Mitsubishi Electric FR-A840-7.5K-1 FR-A800 Variable Frequency Drive

SKU FR-A840-7.5K-1

In stock

12-month warranty
Free returns within 30 days

Manufacturer: Mitsubishi Electric
Product No.: FR-A840-7.5K-1
Country of origin:United States
Product Type: Variable Frequency Drives
Payment: T/T, Western Union
Weight: 8000g
Shipping port: Xiamen
Warranty: 12 months

Description

Precise motor speed and torque regulation are handled efficiently by the FR-A840-7.5K-1, a heavy-duty three-phase inverter from the Mitsubishi Electric FR-A800 series. Engineered for demanding industrial automation environments, this drive delivers high-performance vector control, sensorless velocity management, and integrated safety functions to protect machinery and optimize process operations.

This variable speed drive features onboard RS-485, RS-422, and RS-232 serial interfaces, allowing seamless integration into master PLC architectures and plant distributed control systems (DCS). Its robust design makes it highly reliable for heavy overload applications requiring high starting torque, including material handling, hoisting, and continuous manufacturing lines.

Features

Precise Motor Control: Implements advanced vector control algorithms and real-time tuning for stable speed control.
Robust Thermal Management: Built-in cooling structures ensure continuous operation under challenging industrial environment loads.
Flexible Communication Protocols: Native serial ports facilitate direct multi-drop networking and peripheral interfacing.
Safe Torque Off (STO): Integrated hardware-based safety input pathways help prevent accidental motor restarts.

Applications

Industrial pumps, fans, and blowers requiring precise flow control.
Conveyor systems and material handling machinery.
Extruders, mixers, and industrial centrifuges.
Machine tool spindles and automated positioning equipment.

Technical Specifications

Manufacturer	Mitsubishi Electric
Part Number / Model	FR-A840-7.5K-1
Series	FR-A800
Applicable Motor Capacity	7.5 kW
Input Voltage Class	Three-phase 400 V AC class (380 to 500 V AC, 50/60 Hz)
Output Rated Voltage	Three-phase 380 to 500 V AC
Output Capacity	13 kVA
Output Rated Current	17 A
External Communications	RS-232, RS-422, RS-485
Dimension Width	220 mm
Dimension Height	260 mm
Dimension Depth	170 mm
Shipping Weight	8 kg

Connections and Interfaces

Terminal Group	Function Description
R/L1, S/L2, T/L3	Main Three-Phase AC Power Supply Inputs
U, V, W	Variable Frequency Output Connections to Motor
P/+, PR	External Brake Resistor Connection Terminals
SD, SE	Control Circuit Common / Signal Ground Terminals
TXD/RXD	RS-485 / RS-422 Serial Communication Connections

Installation Guidelines

Mount the variable speed drive vertically on a flat, non-flammable vertical panel or enclosure backplate.
Maintain a minimum ventilation clearance of 50 mm above and below the unit, and 10 mm on either side to prevent overheating.
Ensure solid protective earth grounding to prevent electrical noise coupling and protect personnel.
Always utilize shielded power cables for motor connections to maintain electromagnetic compatibility (EMC) compliance.

Compliance and Certifications

CE Marked
UL Listed
cUL Listed
RoHS Compliant

FAQ

What is the rated motor capacity for the FR-A840-7.5K-1 inverter?

The FR-A840-7.5K-1 is designed to support an applicable three-phase motor capacity of up to 7.5 kW.

What input and output voltage levels does this VFD support?

It supports a three-phase input class of 400 V AC, delivering a variable three-phase output voltage range of 380 to 500 V AC.

What communications options are natively available on the unit?

The drive includes integrated RS-232, RS-422, and RS-485 communication interfaces for direct industrial network connection.

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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

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