Manufacturer: Mitsubishi Electric
Product No.: FR-A820-22K-1
Country of origin:Съединени щати
Product Type: Variable Frequency Drives
Payment: T/T, Western Union
Weight: 15000g
Shipping port: Xiamen
Warranty: 12 months
Managing heavy-duty motor control within demanding industrial environments is the primary role of the Mitsubishi Electric FR-A820-22K-1 variable frequency drive. Operating on a 200V class three-phase input, this premium FR-A800 Series inverter delivers an ND (Normal Duty) rated capacity of 22 kW, making it suitable for high-torque applications. Equipped with an FM-type monitor terminal and integrated RS-485 serial communication, the unit enables real-time drive diagnostics and integration into centralized control networks. Its robust mechanical housing is built to withstand rigorous factory conditions while optimizing thermal dissipation.
| Specification Parameter | Technical Value |
|---|---|
| Manufacturer | Mitsubishi Electric |
| Model Number | FR-A820-22K-1 |
| Series | FR-A800 Series |
| Voltage Class | 3-Phase 200V Class (200V to 240V AC, 50Hz/60Hz) |
| Rated Capacity (ND) | 22 kW |
| Communication Interface | RS-485 / FM Type terminal configuration |
| Enclosure Rating | Open type (IP00) |
| Cooling Method | Forced air cooling |
| Operating Temperature | -10 degC to 50 degC (non-freezing) |
| Actual Net Weight | 15.0 kg |
| Shipping Weight (Calculated) | 20.0 kg |
| Terminal / Port | Functional Assignment |
|---|---|
| R/L1, S/L2, T/L3 | Three-phase AC power input terminals |
| U, V, W | Three-phase AC motor output terminals |
| FM | Pulse train/analog monitor output terminal |
| SD | Common terminal for control circuits and RS-485 isolation |
| TXD+/RXD+ | RS-485 differential communication channels |
When migrating legacy systems from the older FR-A720-22K series to the FR-A820-22K-1, ensure you map the terminal configurations accurately. While the mounting dimensions are highly compatible, parameter structures differ. Use FR Configurator2 software to perform a automated parameter conversion. Pay careful attention to the FM terminal output settings; the standard FM pulse frequency scaling may require adjustments to match your existing analog panel meters.
Under continuous high-load applications, this 15 kg inverter generates considerable thermal dissipation. Enclosure design must accommodate at least 150W of continuous heat output from the drive’s internal heat sink. Maintain a minimum clearance of 10 cm above and below the drive. For enclosed panel installations, we recommend routing the heatsink portion through the back of the panel (external mounting) to preserve the interior thermal budget of the control cabinet.
To eliminate electromagnetic interference (EMI) on the RS-485 communication bus, always utilize shielded twisted-pair (STP) cabling. Connect the shield braid strictly to the physical ground terminal at the drive end only. Avoid routing control circuit wiring in the same conduit or parallel cable tray as the main R/L1-S/L2-T/L3 input lines. Always maintain a minimum separation distance of 30 cm between high-power supply cables and low-voltage control signals.
Mount the inverter vertically on a non-flammable backplate (such as steel or concrete) using the specified M8 mounting bolts torqued to 4.0 N-m.
Connect the physical protective earth (PE) ground conductor to the dedicated grounding terminal prior to connecting any primary input lines.
Wire the main three-phase power input to terminals R/L1, S/L2, and T/L3. Ensure proper phase rotation matches your control sequence.
Connect the motor leads to terminal outputs U, V, and W. Do not connect power lines to these terminals as this will cause catastrophic drive failure.
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| Country of origin |
Съединени щати
|
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