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        ATV71HU55N4

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        ATV71HU55N4 is a 5.5kW/7.5HP variable speed drive for 380-480V 3-phase, with integrated EMC filter, graphic terminal, sensorless flux vector control, and 220% overtorque.
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        Warranty Policy
        We provide 1 year warranty for all remaining parts.
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        Return Notice
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
        Shipping Mode
        Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.
        Parts Availability
        Apter Power offers a wide range of components, products and services related to industrial automation. We also supply new products from a variety of quality manufacturers.
        How to order
        We have been working hard to update our inventory. If we have stock or parts available for new factory purchases, you can contact the order online. If we do not currently have an inventory, the displayed quantity will show "Ask". Please create an online quote or contact us by phone, fax or email to check availability.

        Technical specifications for ATV71HU55N4

        • Manufacturer:
          Schneider Electric
        • Part Number:
          ATV71HU55N4
        • Product Family:
          Altivar Process
        • Product Type:
          Variable Speed Drive
        • Product Range:
          Altivar 71
        • Motor Power:
          5.5 kW / 7.5 HP @ 380-480V 3-phase
        • Supply Voltage:
          380-480 VAC, 3-phase, -15% / +10%
        • Supply Frequency:
          50/60 Hz ±5%
        • Line Current:
          20.3A @ 380V / 17A @ 480V
        • Nominal Output Current:
          14.3A @ 4 kHz (380V) / 11A @ 4 kHz (460V)
        • Maximum Transient Current:
          23.6A for 2s / 21.5A for 60s
        • Apparent Power:
          13.4 kVA @ 380V
        • Output Frequency Range:
          0.1 to 599 Hz
        • Nominal Switching Frequency:
          4 kHz (adjustable 1-16 kHz)
        • Transient Overtorque:
          220% for 2s / 170% for 60s
        • Braking Torque:
          ≤150% with braking resistor / 30% without
        • Speed Range:
          1:1000 closed-loop / 1:100 open-loop
        • Speed Accuracy:
          ±0.01% closed-loop / ±10% slip open-loop
        • Torque Accuracy:
          ±5% closed-loop / ±15% open-loop
        • Protection:
          IP20
        • Operating Temperature:
          -10°C to +50°C (no derating)
        • Storage Temperature:
          -25°C to +70°C
        • Weight:
          5.54 kg
        • Estimated shipping dimensions:
          17.5x16x32cm
        • Tariff Code:
          8501310000
        • 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 Application Operating Environment Monitoring & Control

        Features:

        • Delivers 5.5kW (7.5HP) in a compact 5.5kg package with 170% torque for 60 seconds and 220% for 2 seconds, ideal for high-inertia loads and demanding start-stop applications.
        • Features sensorless flux vector control (SFVC) for asynchronous motors, flux vector control with encoder (FVC) for ±0.01% speed accuracy, and built-in graphic terminal for easy setup, monitoring, and diagnostics.
        • Includes Safe Torque Off (STO) conforming to ISO 13849-1 level d with ≤100ms response time. Built-in Modbus and CANopen protocols with optional Profibus DP, DeviceNet, Ethernet/IP, and Modbus TCP via plug-in cards.
        The ATV71HU55N4 is engineered to deliver exceptional performance in a compact, space-saving package. Despite its small size, the ATV71HU55N4 provides 5.5kW (7.5HP) of motor power with 14.3A nominal output current at 380V. The drive delivers 170% of nominal motor torque for 60 seconds and an impressive 220% for 2 seconds, making it ideal for high-inertia loads such as small centrifuges, mixers, and punch presses.

        The ATV71HU55N4 offers sophisticated motor control algorithms to optimize performance for any application. Sensorless flux vector control (SFVC) provides high torque accuracy (±15%) and speed regulation (±10% of slip) without an encoder, simplifying installation and reducing costs. For maximum precision, flux vector control (FVC) with encoder feedback delivers ±0.01% speed accuracy and ±5% torque accuracy, with a speed range of 1:1000. The drive also supports voltage/frequency ratio control (2 or 5 points) for simple fan and pump applications.

        The ATV71HU55N4 simplifies system design with built-in safety and communication functions. The Safe Torque Off (STO) function, conforming to ISO 13849-1 level d, provides a hardware-based safety path that prevents unexpected motor start, critical for maintenance safety. Response time is ≤100 ms from safety input to output removal. The drive can be integrated with Preventa XPS AC or XPS ATE safety modules for applications requiring category 3 or SIL2 per IEC/EN 61508. For industrial networking, the ATV71HU55N4 includes built-in Modbus (RJ45 on front face and terminal) and CANopen (SUB-D 9) protocols.

        The ATV71HU55N4 SCHNEIDER Variable Speed Drive may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).

