FR-A840-0.4K-1

Mitsubishi Electric

Mitsubishi Electric FR-A840-0.4K-1 FR-A800 Series Variable Frequency Drive

SKU FR-A840-0.4K-1

In stock
  • 12-month warranty
  • Free returns within 30 days
  • Manufacturer: Mitsubishi Electric
  • Product No.: FR-A840-0.4K-1
  • Origin United States
  • Product Type: Variable Frequency Drives
  • Payment: T/T, Western Union
  • Weight: 4.0 kg
  • Shipping port: Xiamen
  • Warranty: 12 months

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FR-A800 Variable Frequency Drives
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Product Description

Description

Designed for precise speed and torque control in demanding industrial environments, the FR-A840-0.4K-1 represents the premium three-phase variable frequency drive (VFD) class within the Mitsubishi Electric FR-A800 family. This drive is engineered to deliver high-performance vector control and outstanding real-time speed response for both standard induction motors and permanent magnet motors.

Operating on a three-phase input supply of 380V to 500V, this compact unit provides a rated output of 0.4 kW. Built-in serial communication protocols, including RS-485, RS-422, and RS-232, facilitate direct integration into factory automation systems, PLCs, and distributed control networks without requiring additional interface cards.

Features

  • Advanced magnetic flux vector control for precise speed regulation and high starting torque.
  • Auto-tuning capabilities for both induction motors (IM) and permanent magnet (PM) motors.
  • Integrated RS-485, RS-422, and RS-232 communication interfaces for flexible system integration.
  • Inherent energy-saving control algorithms that optimize excitation current based on motor load.
  • Comprehensive protective functions including overcurrent, overvoltage, undervoltage, and thermal overload tracking.

Applications

  • Material handling systems, conveyors, and sorting lines.
  • Water and wastewater pumps, industrial fans, and blowers.
  • Extruders, mixers, and industrial processing machinery.
  • Gantry cranes, hoist mechanisms, and high-precision positioning systems.

Technical Specifications

Manufacturer Mitsubishi Electric
Model Number FR-A840-0.4K-1
Series FR-A800
Applicable Motor Capacity 0.4 kW
Input Voltage Class Three-phase 400 V
Rated Input Voltage Three-phase 380 to 500 V (50 Hz / 60 Hz)
Output Capacity 1.1 kVA
Output Rated Current 1.5 A
Output Specification Three-Phase
External Communications RS-232, RS-422, RS-485
Width 150 mm
Height 260 mm
Depth 140 mm
Shipping Weight 4 kg

Installation Guidelines

To ensure optimal heat dissipation and reliable operation, observe the following engineering instructions:

  • Mounting Position: Install the drive vertically on a flat, non-flammable surface such as a metal panel.
  • Clearances: Maintain a minimum clearance of 50 mm above and below the drive unit, and at least 10 mm on both sides for adequate airflow.
  • Wiring: Always connect the AC power source to the input terminals (R/L1, S/L2, T/L3) and the motor leads to the output terminals (U, V, W). Never connect AC power directly to the output terminals as this will cause catastrophic damage.
  • Grounding: Use a dedicated ground terminal with low electrical resistance to prevent electrical noise and ensure personnel safety.

Compliance and Certifications

  • CE Marked
  • UL Listed
  • cUL Listed
  • RoHS Compliant (6)
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 rated motor capacity for the FR-A840-0.4K-1?
The FR-A840-0.4K-1 is rated for an applicable motor capacity of 0.4 kW.
What input voltage range does this variable frequency drive support?
It supports a three-phase input voltage range of 380 V to 500 V at 50/60 Hz.
Which communication interfaces are built into this drive?
This drive includes RS-232, RS-422, and RS-485 serial communication interfaces as standard.
Can this drive control permanent magnet (PM) motors?
Yes, the FR-A840-0.4K-1 features auto-tuning and control algorithms for both standard induction motors (IM) and permanent magnet (PM) motors.
What are the physical dimensions of the drive?
The dimensions are 260 mm in height, 150 mm in width, and 140 mm in depth, with a shipping weight of approximately 4 kg.
Reviews

