Hersteller: Mitsubishi Electric
Produkt-Nr.: FR-A840-00310-2-60
Herkunftsland:Vereinigte Staaten
Produkttyp: Variable Frequency Drives
Zahlung: T/T, Western Union
Gewicht: 8300g
Versandhafen: Xiamen
Garantie: 12 Monate
Delivering exceptional motor control and energy efficiency in high-demand environments, the Mitsubishi Electric FR-A840-00310-2-60 is a three-phase, 400V class variable frequency drive engineered for the FR-A800 Series control platform. Featuring advanced vector control algorithms and a robust IP20 protective structure, this inverter is designed to drive induction and permanent magnet motors with high precision. This specific model features factory-applied conformal circuit board coating (suffix -60) to protect internal electronics against dust, humidity, and corrosive atmospheric contaminants, making it highly reliable for heavy industrial environments.
| Parameter | Specification Value |
|---|---|
| Manufacturer | Mitsubishi Electric |
| Model Number | FR-A840-00310-2-60 |
| Product Series | FR-A800 |
| Voltage Class | 400 V Class (Three-Phase) |
| Rated Input AC Voltage | 380 to 500 V AC, 50Hz / 60Hz |
| Permissible AC Voltage Fluctuation | 323 to 550 V AC, 50Hz / 60Hz |
| Permissible Frequency Fluctuation | +/-5% |
| SLD Rated Inverter Current | 31.0 A |
| Type Designation | -2 (CA Type) |
| PCB Construction | With circuit board coating (-60), without plated copper conductor |
| Cooling System | Forced Air Cooling |
| Protective Structure | IP20 (Enclosed Type) |
| Ambient Operating Temperature | -10 to 50 degC (LD/ND/HD ratings), -10 to 40 degC (SLD rating) |
| Net Weight | 8.3 kg |
| Shipping Weight (Calculated) | 11.0 kg |
| Terminal Group | Function / Circuit Assignment |
|---|---|
| R/L1, S/L2, T/L3 | Three-phase AC power input connections |
| U, V, W | Three-phase output terminals to induction or PM motor |
| P/+, PR, N/- | Brake resistor and DC link connections (external brake options) |
| S1, S2, SC | Safety stop input circuit terminals (dual channel safety cut-off) |
| Control Terminals | Programmable digital inputs, analog frequency setting, and relay outputs |
The FR-A840-00310-2-60 belongs to the premium FR-A800 generation, directly succeeding older FR-A740 models. Parameter migration can be executed smoothly using the FR Configurator2 software tool. Note that because of changes in footprint dimensions and terminal spacing between generation series, physical cabinet layout verification is required when retrofitting existing backplates.
When utilizing the drive in its Super Light Duty (SLD) rating of 31.0A for centrifugal loads, the permissible ambient temperature drops to 40 degC without derating. If the drive is integrated inside a tightly sealed NEMA/IP cabinet where temperatures can reach 50 degC, you must calculate thermal dissipation carefully or utilize the standard Light Duty (LD) or Normal Duty (ND) current curves to avoid overtemperature trip alarms (such as E.THT).
To prevent common EMC interference issues with nearby instrumentation, ensure motor cables are shielded and terminated with low-impedance earthing clamps at both the drive ground plate and the motor terminal box. Always keep the safety bypass jumpers intact across S1-PC and S2-PC if safety circuits are not connected; removing these jumpers without a dedicated safety relay will trigger an immediate E.SAF fault, halting the drive operation.
Disconnect all electrical input lines and verify zero voltage on the DC bus link terminals (P/+ to N/-) using a verified voltmeter before performing any wiring, terminal changes, or internal component replacements. The internal capacitors store high-voltage charges that require up to 10 minutes to safely bleed down after primary de-energization.
Mount the VFD vertically on a flat, non-flammable vertical backplate to optimize convection and airflow paths through the heat sink.
Maintain safe spacing of at least 50mm on each side and 100mm above and below the unit to ensure adequate forced air intake and discharge pathways.
Ensure the protective earth (PE) grounding conductor is securely connected to the designated ground lug, using the thickest gauge copper wire permissible under local code requirements.
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|
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