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ATV71HD55N4

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Schneider Electric ATV71HD55N4 is a variable speed drive from the Altivar 71 range, delivering precise motor control for 55 kW (75 hp) 3-phase systems.
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Technical specifications for ATV71HD55N4

  • Manufacturer:
    Schneider Electric
  • Part Number:
    ATV71HD55N4
  • Product Family:
    Altivar Process
  • Product Type:
    Variable Speed Drive
  • Range of Product:
    Altivar 71
  • Motor power kW:
    55 kW, 3 phase 380...480 V
  • Maximum Horse Power Rating:
    75 hp, 3 phase 380...480 V
  • Maximum motor cable length:
    328.08 ft (100 m) shielded cable, 656.2 ft (200 m) unshielded cable
  • power supply voltage:
    380...480 V - 15...10 %
  • Phase:
    3 phase
  • Line current:
    101 A 480 V 3 phase 55 kW / 75 hp, 120 A 380 V 3 phase 55 kW / 75 hp
  • EMC filter:
    Integrated
  • Assembly style:
    With heat sink
  • Apparent power:
    79 kVA 380 V 3 phase 55 kW / 75 hp
  • Prospective line Isc:
    22 kA 3 phase
  • Nominal output current:
    116 A 2.5 kHz 380 V 3 phase 55 kW / 75 hp, 96 A 2.5 kHz 460 V 3 phase 55 kW / 75 hp
  • Maximum transient current:
    174 A 60 s 3 phase 55 kW / 75 hp, 191 A 2 s 3 phase 55 kW / 75 hp
  • Output frequency:
    0.1…500 Hz
  • Nominal switching frequency:
    2.5 kHz
  • Switching frequency:
    1...16 kHz adjustable, 2.5...16 kHz with derating factor
  • power supply voltage limits:
    323…528 V
  • power supply frequency:
    50...60 Hz - 5...5 %
  • power supply frequency limits:
    47.5...63 Hz
  • diagnostic:
    1 LED (red) for drive voltage
  • Output voltage:
    <= power supply voltage
  • Minimum switching current:
    3 mA 24 V DC configurable relay logic
  • Insulation resistance:
    > 1 mOhm 500 V DC for 1 minute to earth
  • Ambient air temperature for operation:
    14…122 °F (-10…50 °C) (without derating)
  • Weight:
    44 kg
  • Estimated shipping dimensions:
    32x63x29cm
  • 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 Environment Use Cases Efficiency

Features:

  • Strong overload and transient current capability supports stable operation in high-inertia and heavy-load applications
  • Flexible switching frequency adjustment enables a balance between energy efficiency and reduced motor noise
  • Integrated EMC filter and robust design improve system stability in complex industrial environments
Schneider Electric ATV71HD55N4 is widely applied in industries where high-power motor control plays a central role in maintaining production efficiency. Systems such as large conveyors, ventilation units, and pumping stations require precise and stable speed regulation to ensure consistent output. The drive operates reliably within typical industrial voltage ranges and handles demanding electrical conditions with ease. Its performance characteristics support continuous operation in environments where downtime can lead to significant losses. As a result, it becomes a practical choice for heavy-duty automation systems.

In terms of functionality, ATV71HD55N4 offers a balanced combination of control flexibility and operational performance. The adjustable switching frequency allows adaptation to different motor behaviors and installation conditions. A wide output frequency range supports both low-speed precision and high-speed operation. Extended motor cable length capability simplifies equipment layout, especially in large-scale facilities. These features provide engineers with more freedom when designing or upgrading industrial systems.

From a lifecycle perspective, ATV71HD55N4 contributes to improved reliability and easier maintenance. Integrated EMC filtering helps minimize electromagnetic interference, enhancing overall system stability. Built-in diagnostic indication supports quick fault identification and reduces troubleshooting time. The drive is designed to operate within a broad temperature range, making it suitable for various industrial environments. Combined with solid insulation performance, these characteristics help extend equipment service life and maintain consistent operation over time.