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FR-A840-0.4K-1

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Mitsubishi Electric FR-A840-0.4K-1 FR-A800 Series Variable Frequency Drive

Only 10 item(s) left in stock

  • Manufacturer: Mitsubishi Electric

  • Product No.: FR-A840-0.4K-1

  • Country of origin:United States

  • Product Type: Variable Frequency Drives

  • Payment: T/T, Western Union

  • Weight: 4000g

  • Shipping port: Xiamen

  • Warranty: 12 months

View full details
Product Description
FAQ
Shipping Returns
Additional details
Reviews

Description

Designed for precise speed and torque control in demanding industrial environments, the FR-A840-0.4K-1 represents the premium three-phase variable frequency drive (VFD) class within the Mitsubishi Electric FR-A800 family. This drive is engineered to deliver high-performance vector control and outstanding real-time speed response for both standard induction motors and permanent magnet motors.

Operating on a three-phase input supply of 380V to 500V, this compact unit provides a rated output of 0.4 kW. Built-in serial communication protocols, including RS-485, RS-422, and RS-232, facilitate direct integration into factory automation systems, PLCs, and distributed control networks without requiring additional interface cards.

Features

  • Advanced magnetic flux vector control for precise speed regulation and high starting torque.
  • Auto-tuning capabilities for both induction motors (IM) and permanent magnet (PM) motors.
  • Integrated RS-485, RS-422, and RS-232 communication interfaces for flexible system integration.
  • Inherent energy-saving control algorithms that optimize excitation current based on motor load.
  • Comprehensive protective functions including overcurrent, overvoltage, undervoltage, and thermal overload tracking.

Applications

  • Material handling systems, conveyors, and sorting lines.
  • Water and wastewater pumps, industrial fans, and blowers.
  • Extruders, mixers, and industrial processing machinery.
  • Gantry cranes, hoist mechanisms, and high-precision positioning systems.

Technical Specifications

Manufacturer Mitsubishi Electric
Model Number FR-A840-0.4K-1
Series FR-A800
Applicable Motor Capacity 0.4 kW
Input Voltage Class Three-phase 400 V
Rated Input Voltage Three-phase 380 to 500 V (50 Hz / 60 Hz)
Output Capacity 1.1 kVA
Output Rated Current 1.5 A
Output Specification Three-Phase
External Communications RS-232, RS-422, RS-485
Width 150 mm
Height 260 mm
Depth 140 mm
Shipping Weight 4 kg

Installation Guidelines

To ensure optimal heat dissipation and reliable operation, observe the following engineering instructions:

  • Mounting Position: Install the drive vertically on a flat, non-flammable surface such as a metal panel.
  • Clearances: Maintain a minimum clearance of 50 mm above and below the drive unit, and at least 10 mm on both sides for adequate airflow.
  • Wiring: Always connect the AC power source to the input terminals (R/L1, S/L2, T/L3) and the motor leads to the output terminals (U, V, W). Never connect AC power directly to the output terminals as this will cause catastrophic damage.
  • Grounding: Use a dedicated ground terminal with low electrical resistance to prevent electrical noise and ensure personnel safety.

Compliance and Certifications

  • CE Marked
  • UL Listed
  • cUL Listed
  • RoHS Compliant (6)
Key Features:
#FR-A800 #Variable Frequency Drives

What is the rated motor capacity for the FR-A840-0.4K-1?
The FR-A840-0.4K-1 is rated for an applicable motor capacity of 0.4 kW.

What input voltage range does this variable frequency drive support?
It supports a three-phase input voltage range of 380 V to 500 V at 50/60 Hz.

Which communication interfaces are built into this drive?
This drive includes RS-232, RS-422, and RS-485 serial communication interfaces as standard.

Can this drive control permanent magnet (PM) motors?
Yes, the FR-A840-0.4K-1 features auto-tuning and control algorithms for both standard induction motors (IM) and permanent magnet (PM) motors.

What are the physical dimensions of the drive?
The dimensions are 260 mm in height, 150 mm in width, and 140 mm in depth, with a shipping weight of approximately 4 kg.

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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