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Mitsubishi FREQROL FR-A7 FRA72000050N4

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FRA72000050N4

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The FRA72000050N4 is a robust variable frequency drive from Mitsubishi's FREQROL FR-A7 series. With a rated power of 5.5 kW (or 7.5 HP) and a rated current of 13A, this drive operates efficiently across a voltage range of 380-480V AC using a three-phase supply.

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Technical specifications for FRA72000050N4

ManufacturerMitsubishi
Product LineFREQROL FR-A7
Part NumberFRA72000050N4
Weight10.00 lbs (4.54 kg)
DesignRSV in LD/SLD mode
External InputsExternal thermal relay input selection
Restart CapabilityAutomatic restart after instantaneous power failure
Protection FunctionsOvercurrent, Overvoltage, Thermal operation, Heatsink overheat
Operation ModesOffline auto-tuning, Online auto-tuning, PID control
Cooling MethodForced air cooling
Communication ProtocolModbus RTU
Control MethodSoft-PWM control, High carrier frequency PWM control
Protection RatingIP20
Network Frequency50/60 Hz
Overload Current Rating150% for 60 seconds, 200% for 3 seconds (Normal Duty)
Output Frequency0.2-400 Hz
Rated Current13A
Rated Power5.5 kW (7.5 HP)
Input Voltage380-480V AC (3-phase)
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Mitsubishi's FRA72000050N4 from the FREQROL FR-A7 series is engineered for advanced motor control applications. It provides a broad rated power of 5.5 kW (equivalent to 7.5 HP) alongside a robust input voltage range of 380-480V AC configured for three-phase operation. The drive exhibits a rated current of 13 amps and maintains operational versatility with an output frequency range from 0.2 Hz to 400 Hz.

Protection is a key feature, with integrated mechanisms against overcurrent, overvoltage, and thermal incidents, including overheating the heatsink. This unit operates in multiple modes, including offline and online auto-tuning and PID control to ensure precise motor performance. Its control system features soft-PWM control in conjunction with high carrier frequency PWM control for efficiency.

Communication is facilitated via the Modbus RTU protocol, allowing for easy integration with other systems. The design employs forced air cooling to manage thermal conditions effectively, ensuring the unit remains reliable under load. With an IP20 protection rating, this model is designed for use in non-hazardous indoor environments with minimal dust ingress. Additionally, it incorporates a restart capability after an instantaneous power failure, enhancing system resilience.