Mitsubishi Electric FR-F840-00170-2-60 FR-F800 Series Inverter Drive

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Manufacturer: Mitsubishi Electric
Product No.: FR-F840-00170-2-60
Country of origin:United States
Product Type: Inverter Drives
Payment: T/T, Western Union
Weight: 500g
Shipping port: Xiamen
Warranty: 12 months

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Description

Regulating system dynamics with exceptional efficiency, the Mitsubishi Electric FR-F840-00170-2-60 is a dedicated variable frequency drive engineered primarily for pump, fan, and compressor operations. This FR-F800 Series controller provides precise speed regulation over three-phase AC motors, featuring dual overload ratings to optimize physical sizing and thermal margins. By utilizing advanced energy-saving algorithms, the drive dynamically adjusts excitation current in response to load fluctuations, maximizing operational efficiency under real-time conditions. The robust IP20 enclosure is designed for standardized panel mounting within industrial environments, incorporating integrated PID control loops to streamline system architectures without requiring external controllers.

Features

Dual Rating Modes: Features Super Light Duty (SLD) and Light Duty (LD) ratings to align precisely with specific torque applications.
Optimum Excitation Control: Automatically calculates and applies the ideal magnetic flux matching the load, minimizing thermal losses.
Built-In PID Controller: Allows direct process loop management for flow, pressure, or temperature regulation without PLC intervention.
Enhanced Safety Integration: Equipped with safety stop functions complying with global machinery protection requirements.
Integrated USB Port: Facilitates direct connection to engineering software for diagnostic plotting and parameter backups.

Applications

Fluid Management: Municipal and industrial water pump control, including booster systems and dry-run protection.
HVAC Systems: Intake, exhaust, and recirculation air-handling fans in commercial or industrial facilities.
Compressor Control: Dynamic speed control for positive-displacement and centrifugal air compression units.

Technical Specifications Table

Parameter	Specification value
Manufacturer	Mitsubishi Electric
Model Code	FR-F840-00170-2-60
Series	FR-F800
Power Rating	7.5 kW
Supply Voltage	380 to 500 V AC (3-Phase)
Rated Current (SLD)	17.0 A
Rated Current (LD)	16.0 A
Operating Temperature (SLD)	-10 to +40 degC
Operating Temperature (LD)	-10 to +50 degC
Ingress Protection Rating	IP20
Shipping Weight (Calculated)	7.5 kg

Connections and Interfaces

Terminal Group	Function / Circuit Assignment
R/L1, S/L2, T/L3	Three-phase AC main power supply inputs.
U, V, W	Three-phase AC variable frequency outputs to motor.
STF / STR	Forward rotation start / Reverse rotation start control lines.
10, 2, 5	Analog input terminals for external speed setting (0 to 10 V DC).
SD, SE	Common terminals for digital inputs and open collector outputs.

Empirical Engineering Insights

Alternative Models & Compatibility

This unit directly succeeds legacy FR-F740 models. When transitioning, verify the operational parameter logic because terminal assignments match, but software parameters (especially those referencing motor constants and auto-tuning) require translation using FR Configurator2. Parameter conversion utilities within the software automate this migration but necessitate validation prior to line commissioning.

Application Pitfalls & Engineering Notes

When sizing for high-altitude operations, derate current output by 1% for every 100 meters above 1000 meters up to a maximum of 2500 meters. For applications involving high-inertia loads like large extraction fans, integrate an external braking resistor to prevent overvoltage trips (E.OV3) during deceleration phases, especially when rapid deceleration cycles are scheduled.

Commissioning & Wiring Tips

Ensure the control signal wiring is completely segregated from the primary motor and input power cables. Use shielded twisted-pair (STP) wiring for analog speed references (terminals 2 and 5) and tie the shield exclusively to terminal 5 on the drive side to eliminate ground loops. In noisy electromagnetic environments, installing a zero-phase reactor on the input line significantly mitigates EMI issues.

Installation Guidelines

CRITICAL WARNING: Hazardous voltages remain present on the internal DC bus capacitors even after the AC line power has been isolated. Wait a minimum of 10 minutes after disconnecting input power, and verify with a multimeter that the DC bus voltage across terminals P/+ and N/- is below 45 V DC before performing any electrical connection or inspection work.

Mount the inverter vertically on a flat, non-flammable surface inside an enclosure that maintains ambient temperatures within the operational thresholds (-10 to +50 degC for Light Duty setups).

Ensure minimum clearances of 50 mm above and below the drive and 20 mm on the sides to facilitate unhindered convection cooling.

Connect the protective earth (PE) terminal first, utilizing a low-impedance grounding cable to mitigate common-mode noise issues.

Key Features:

#FR-F800 Series #Inverter Drives

What is the difference between the SLD and LD ratings on this inverter?

The Super Light Duty (SLD) rating is optimized for variable torque loads like fans and centrifugal pumps, allowing up to 17.0 A continuous current at ambient temperatures up to 40 degC. The Light Duty (LD) rating limits output to 16.0 A but permits operation at up to 50 degC for applications with slightly higher dynamic loading.

How do I clear an E.OV3 fault during motor deceleration?

An E.OV3 fault indicates regenerative overvoltage on the DC bus. You must increase the deceleration time parameter (Pr. 8), enable the deceleration stall prevention parameter, or install an external braking unit with a power resistor to dissipate the regenerated energy.

Can this drive run on a single-phase AC input supply?

No. The drive is specifically designed for a three-phase AC input supply ranging from 380 V to 500 V. Operating the unit on a single-phase supply will cause phase loss detection faults or degrade internal components due to input current overload.

Global Express Shipping

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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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Mitsubishi Electric FR-F840-00170-2-60 FR-F800 Series Inverter Drive