Hersteller: Mitsubishi Electric
Produkt-Nr.: FR-E740-7.5K
Herkunftsland:Vereinigte Staaten
Produkttyp: Variable Frequency Drives
Zahlung: T/T, Western Union
Gewicht: 5600g
Abmessungen: 25.0 cm x 31.0 cm x 36.0 cm
Versandhafen: Xiamen
Garantie: 12 Monate
Engineered for highly precise motor speed regulation, the Mitsubishi Electric FR-E740-7.5K variable frequency drive delivers robust torque performance in heavy-duty mechanical environments. This compact unit supports advanced magnetic flux vector control, allowing it to supply optimal torque even at lower operating frequencies. Outfitted with comprehensive protective circuits and an integrated PID controller, this drive is suited for seamless integration into industrial control systems requiring dependable mechanical speed modulation and direct fieldbus communication.
| Specification Parameter | Value / Detail |
|---|---|
| Manufacturer | Mitsubishi Electric |
| Model Number | FR-E740-7.5K |
| Series Name | FREQROL-E700 |
| Applicable Motor Capacity | 7.5 kW |
| Rated Capacity | 13 kVA |
| Rated Current | 17 A |
| Rated Voltage Range | Three-phase 380 to 480 V AC (50 Hz / 60 Hz) |
| Voltage Fluctuation Range | 325 to 528 V AC |
| Output Frequency Range | 0.2 to 400 Hz |
| Overload Current Rating | 150% for 60 seconds, 200% for 3 seconds |
| Cooling System | Forced Wind Cooling (Internal fan) |
| IP Rating | IP20 (Closed type) |
| Operating Ambient Temperature | -10 degC to +50 degC (non-freezing) |
| Operating Ambient Humidity | 90% RH or less (non-condensing) |
| Physical Weight | 3.2 kg |
| Shipping Weight (Calculated) | 5.6 kg |
| Package Dimensions (Calculated) | 25.0 cm x 31.0 cm x 36.0 cm |
| Country of Origin | Japan |
| Terminal Designated Label | Functional Circuit Assignment |
|---|---|
| R/L1, S/L2, T/L3 | Three-phase AC power input (380 to 480 V) |
| U, V, W | Three-phase AC output connection to motor |
| Terminal 2 | Analog input channel 1 (0 to 10 V DC or 0 to 5 V DC selectable) |
| Terminal 4 | Analog input channel 2 (4 to 20 mA DC or 0 to 10 V DC selectable) |
| Multi-Input Terminals (7 pts) | Programmable inputs: Multi-speed selection, jog, forward/reverse, reset |
| A, B, C Relay | Fault alarm output relay (C-contact configuration) |
| RJ-45 Port | Integrated RS-485 serial communication port |
When replacing an legacy FR-E500 series drive with the FR-E740-7.5K, pay close attention to the structural depth dimensions. While mounting screw alignments align well with standardized spacing, the E700 series unit possesses an altered footprint depth. Additionally, the control terminal blocks on the FR-E700 series are removable and utilize different terminal assignments. Existing control wire looms must be verified pin-by-pin against the schematic to prevent auxiliary I/O miswiring.
Operating the drive continuously under high-load conditions at low output frequencies (below 6 Hz) reduces internal fan efficiency. This can trigger thermal overload protection codes (E.THT or E.THT2). If slow-speed operation is mandatory, you must use a specialized inverter-duty motor equipped with independent auxiliary cooling or derate the continuous torque limit of the system. For applications with rapid deceleration steps, connect an external braking resistor across terminals PR and PX to prevent E.OV3 (deceleration overvoltage) trip faults.
To ensure stable analog frequency signals, route all control terminal cabling (especially Terminals 2 and 4) using twisted-shielded copper conductors. Ground the shield at the drive's control-common terminal block only. Do not mix signal cabling with power lines (U, V, W or R, S, T) in the same conduit. Maintain a separation gap of at least 10 cm between signal and power lines to suppress industrial EMF noise in 4-20mA loop configurations.
Isolate and disconnect all incoming AC power sources before attempting installation, mounting, or wiring of this device. Allow a minimum of 10 minutes for internal capacitors to fully discharge. Verify zero potential voltage across all power terminals using a calibrated multimeter before proceeding with handling.
Mount the inverter vertically on a flat, non-combustible surface (such as a metal enclosure backplate) to guarantee efficient convection airflow. Maintain a minimal clearance of 50 mm above and below, and 5 cm to the sides of the drive housing.
Connect the three-phase 400V AC main source leads directly to terminals R/L1, S/L2, and T/L3. Never connect mains power to output terminals U, V, and W, as this will result in immediate internal destructive damage.
Route the motor connection wires from U, V, and W directly to the motor terminal box. Verify proper system grounding by connecting the ground terminal of both the inverter and the motor structure to the main protective earth (PE) bus.
Plug in the configuration panel, complete parameter setups for motor parameters (Pr. 9 electronic thermal protection and Pr. 71 motor type), and execute an offline auto-tuning sequence for optimal control dynamics.
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| Country of origin |
Vereinigte Staaten
|
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