The ATV71HD55N4 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 ATV71HD55N4 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 ATV71HD55N4 Variable Speed Drive Specs

General

  • Manufacturer Schneider Electric
  • Model ATV71HD55N4
  • Condition New Original ready stock
  • Product Family ATV71HD45N4,ATV71HD22N4Z,ATV71HC25N4
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.
  • Ambient Temperature: Can operate continuously without derating between -10°C and 50°C.
  • Protection Rating: Standard configuration has IP20 protection, suitable for installation in standard control cabinets.
  • Shock Resistance: Complies with IEC 60068-2-6 standard, possessing high-strength industrial vibration resistance.
  • Altitude Adaptability: No derating below 1000 meters; 1% derating per 100 meters in high-altitude areas.
  • Lifting Machinery: Used in the lifting mechanisms of cranes, hooks, and other equipment, providing high starting torque.
  • Material conveying: Commonly used in long-distance belt conveyors, enabling smooth soft starts and stops.
  • Mixing and agitating: Suitable for heavy-duty mixers in the chemical industry, ensuring high torque output at low speeds.
  • Large fans: Used in high-power exhaust systems in factories, achieving precise airflow regulation through frequency conversion.
  • Rated Efficiency: Up to 98% efficiency under full load operation.
  • Energy Saving Mode: Built-in optimized energy-saving control algorithm dynamically reduces power consumption under low load.
  • Low Standby Loss: Extremely low standby power consumption in the control circuit when the inverter stops outputting.
  • Thermal Management: Employs a high-efficiency cooling fan design, significantly reducing heat accumulation inside the unit.
Description
Schneider Electric ATV71HD55N4 is designed to provide high-performance speed control for 3-phase motors operating within a voltage range of 380…480 V. With a motor power rating of 55 kW (75 hp), the drive is well suited for heavy industrial applications requiring stable and efficient motor operation. It accommodates supply voltage variations from 323 to 528 V and operates within a frequency range of 50…60 Hz, ensuring compatibility with different power systems.

Electrical performance of ATV71HD55N4 is defined by its nominal output current of 116 A at 380 V and 96 A at 460 V, both measured at a switching frequency of 2.5 kHz. The drive supports adjustable switching frequency from 1 to 16 kHz, allowing optimization based on thermal and acoustic requirements. It also handles high transient currents up to 174 A for 60 seconds and 191 A for short durations, ensuring reliable operation during load fluctuations.

Flexibility in installation and system integration is supported by features such as integrated EMC filtering and a heat sink assembly design. ATV71HD55N4 allows motor cable lengths up to 100 m with shielded cables and 200 m with unshielded cables, offering adaptability for various installation layouts. The drive includes a diagnostic LED indicator for voltage status, simplifying monitoring and maintenance tasks in industrial environments.

From an operational standpoint, ATV71HD55N4 delivers output frequency from 0.1 to 500 Hz, enabling precise speed control across a wide range of applications. The unit ensures safe operation with insulation between power and control circuits and insulation resistance greater than 1 MOhm. It operates reliably in ambient temperatures from -10 to 50 °C without derating, while storage conditions range from -25 to 70 °C, supporting durability across demanding industrial conditions.
Alternative Names
ATV7IHD55N4 ATV71HD30N4Z ATV71HD75N4Z ATV71HD15N4Z ATV71HD11N4 ATV71HC25N4  ATV71HD22N4Z ATV71HD22N4
Technical notes
The Schneider Electric ATV71HD55N4 is a high-performance 55 kW variable speed drive designed for heavy-duty industrial applications, delivering up to 98% efficiency and exceptional torque control under harsh conditions.
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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.
How is performance maintained during load changes with Schneider Electric ATV71HD55N4?
High transient current capability ensures consistent motor operation even during sudden load increases.
What monitoring options are available for Schneider Electric ATV71HD55N4?
A built-in LED indicator provides clear status information for drive voltage, assisting with quick diagnostics.
Does Schneider Electric ATV71HD55N4 support precise speed adjustment?
Output frequency range from 0.1 to 500 Hz allows accurate motor speed control across different applications.
How reliable is Schneider Electric ATV71HD55N4 in harsh environments?
Robust insulation, integrated EMC filter, and wide operating temperature range ensure dependable performance in industrial conditions.
Why select Schneider Electric ATV71HD55N4 for high-power motor control?
Strong current capacity, adjustable switching frequency, and wide output frequency range make the drive suitable for demanding operational environments.