Delta Electronics

Delta Electronics VFD550CH43A-21 CH2000 Series Control Drive

SKU VFD550CH43A-21

In stock
  • 12-month warranty
  • Free returns within 30 days
  • Manufacturer: Delta Electronics

  • Product No.: VFD550CH43A-21

  • Country of origin:United States

  • Product Type: Variable Frequency Drives

  • Payment: T/T, Western Union

  • Weight: 41000g

  • Shipping port: Xiamen

  • Warranty: 12 months

Description

Engineered for high-impact industrial applications, the VFD550CH43A-21 variable frequency drive delivers robust motor control and torque management within demanding automation environments. As part of the highly durable Delta CH2000 series, this heavy-duty control drive is designed to handle severe load transitions, making it highly effective for hoisting, cranes, and material handling systems where precise speed and torque regulation are critical.

The VFD550CH43A-21 operates on a 3-phase AC input and utilizes advanced vector control algorithms to optimize motor efficiency and dynamic response. With its built-in PLC capabilities, modular design, and support for multiple communication protocols, this control drive integrates into complex DCS and PLC architectures, offering high operational reliability and minimizing down-time in heavy industries.

Features

  • High overload capacity designed specifically for impact-loading and heavy-duty crane/hoist applications.
  • Advanced sensorless vector control (SVC) and closed-loop vector control (FOC) for exact speed and positioning accuracy.
  • Integrated PLC function allows for custom programming and local control tasks without external hardware.
  • Modular design facilitating quick installation of communication cards and encoder feedback modules.
  • Robust thermal management with intelligent fan speed control to extend component lifespan.

Applications

  • Overhead cranes, hoists, and gantry control systems.
  • Heavy-duty material handling and conveyor installations.
  • Metal processing and extrusion machinery.
  • High-inertia industrial fans, pumps, and centrifuges.

Technical Specifications

Manufacturer Delta Electronics
Part Number/Model VFD550CH43A-21
Series CH2000 Series
Drive Type Variable Frequency Vector Control Drive
Input Voltage Phase 3-Phase
Input Voltage Range 380V to 480V AC
Applicable Motor Output 55 kW (75 HP)
Control Method V/F Control, SVC (Sensorless Vector Control), FOC (Field Oriented Control)
Enclosure Rating IP20 / IP21 (depending on installation environment)
Operating Temperature -10 to 50 degC
Weight 41.0 kg

Installation Guidelines

For optimal reliability, mount the VFD550CH43A-21 vertically on a flat, non-flammable surface. Ensure adequate clearance around the cooling vents to permit unobstructed airflow, as restricted thermal dissipation can lead to premature derating or protective tripping. All control and encoder wiring must be routed separately from high-power input and motor output cabling using shielded cables to suppress electromagnetic interference (EMI). Ground the drive chassis securely to the central PE bus using a heavy-gauge copper conductor.

Compliance and Certifications

  • CE Certified
  • UL Listed
  • cUL Listed
  • RoHS Compliant

FAQ

What is the primary application of the Delta VFD550CH43A-21 control drive?

The VFD550CH43A-21 is designed for high-impact, heavy-duty industrial applications such as cranes, hoists, gantry systems, and metal extrusion machinery requiring high overload capacity and precise torque control.

What is the power rating of the VFD550CH43A-21?

This control drive has an applicable motor output rating of 55 kW (75 HP) operating on a 3-phase 380V to 480V AC supply.

Does this drive support closed-loop vector control?

Yes, the VFD550CH43A-21 supports Field Oriented Control (FOC) for closed-loop vector applications with compatible encoder feedback cards.

What is the operating temperature range for the VFD550CH43A-21?

The drive operates reliably in ambient temperatures ranging from -10 to 50 degC.

View all FAQs →

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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

Country of origin
United States

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