Mitsubishi Electric FR-A840-110K-1 FR-A800 Series Variable Frequency Drive

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Manufacturer: Mitsubishi Electric
Product No.: FR-A840-110K-1
Country of origin:United States
Product Type: Variable Frequency Drives
Payment: T/T, Western Union
Weight: 72000g
Shipping port: Xiamen
Warranty: 12 months

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Description

Operating as a high-performance motor control solution for heavy-duty industrial systems, the FR-A840-110K-1 is a premium three-phase variable frequency drive (VFD) within the Mitsubishi Electric FR-A800 series. Designed to deliver superior speed and torque regulation, this robust inverter features built-in FM terminal monitoring capabilities, real-time sensorless vector control, and advanced energy-saving profiles. Engineered to withstand challenging industrial environments, it provides reliable excitation control for both standard induction motors and permanent magnet motors, maximizing operating efficiency across complex processing systems.

Features

Advanced Real-Time Sensorless Vector Control (RSV) for high-accuracy speed and torque performance.
Integrated FM terminal interface providing dynamic pulse-train monitoring output for operational parameters.
Optimum Excitation Control for minimized power consumption under variable load profiles.
Built-in RS-485, RS-422, and RS-232 serial communication interfaces supporting industrial protocols.
Comprehensive system protection mechanisms, including overcurrent, overvoltage, overload, and thermal protection.

Applications

Heavy-duty pumps, fans, and ventilation blower systems.
Industrial conveyors, gantry systems, and material handling lines.
High-capacity compressors, extruders, and mixing machinery.
Water treatment facilities and municipal pumping stations.
Mining, metallurgy, and heavy manufacturing machinery.

Technical Specifications

Parameter	Specification
Manufacturer	Mitsubishi Electric
Model / Part Number	FR-A840-110K-1
Series	FR-A800 Series
Applicable Motor Capacity	110 kW
Input Voltage Class	Three-phase 400 V AC
Rated Input Voltage Range	Three-phase 380 to 500 V AC (50 / 60 Hz)
Output Rated Current	216 A
Output Capacity	165 kVA
Communications	RS-232 / RS-422 / RS-485
Height	740 mm
Width	465 mm
Depth	300 mm
Shipping Weight	72 kg

Connections and Interfaces

Terminal Name	Function Description
R/L1, S/L2, T/L3	Three-phase AC power input terminal connection
U, V, W	Three-phase AC output terminal connection to motor
FM Terminal	Analog pulse train monitor output (frequency, current, etc.)
RS-485 Terminal	Serial communication interface for Modbus and automation network control
PE	Protective Earth grounding point

Installation Guidelines

Mounting: Mount vertically inside a well-ventilated control panel. Ensure a minimum clearance of 10 cm above and below the drive to facilitate proper airflow.
Environmental Conditions: Maintain ambient operating temperature between -10 degC and +50 degC (non-freezing, non-condensing).
Shielding & Grounding: Always ground the drive securely using the designated PE terminal. Use shielded motor and control cables to suppress electromagnetic interference (EMI).

Compliance and Certifications

CE Mark
UL Listed
cUL Listed
RoHS Compliant

Key Features:

#FR-A800 Series #Variable Frequency Drives

What is the function of the FM terminal on the FR-A840-110K-1?

The FM terminal acts as an analog pulse train output that allows you to monitor operational VFD parameters, such as output frequency or current, using external diagnostic equipment.

Can this variable frequency drive control permanent magnet motors?

Yes, the Mitsubishi Electric FR-A800 series, including the FR-A840-110K-1, supports high-efficiency control for both standard induction motors and permanent magnet (PM) motors.

What standard serial communication protocols are integrated?

The drive natively features RS-485, RS-422, and RS-232 serial communication interfaces, supporting protocols such as Modbus RTU for seamless integration into industrial networks.

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 .

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Mitsubishi Electric FR-A840-110K-1 FR-A800 Series Variable Frequency Drive