        SCHNEIDER ATV71HU55N4 Variable Speed Drive Manuals, Datasheets, Drivers, 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 ATV71HU55N4 Variable Speed Drive Specs

        General

        • Manufacturer SCHNEIDER
        • Model ATV71HU55N4
        • Condition New Original ready stock
        • Product Family ATV71HD45N4Z,ATV71HD30N4,ATV71HC13N4
        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.
        • Material Handling & Hoisting: Controlling traveling (gantry/trolley) movements of overhead cranes, small hoists, conveyors, and sorting lines. The integrated Brake Logic Control (BLF) ensures safe mechanical brake synchronization.
        • Process Packaging & Textiles: Small-scale mixers, extruders, labeling machines, packaging machinery, and custom high-precision assembly lines.
        • Precision Speed & Position Control: Applications requiring closed-loop vector control (via an optional encoder feedback card) for precise synchronization or web-tension control in winding/unwinding equipment.
        • Constant Torque Pumps & Compressors: Reciprocating air compressors, positive displacement pumps, and metering gear pumps requiring high torque at very low speeds.
        • Standard Operation: -10°C to +50°C (14°F to 122°F) without derating, provided the protective cover on top of the drive is removed.
        • Maximum Temperature: Can operate up to +60°C (140°F), but the output current must be derated by 2.2% per°C for any temperature exceeding 50°C.
        • The chassis comes with an IP20 rating (or IP31 with the top dust cover kept on).
        • Rated Line Current: At 380V, the input line current is 20.3 A, and the continuous output current is 14.3 A.
        • Control: Operators can use the local keypad buttons and navigation wheel to Start, Stop, Reverse, or JOG the motor directly.
        • Monitoring: The screen displays real-time operational data such as output frequency (Hz), motor current (A), line voltage (V), power (kW), motor thermal state (%), and precise active fault codes.
        • Parameter Backup: The keypad has an internal memory allowing users to copy, store, and transfer identical parameter sets to other Altivar 71 drives.
        • Logic Inputs (LI1 - LI6): 24V programmable inputs (Source/Sink configurable). Typically, LI1 is preset for forward running, LI2 for reverse running, and others can be mapped to preset multi-speeds or fault resets.
        Description
        The ATV71HU55N4 is a compact variable speed drive from the Altivar 71 series, designed for complex high-power machines requiring precise motor control. It delivers 5.5kW (7.5HP) from a 380-480V three-phase supply with line current of 20.3A at 380V. The ATV71HU55N4 features an integrated EMC filter and a graphic terminal for easy programming and diagnostics. 

        Advanced motor control on the ATV71HU55N4 includes sensorless flux vector control (SFVC), flux vector control with encoder (FVC), and voltage/frequency ratio control. The ATV71HU55N4 supports both asynchronous and synchronous motors with transient overtorque of 220% for 2 seconds and 170% for 60 seconds. 

        The ATV71HU55N4 offers comprehensive I/O including 2 analog inputs (one bipolar ±10V, one configurable 0-20mA/0-10V), 1 analog output, 7 discrete inputs (including PTC probe and safety input PWR), and 2 relay outputs. It features Safe Torque Off (STO) conforming to ISO 13849-1 level d. 

        The ATV71HU55N4 operates at altitudes up to 1000m without derating, with switching frequency adjustable from 1 to 16 kHz (derating above 4 kHz). The ATV71HU55N4 includes comprehensive protection: thermal protection, motor phase break, overcurrent, short-circuit, DC bus over/undervoltage, and input phase loss. Built-in Modbus and CANopen communication protocols are standard.
        Alternative Names
        ATV71HD75N4 ATV71HD55N4 ATV71HD45N4 ATV71HC11N4 ATV71HD22N4 ATV71HD18N4 ATV71H075N4Z ATV71HD15N4
        Technical notes
        ATV71HU55N4 is a 5.5kW/7.5HP IP20 drive for complex high-power machines. Features sensorless flux vector control, 14.3A output, 220% overtorque for 2s, and STO safety (≤100ms). Includes graphic terminal, 2 AIs, 1 AO, 7 DIs, 2 relays, Modbus, and CANopen. Operates -10°C to +50°C, 3000m altitude.
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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.
        VIEW ALL FAQS
        What is the power rating of ATV71HU55N4?
        The ATV71HU55N4 delivers 5.5kW (7.5HP) at 380-480V three-phase. It provides 14.3A nominal output current at 380V with 4 kHz switching frequency, and transient capability of 21.5A for 60 seconds or 23.6A for 2 seconds.
        What safety functions does ATV71HU55N4 include?
        The ATV71HU55N4 includes Safe Torque Off (STO) conforming to ISO 13849-1 level d with ≤100ms response time. It can be integrated with Preventa XPS AC/ATE safety modules for category 3 or SIL2 applications.
        What is the maximum motor cable length for ATV71HU55N4?
        Maximum motor cable length is 50m shielded or 100m unshielded. For encoder feedback, standardized coaxial cable RG174/U is required, maximum length 15m with shielding earthed.

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