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Mitsubishi FREQROL FR-A7 FR-A740-75K

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FR-A740-75K

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The FR-A740-75K from Mitsubishi is a three-phase inverter designed for efficiency in various applications. It features a rated current of 144 Amps and operates within a voltage range of 380 to 480 Volts AC, suitable for equipment requiring regenerative torque.

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Technical specifications for FR-A740-75K

ManufacturerMitsubishi
Product LineFREQROL FR-A7
Part NumberFR-A740-75K
Weight110.00 lbs (49.90 kg)
Rated Current144 Amps
Overload Current Rating150% for 60s, 200% for 3s at ambient temperature of 50 degrees C
Rated Voltage380 to 480 Volts AC
PhaseThree-Phase
Regenerative Torque10% continuous torque
Brake TransistorNot included
Power Supply Capacity110 kVA
Cooling SystemForced Air
FanNot included
EnclosureOpen Type
SpecificationsU.S. Specifications
DeviceInverter
Applicable Motor Capacity75 kW
Rated Capacity110 kVA

The Mitsubishi FR-A740-75K is an inverter unit crafted for robust performance in industrial environments. With a designated rated current of 144 Amps, this device manages electrical input effectively while operating at a voltage range of 380 to 480 Volts AC. As a three-phase power device, it ensures smooth operation across various applications demanding increased efficiency.

This inverter is particularly capable when it comes to handling overload situations, achieving a rating of 150% for 60 seconds and 200% for just 3 seconds, all while maintaining a surrounding temperature of 50 degrees Celsius. It supports continuous regenerative torque of 10%, which is beneficial for applications requiring precise motor control.

Although the inverter does not include a brake transistor, it is optimized for use with motors up to 75 kW in capacity and boasts a total power supply capability of 110 kVA. The FR-A740-75K weighs approximately 50 Kg and utilizes a forced air cooling method to manage operating temperature effectively.

Designed with an open type enclosure, this inverter is both accessible and easy to integrate into existing systems. It adheres to U.S. specifications, ensuring compatibility and reliability in industrial applications. Overall, the FR-A740-75K provides vital control in various automation tasks.