Schneider Electric

Schneider Altivar 21 ATV21HD37N4 Variable Frequency Drive

SKU ATV21HD37N4

In stock
  • 12-month warranty
  • Free returns within 30 days
  • Manufacturer: Schneider Electric
  • Product No.: ATV21HD37N4
  • Origin France
  • Product Type: Variable Frequency Drives
  • Payment: T/T, Western Union
  • Weight: 27.4 kg
  • Dimensions: 42,00cm x 24,00cm x 12,20cm
  • Shipping port: Xiamen
  • Warranty: 12 months

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Product Description

Description

The ATV21HD37N4 is a Variable Speed Drive from the Altivar 21 series, designed by Schneider Electric to provide precise motor control for demanding industrial applications. This drive is rated for an output power of 37 kW (50 HP) and is engineered for operation with a 480 V supply. It incorporates an integrated Class A EMC filter to minimize electromagnetic interference, supporting reliable operation in standard industrial electrical environments.

The ATV21HD37N4 is specifically optimized for applications requiring efficient speed and torque regulation, such as HVAC systems, centrifugal pumps, and fan control. The unit is housed in an IP20-rated enclosure, providing a compact footprint that allows for efficient installation within electrical cabinets and control panels. As a phase-out product, this drive remains a dependable choice for maintenance and upgrades in existing industrial control architectures.

Features

  • Optimized for HVAC, pump, and fan control applications
  • Integrated Class A EMC filter for reliable electrical performance
  • High-performance motor speed and torque regulation
  • Compact design for simplified integration into electrical panels
  • Rated for 37 kW (50 HP) output at 480 V operation

Applications

  • HVAC ventilation and climate control systems
  • Centrifugal pump operations
  • Industrial blower and compressor systems
  • Fluid circulation and process cooling equipment

Technical Specifications

Category Specification
Manufacturer Schneider Electric
Range Altivar
Subrange 21
Product Type Variable frequency drives
Power Rating 37 kW (50 HP)
Supply Voltage 480 V
Filter EMC Filter Class A
Degree of Protection IP20
Dimensions 42.00 x 24.00 x 12.20 cm
Weight 27.40 kg
Product Phase Phase-Out

Installation Guidelines

  • Mounting: Install the drive in a vertical position on a clean, solid, non-flammable surface.
  • Ventilation: Ensure adequate clearance is maintained above and below the drive to facilitate effective airflow and heat dissipation.
  • Grounding: Connect the drive to a secure, low-impedance earth ground to ensure safe operation and maximize the effectiveness of the integrated EMC filter.
  • Wiring: Keep motor cables as short as possible and route them separately from sensitive control signal wiring to prevent electromagnetic interference.
  • Environment: Do not operate the unit in areas exposed to corrosive gases, high humidity, or temperatures exceeding the specified operational limits.
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.
FAQ
What is the primary application for the ATV21HD37N4?
This drive is optimized for HVAC systems, centrifugal pumps, and industrial fan control applications.
Does this model include an EMC filter?
Yes, it features an integrated Class A EMC filter to help reduce electromagnetic interference.
What is the power rating of the ATV21HD37N4?
This drive is rated for 37 kW (50 HP) at 480 V.
What is the IP rating for this drive enclosure?
The unit features an IP20 degree of protection.
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ATV21HD37N4

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Schneider Altivar 21 ATV21HD37N4 Variable Frequency Drive

Only 6 item(s) left in stock
  • Manufacturer: Schneider Electric

  • Product No.: ATV21HD37N4

  • Country of origin:France

  • Product Type: Variable Frequency Drives

  • Payment: T/T, Western Union

  • Weight: 27400g

  • Dimensions: 42,00cm x 24,00cm x 12,20cm

  • Shipping port: Xiamen

  • Warranty: 12 months

Quantity
View full details

Description

The ATV21HD37N4 is a Variable Speed Drive from the Altivar 21 series, designed by Schneider Electric to provide precise motor control for demanding industrial applications. This drive is rated for an output power of 37 kW (50 HP) and is engineered for operation with a 480 V supply. It incorporates an integrated Class A EMC filter to minimize electromagnetic interference, supporting reliable operation in standard industrial electrical environments.

The ATV21HD37N4 is specifically optimized for applications requiring efficient speed and torque regulation, such as HVAC systems, centrifugal pumps, and fan control. The unit is housed in an IP20-rated enclosure, providing a compact footprint that allows for efficient installation within electrical cabinets and control panels. As a phase-out product, this drive remains a dependable choice for maintenance and upgrades in existing industrial control architectures.

Features

  • Optimized for HVAC, pump, and fan control applications
  • Integrated Class A EMC filter for reliable electrical performance
  • High-performance motor speed and torque regulation
  • Compact design for simplified integration into electrical panels
  • Rated for 37 kW (50 HP) output at 480 V operation

Applications

  • HVAC ventilation and climate control systems
  • Centrifugal pump operations
  • Industrial blower and compressor systems
  • Fluid circulation and process cooling equipment

Technical Specifications

Category Specification
Manufacturer Schneider Electric
Range Altivar
Subrange 21
Product Type Variable frequency drives
Power Rating 37 kW (50 HP)
Supply Voltage 480 V
Filter EMC Filter Class A
Degree of Protection IP20
Dimensions 42.00 x 24.00 x 12.20 cm
Weight 27.40 kg
Product Phase Phase-Out

Installation Guidelines

  • Mounting: Install the drive in a vertical position on a clean, solid, non-flammable surface.
  • Ventilation: Ensure adequate clearance is maintained above and below the drive to facilitate effective airflow and heat dissipation.
  • Grounding: Connect the drive to a secure, low-impedance earth ground to ensure safe operation and maximize the effectiveness of the integrated EMC filter.
  • Wiring: Keep motor cables as short as possible and route them separately from sensitive control signal wiring to prevent electromagnetic interference.
  • Environment: Do not operate the unit in areas exposed to corrosive gases, high humidity, or temperatures exceeding the specified operational limits.

What is the primary application for the ATV21HD37N4?

This drive is optimized for HVAC systems, centrifugal pumps, and industrial fan control applications.

Does this model include an EMC filter?

Yes, it features an integrated Class A EMC filter to help reduce electromagnetic interference.

What is the power rating of the ATV21HD37N4?

This drive is rated for 37 kW (50 HP) at 480 V.

What is the IP rating for this drive enclosure?

The unit features an IP20 degree of protection.

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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