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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Shipping & Returns

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