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Mitsubishi Electric FR-CS84-295-60 FREQROL-CS80 Series Variable Frequency Drive Inverter

Mitsubishi Electric FR-CS84-295-60 FREQROL-CS80 Series Variable Frequency Drive Inverter

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  • Manufacturer: Mitsubishi Electric

  • Product No.: FR-CS84-295-60

  • Country of origin:United States

  • Product Type: Variable Frequency Drives

  • Payment: T/T, Western Union

  • Weight: 6000g

  • Dimensions: 260 mm x 220 mm x 195 mm

  • Shipping port: Xiamen

  • Warranty: 12 months

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Description

Managing heavy-duty three-phase motor applications requires highly dependable frequency control, which is precisely where the Mitsubishi Electric FR-CS84-295-60 excels. Engineered as a core variable frequency drive (VFD) within the highly compact FREQROL-CS80 series, this high-performance inverter is rated to drive induction motors with capacities up to 15 kW. Designed to deliver optimized magnetic flux vector control, it provides outstanding torque output even at lower rotational speeds, making it an excellent match for sophisticated machinery configurations in diverse industrial sectors.

Key Features

  • Space-Saving Envelope: Designed with a minimized physical footprint to allow high-density DIN-rail or backpanel installation.
  • Excellent Torque Response: Incorporates advanced magnetic flux vector control to stabilize motor performance during variable load cycles.
  • High Overload Resilience: Engineered to withstand transient spikes, with a rating of 150% for 60 seconds and 200% for 0.5 seconds.
  • Integrated Protection Circuits: Active monitoring guards against overcurrent, regenerative overvoltage, and thermal motor overload.
  • Maintenance-Free Terminals: Utilizes spring clamp terminal blocks to guarantee secure, vibration-resistant wiring.

Applications

  • Heavy material handling systems and industrial conveyors.
  • Centrifugal pumps, booster systems, and municipal fluid machinery.
  • High-capacity ventilation systems and industrial exhaust blowers.
  • Packaging, wrapping, and automated assembly equipment.

Technical Specifications

Parameter Value / Specification
Manufacturer Mitsubishi Electric
Model Number FR-CS84-295-60
Series FREQROL-CS80
Applicable Motor Capacity 15 kW
Rated Capacity 22.5 kVA
Rated Output Current 29.5 A (Derated to 25.1 A under high-carrier frequency)
Rated Input AC Voltage / Frequency Three-phase 380 to 480 V AC, 50/60 Hz
Permissible AC Voltage Fluctuation 325 to 528 V AC, 50/60 Hz
Permissible Frequency Fluctuation +/-5%
Power Supply Capacity Requirement 28.0 kVA
Overload Current Rating 150% for 60 seconds, 200% for 0.5 seconds (Inverse-time characteristics)
Shipping Weight 6.0 kg
Estimated Packaging Dimensions 260 mm x 220 mm x 195 mm

Connections and Interfaces

Terminal / Port Signal Assignment / Description
R/L1, S/L2, T/L3 Three-phase AC mains power input terminals
U, V, W Three-phase variable frequency output to induction motor
STF / STR Forward Run / Reverse Run command input
SD Common terminal for control input signals (Isolated Ground)
AM / 5 / 10 / 4 Analog output monitor and analog frequency setting inputs (0-10V, 4-20mA)

Empirical Engineering Insights

Alternative Models & Compatibility

The FR-CS84-295-60 represents a modernized path for systems previously running on discontinued FR-E740 or FR-S540 units in standard V/F or basic vector applications. Note that the physical size and footprint may vary; the CS80 is optimized for maximum vertical space saving. Confirm existing parameter settings when migrating, as parameter structures and address mappings correspond to newer Mitsubishi control profiles.

Application Pitfalls & Engineering Notes

When using this drive under continuous duty at elevated switching carrier frequencies (above standard defaults), the output current limits must be derated from 29.5 A down to 25.1 A to prevent premature thermal overload trips. Always ensure the internal cooling fan is clean and has adequate ventilation clearances on the top and bottom of the drive (minimum of 5 cm spacing in the enclosure).

Commissioning & Wiring Tips

To eliminate electromagnetic interference (EMI) issues, run control logic wiring separately from the high-voltage motor output lines (minimum 10 cm separation). Always utilize twisted, shielded instrumentation cable for any analog reference signals connected to terminal 2 and 4, ensuring the shield is grounded at the VFD end only.

Installation Guidelines

CRITICAL WARNING: Hazardous voltages remain present on the internal DC bus capacitors for several minutes after the main power is disconnected. Never work on the terminal blocks or internal circuitry until you have confirmed with a digital multimeter that the voltage across terminals P/+ and N/- is safely discharged. Failure to do so may result in severe shock or equipment destruction.
1

Mount the inverter vertically on a flat, non-flammable back panel within a clean, dust-free industrial enclosure.

2

Connect the physical ground wire to the PE terminal before completing any electrical supply connections.

3

Verify that the line voltage matches the rated range of 380 to 480 V AC, and connect supply lines to terminals R/L1, S/L2, and T/L3.

4

Establish output wiring from terminals U, V, and W directly to the motor, ensuring no power factor capacitors are in line.

What is the primary function of the FR-CS84-295-60 inverter?

It is a variable frequency drive used to control the speed and torque of three-phase induction motors up to 15 kW in industrial applications.

Why are there two different rated current values listed in the specifications?

The normal rating is 29.5 A. If the switching carrier frequency is increased to minimize acoustic motor noise, the drive must be derated to 25.1 A to manage internal thermal generation.

Does this model support Modbus RTU communications?

Yes, the FREQROL-CS80 series includes built-in RS-485 communication options supporting Modbus RTU protocol for remote monitoring and control.

What type of wire is recommended for the control terminals?

It is recommended to use flexible, stranded wires with a cross-sectional area between 0.3 and 1.25 mm2. Ensure to use ferrules for clean insertion into the spring clamp terminals.

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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