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Mitsubishi FREQROL FR-A7 FR-AF740-10940-EC

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FR-AF740-10940-EC

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The FR-AF740-10940-EC is a Mitsubishi inverter from the FREQROL FR-A7 series, designed to handle significant motor capacities of up to 450 kW. This three-phase inverter operates efficiently from a voltage range of 380 to 480 Volts AC.

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Technical specifications for FR-AF740-10940-EC

ManufacturerMitsubishi
Product LineFREQROL FR-A7
Part NumberFR-AF740-10940-EC
Weight800.00 lbs (362.87 kg)
Cooling SystemForced air
FanNot included
EnclosureOpen type
SpecificationsU.S. specifications
DescriptionInverter
Applicable Motor Capacity450 kW
Rated Capacity660 kVA
Rated Current1094 Amps
Overload Current Rating110% for 60 seconds; 120% for 3 seconds at 40°C ambient temperature
Rated Voltage380 to 480 Volts AC
PhaseThree-phase
Regenerative Torque10% torque and continuous
Brake TransistorNot included
Power Supply Capacity660 kVA
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The Mitsubishi FR-AF740-10940-EC is engineered as an advanced inverter that can accommodate motor capacities up to 450 kW, making it suitable for a variety of industrial applications. It offers a substantial rated voltage range of 380 to 480 Volts AC and operates effectively within three-phase power systems.

With a rated capacity of 660 kVA, it delivers a robust rated current of 1094 Amps, ensuring efficient operation under various loads. For enhanced performance, the inverter supports an overload current rating of 110% for 60 seconds and 120% for a brief period of 3 seconds when the ambient temperature is maintained at 40°C.

The device is constructed without an integrated fan; however, it utilizes a forced air cooling system to maintain optimal operating temperatures. Additionally, the FR-AF740-10940-EC features an open-type enclosure, complying with U.S. specifications for various installations.

Despite its heavy-duty specifications, the unit weighs 370 Kg, ensuring it is designed with durability in mind. Its regenerative torque feature provides 10% continuous torque for enhanced control over operations. This inverter is built without a brake transistor, focusing on its core functionalities of controlling and managing AC power effectively.