Schneider Electric

Schneider Altivar 21 ATV21HD18N4 Variable Frequency Drive

SKU ATV21HD18N4

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

  • Manufacturer: Schneider Electric

  • Product No.: ATV21HD18N4

  • Country of origin:France

  • Product Type: Variable Frequency Drives

  • Payment: T/T, Western Union

  • Weight: 11550g

  • Dimensions: 33,00cm x 24,50cm x 19,00cm

  • Shipping port: Xiamen

  • Warranty: 12 months

Description

The ATV21HD18N4 is a Variable Frequency Drive (VFD) from the Altivar 21 series, engineered for precise speed and torque management of three-phase asynchronous motors. Designed for a power rating of 18.5 kW (25 HP) at an operating voltage of 480V, this drive provides high-performance control for industrial motor applications. The ATV21HD18N4 includes an integrated EMC filter (Class A) to minimize conducted emissions and is housed in an IP20-rated enclosure, making it suitable for mounting within clean, protected electrical control panels.

Features

  • Dedicated control for three-phase asynchronous motors
  • Integrated EMC filter (Class A) for electromagnetic compatibility
  • Compact and robust design for rack or cabinet mounting
  • Energy-efficient operation for pump and fan control
  • Reliable speed and torque regulation

Applications

  • HVAC systems (commercial and industrial fans)
  • Industrial pumping and fluid distribution
  • Building automation systems
  • Centrifugal process machinery
  • Light-duty manufacturing conveyors

Technical Specifications

Feature Specification
Manufacturer Schneider Electric
Range Altivar
Subrange 21
Model ATV21HD18N4
Power Rating 18.5 kW (25 HP)
Supply Voltage 480 V
Protection Rating IP20
EMC Filter Class A
Commodity Code 85044095
Product Phase Phase-Out
Weight 11.55 kg
Dimensions (H x W x D) 33.00 x 24.50 x 19.00 cm

Installation Guidelines

  • Mounting: Mount the drive in a vertical orientation within a clean, ventilated electrical enclosure. Ensure clear space above and below the unit for air intake and exhaust.
  • Environmental: The IP20 rating requires installation in an environment protected from moisture, dust, and conductive particles.
  • Wiring: Use shielded cabling for motor leads to comply with EMC Class A requirements. Connect power and motor terminals firmly according to the specified torque settings.
  • Grounding: A secure, high-integrity chassis ground is necessary to maintain safety and ensure effective EMC filtering.
  • Ventilation: Do not obstruct the integrated cooling fans. Monitor the ambient temperature within the cabinet to prevent thermal derating.

FAQ

What is the power rating of the ATV21HD18N4?
The drive is rated for 18.5 kW (25 HP).

What level of EMC filtering does this drive provide?
This model includes an integrated Class A EMC filter.

What is the protection rating of this unit?
The drive has an IP20 protection rating, suitable for installation inside a protected electrical cabinet.

Is the ATV21HD18N4 still in active production?
No, the ATV21HD18N4 is currently classified as a phase-out product.

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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.

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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