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FRA540L600KNA
The Mitsubishi FRA540L600KNA is a high-capacity inverter designed for demanding motor applications. It accommodates a power supply voltage range of 380 to 480 volts at 50/60 Hz and operates in both constant torque (CT) and variable torque (VT) modes.
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Technical specifications for FRA540L600KNA
| Manufacturer | Mitsubishi |
|---|---|
| Product Type | High-capacity inverter (CT/VT modes) |
| Product Line | FREQROL FR-A5 |
| Part Number | FRA540L600KNA |
| Weight | 32.00 lbs (14.51 kg) |
| Power Supply Voltage | 380–480 V, 50/60 Hz |
| Protective Structure | Open type (IP00/IP20) |
| Cooling Method | Forced air |
| Motor Capacity | 600 kW (CT), 670 kW (VT) |
| Rated Capacity (HP) | 800 HP (CT), 900 HP (VT) |
| Rated Current | 1152 A (CT), 1296 A (VT) |
| Voltage/Frequency | Adjustable (0–400 Hz); CT/VT modes |
| Frequency Accuracy | ±0.2% (analog), ±0.01% (digital) |
| Starting Torque | 150% at 0.5 Hz |
| Torque Boost | Manual |
| Accel/Decel Time | 0–3600 sec; linear or S-curve |
| DC Dynamic Brake | 0–120 Hz, 0–10 sec, 0–30% voltage |
| Overload Capacity | 150% (CT), 120% (VT) for 60 sec |
| Ambient Temperature | -10°C to 50°C (CT), -10°C to 40°C (VT) |
Mitsubishi's FRA540L600KNA is a robust, high-capacity inverter that efficiently manages significant loads. Designed for 3-phase power supply applications, it operates on an input voltage spectrum of 380 to 480 V and works effectively across a frequency range of 50/60 Hz. The inverter is structured with an open-type protective design rated at IP00/IP20, making it suitable for various industrial environments. It utilizes a forced-air cooling method to maintain optimal operating temperatures.
This inverter supports substantial motor capacities, rated at 600 kW in constant torque (CT) mode and 670 kW in variable torque (VT) mode. The corresponding rated capacities translate to 800 HP for CT and 900 HP for VT, which can efficiently power heavy machinery. It can handle a continuous rated current of 1152 A when configured for CT mode and reach 1296 A in VT configurations.
The FRA540L600KNA offers adjustable voltage and frequency settings, enabling users to tailor performance to specific application needs. It offers flexibility from 0 to 400 Hz. The inverter provides impressive frequency accuracy, with ±0.2% for analog signals and a tighter ±0.01% for digital formats, ensuring precision in operation.
Among its capabilities, the inverter can deliver a starting torque of 150% at 0.5 Hz and allows for manual torque boosting, facilitating smoother initial starts. The configuration of acceleration and deceleration times is also customizable, spanning from 0 to 3600 seconds with options for linear or S-curve profiles.
The device features a DC dynamic brake function, operable within the 0–120 Hz range, which can be adjusted for effective braking over periods of 0 to 10 seconds while applying up to 30% of rated voltage. Additionally, it has an overload capacity of 150% for CT modes and 120% for VT modes over a maximum duration of 60 seconds. Operating temperatures are rated between -10°C and 50°C for CT and -10°C and 40°C for VT, making the FRA540L600KNA suitable for a variety of environments.
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