Manufacturer: Mitsubishi Electric
Product No.: FR-A840-00250-2-60
Country of origin:Hoa Kỳ
Product Type: Variable Frequency Drives
Payment: T/T, Western Union
Weight: 9000g
Shipping port: Xiamen
Warranty: 12 months
Engineered for high-demand industrial speed and torque applications, the Mitsubishi Electric FR-A840-00250-2-60 is a premium FR-A800 Series variable frequency drive operating in the 400V voltage class. This standard-model inverter features specialized circuit board protective coating compliant with 3C2 specifications (without plated conductors) to ensure long-term reliability in corrosive, humid, or dusty environments. It supports advanced vector control methods to deliver precise motor dynamics for heavy-duty applications like cranes, extruders, and ventilation systems.
| Parameter | Specification |
|---|---|
| Manufacturer | Mitsubishi Electric |
| Model Code | FR-A840-00250-2-60 |
| Series | FR-A800 |
| Voltage Class | 400 V Class (3-phase 380 to 500 V AC, 50Hz/60Hz) |
| SLD Rated Current | 25.0 A |
| Control Method | V/F Control, Advanced Magnetic Flux Vector, Real Sensorless Vector |
| PCB Coating Type | Conformally Coated (Class 3C2), without plated conductor (-60) |
| Enclosure Rating | IP20 (Open Type) |
| Operating Temperature | -10 degC to 50 degC (non-freezing) |
| Device Net Weight | 6.7 kg |
| Shipping Weight (Calculated) | 9.0 kg |
| Terminal Symbol | Terminal Name | Functional Description |
|---|---|---|
| STF | Forward Rotation Start | Turn ON STF to start forward rotation; turn OFF to decelerate and stop. |
| STR | Reverse Rotation Start | Turn ON STR to start reverse rotation; turn OFF to decelerate and stop. |
| SD | Contact Input Common | Common terminal for contact input signals (sink logic standard). |
| 10 | Frequency Setting Power Supply | DC 10V output for analog speed reference potentiometers. |
| 2 | Frequency Setting (Voltage) | DC 0 to 5V or 0 to 10V analog speed command input. |
| 4 | Frequency Setting (Current) | 4 to 20 mA DC analog speed command input. |
The FR-A840-00250-2-60 is directly backward compatible with older FR-A740-00250-EC installations. Users migrating to the FR-A800 series must utilize FR Configurator2 to convert parameter settings, ensuring torque boost and motor tuning values map correctly to the updated algorithm structure.
When utilizing this inverter in closed cabinets, account for the 6.7 kg thermal footprint. Adequate airflow clearance must be maintained: 5 cm on both sides and 10 cm above/below the unit. Operating in temperatures exceeding 40 degC requires carrier frequency derating via Parameter 72 to prevent overtemperature tripping (E.THT or E.FIN).
Ensure that all analog control signals (terminals 2, 4, and 10) are wired with shielded, twisted-pair cables. Ground the shield exclusively at the drive-end SD terminal to prevent ground loops. Never route motor output leads (U, V, W) in the same conduit as control or communications cables.
Mount the inverter vertically to a flat, rigid metal backplate to ensure optimal heat dissipation and grounding path efficiency.
Connect the protective earth (PE) terminal to the system ground busbar using low-impedance braided strap or green-and-yellow grounding conductor.
Wire the three-phase AC input to R/L1, S/L2, T/L3, and connect the motor leads to U, V, and W. Do not install a power factor correction capacitor on the output side.
Establish control wiring loop via standard sink logic or switch to source logic configuration utilizing the internal jumper block as specified by system drawings.
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Trả hàng & Bảo hành
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| Country of origin |
Hoa Kỳ
|
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