ATV630U15N4 ATV71HU40N4Z ATV71HU55N4Z ATV312HU40N ATV930D15N4 ATV930D18N4  ATV320U30N4C
Technical notes
The Schneider Electric ATV71HD37N4Z requires no external EMC filter for most installations and supports motor cable lengths up to 100m shielded (200m unshielded).
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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.
Does the Schneider Electric ATV71HD37N4Z require an external EMC filter?
No. The Schneider Electric ATV71HD37N4Z has an integrated EMC filter compliant with EN 61800-3 environment C3. For most industrial installations, no external filter is needed, significantly reducing panel space and installation cost.
Can the Schneider Electric ATV71HD37N4Z operate a synchronous motor?
Yes. The Schneider Electric ATV71HD37N4Z supports both asynchronous (induction) motors and permanent magnet synchronous motors (PMSM) in open-loop mode, with speed regulation range of 1…50 for synchronous motors, allowing energy-efficient retrofits.
Is the Schneider Electric ATV71HD37N4Z compliant with global safety and environmental standards?
Absolutely. The Schneider Electric ATV71HD37N4Z carries UL, CSA, NOM 117, and C-Tick certifications. It complies with EN/IEC 61800-5-1 (safety) and EN 61800-3 (EMC), and is a Green Premium product, fully RoHS compliant.
Does the Schneider Electric ATV71HD37N4Z include a display for monitoring?
This specific variant (ATV71HD37N4Z) is supplied without a remote graphic terminal. However, you can connect an optional graphic display terminal (VW3A1101) for real-time monitoring, parameter adjustment, and fault diagnostics.

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