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Mitsubishi FREQROL FR-A5 FRA540L280KR1

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FRA540L280KR1

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Mitsubishi's FRA540L280KR1, part of the FREQROL FR-A5 series, is engineered for efficient motor control. This AC drive supports various control modes, including V/F mode and enhanced flux vector control, providing versatile operation for different applications.

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Technical specifications for FRA540L280KR1

ManufacturerMitsubishi
Product TypeAC drive for motor control
Product LineFREQROL FR-A5
Part NumberFRA540L280KR1
Weight32.00 lbs (14.51 kg)
Drive Control ModeV/F mode or enhanced flux vector control
Frequency Range0.2 Hz to 400 Hz
Motor Compatibility280 kW (constant torque), 375 kW (variable torque)
Operational Current547 A (constant torque), 722 A (variable torque)
Power Output Capacity450 HP (constant torque), 600 HP (variable torque)
Output Voltage RangeThree-phase, 380V to 480V, 50-60 Hz
Input Voltage Range323V to 528V AC, 50-60 Hz
Overload Rating150% for 60 seconds, 200% for 0.5 seconds (constant torque)
Cooling SystemAir cooling with forced circulation
Enclosure DesignOpen-frame configuration (IP00)
Equipment Mass235 kg (518.08 lbs)
Power Supply Requirement417 kVA (variable torque)
Operating Temperature Range-10°C to +50°C, non-freezing
Adjustable Ramp Times0 to 3600 seconds for acceleration and deceleration
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The Mitsubishi FRA540L280KR1 is a robust AC drive for motor control applications. This unit can handle a broad frequency range from 0.2 Hz to 400 Hz, making it versatile enough for varying operational requirements. It excels in compatibility with motors rated up to 280 kW for constant torque or up to 375 kW for variable torque.

In terms of performance, it delivers operational currents of up to 547 amps at constant torque and 722 amps at variable torque. The drive achieves impressive power output capacities of 450 horsepower (HP) when deployed in constant torque applications and up to 600 HP in variable torque scenarios. Its output voltage operates within the three-phase range of 380V to 480V at frequencies of 50 to 60 Hz.

The FRA540L280KR1 can accept input voltages from 323V to 528V AC, ensuring compatibility with various power systems. An overload rating allows 150% for up to 60 seconds and 200% for 0.5 seconds under constant torque conditions, providing operational flexibility during peak demand periods. The air cooling system with forced circulation ensures the unit maintains appropriate operating temperatures during extended use.

This AC drive is constructed in an open-frame configuration (IP00) and weighs approximately 235 kg (518.08 lbs.). This configuration facilitates panel mounting while providing easy access to components. The power supply requirement is calculated at 417 kVA for variable torque applications.

The operating temperature range is between -10°C and 50°C, ensuring performance without freezing under varying environmental conditions. Additionally, users can adjust ramp times for acceleration and deceleration between 0 and 3600 seconds, allowing for customized motor control during operation.