Schneider Electric

Schneider Altivar 21 ATV21HU55N4 Variable Frequency Drive

SKU ATV21HU55N4

In stock
  • 12-month warranty
  • Free returns within 30 days

  • Manufacturer: Schneider Electric

  • Product No.: ATV21HU55N4

  • Country of origin:France

  • Product Type: Variable Frequency Drives

  • Payment: T/T, Western Union

  • Weight: 6100g

  • Dimensions: 23,20cm x 18,00cm x 17,00cm

  • Shipping port: Xiamen

  • Warranty: 12 months

Description

The ATV21HU55N4 is a Variable Frequency Drive (VFD) within the Altivar 21 series designed to provide precise motor speed control and energy optimization for industrial equipment. This unit is rated for 5.5KW (7.5HP) operation at 480V and incorporates an integrated EMC Class A filter to mitigate electromagnetic interference in sensitive control environments. Designed with an IP20-rated enclosure, the ATV21HU55N4 facilitates efficient motor management in space-constrained cabinets, measuring 23.20 x 18.00 x 17.00 cm. This drive is part of a phased-out product line, commonly utilized for retrofitting, maintenance, and extending the service life of existing control architectures.

Features

  • Power rating: 5.5KW (7.5HP)
  • Supply voltage: 480V
  • Integrated EMC Class A filter
  • Enclosure rating: IP20
  • Compact dimensions for high-density panel mounting
  • Optimized for industrial motor control and energy efficiency

Applications

  • HVAC fan and pump systems
  • Conveyor motor speed regulation
  • Industrial pumping stations
  • Air handling units
  • Compressor control systems

Technical Specifications

Attribute Specification
Manufacturer Schneider Electric
Product Range Altivar
Subrange 21
Model ATV21HU55N4
Product Type Variable frequency drive
Power Rating 5.5KW (7.5HP)
Input Voltage 480V
EMC Filter Class A
IP Rating IP20
Weight 6.10kg
Dimensions 23.20 x 18.00 x 17.00 cm
Commodity Code 85044095
PLM Product Phase Phase-Out

Installation Guidelines

  • Ensure adequate ventilation and spacing around the unit to prevent thermal overload, adhering to the specified IP20 cooling requirements.
  • Maintain proper grounding of the drive chassis to the panel backplane to ensure effective operation of the internal EMC filter.
  • Route power and control cables separately to minimize induced noise in signal circuits.
  • When mounting in an enclosure, verify that ambient temperature conditions are within the operational limits of the drive.
  • Inspect all terminal connections for tightness before applying power to prevent arcing or poor conductivity.

FAQ

What is the primary application of the ATV21HU55N4 drive?
The drive is primarily used for motor speed control in industrial applications such as HVAC systems, pumps, and conveyor systems.

What does the IP20 rating indicate for this device?
An IP20 rating indicates the drive is protected against solid objects larger than 12.5mm but provides no specific protection against liquids; it must be installed in a suitable enclosure.

Is the ATV21HU55N4 still in active production?
No, this specific model is currently in the phase-out product lifecycle stage.

Does the drive include an EMC filter?
Yes, this unit comes equipped with an integrated EMC filter Class A to reduce electromagnetic interference.

View all FAQs →

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  • Standard Delivery: 4–6 business days via DHL, FedEx, and UPS.
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Returns & Warranty

  • 30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
  • 12-Month Warranty: Every industrial component is backed by our technical warranty.
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Global Express Shipping

  • Standard Delivery: 4-6 Business Days via DHL, FedEx, and UPS.
  • Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
  • Worldwide Coverage: Serving over 150 countries, including rapid delivery to Saudi Arabia and UAE.

Returns & Warranty

  • 30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
  • 12-Month Warranty: Every industrial component is backed by our professional technical warranty.

Orders are processed and delivered Monday-Friday (excluding public holidays).


For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .

TECHNICAL SPECIFICATIONS

Color pattern
Greyish White
Country of origin
France

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