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FRA540L750KNA
The Mitsubishi FRA540L750KNA is a robust, high-capacity inverter tailored for demanding industrial applications. It is rated for up to 1150 HP under constant torque conditions and 1250 HP under variable torque, making it highly suitable for various motor types.
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Technical specifications for FRA540L750KNA
| Manufacturer | Mitsubishi |
|---|---|
| Product Type | High-capacity inverter |
| Product Line | FREQROL FR-A5 |
| Part Number | FRA540L750KNA |
| Weight | 32.00 lbs (14.51 kg) |
| Control Options | V/F control or advanced magnetic flux vector control |
| Power Rating | 1150 HP (constant torque), 1250 HP (variable torque) |
| Motor Compatibility | 750 kW for constant torque, 800 kW for variable torque |
| Input Voltage Tolerance | 323–528V AC, 50/60 Hz |
| Output Voltage Specification | 3-phase, 380–480V at 50/60 Hz |
| Frequency Range | Adjustable between 0.2 and 400 Hz |
| Current Rating | 1440 A for constant torque, 1534 A for variable torque |
| Overload Handling Capability | 150% for 60 seconds, 200% for 0.5 seconds (constant torque); 120% for 60 seconds (variable torque) |
| Cooling System | Air-forced cooling |
| Protective Classification | Open type, rated as IP00/IP20 |
| Operating Temperature Range | -10°C to 50°C (for constant torque mode) |
| Acceleration/Deceleration Time | Configurable from 0 to 3600 seconds, with linear or S-curve options |
| Torque Boost Feature | Boost adjustment available manually |
The Mitsubishi FRA540L750KNA high-capacity inverter is engineered for substantial power control and provides exceptional performance across various applications. Weighing approximately 1100 kg (2420 lbs.), this inverter can supply power ratings of 1150 HP for constant torque applications and 1250 HP for variable torque operations.
It is designed to meet diverse operational requirements, supporting motor compatibility up to 750 kW for constant torque and 800 kW for variable torque. The input voltage tolerance spans 323 to 528V AC and operates at standard frequencies of 50/60 Hz, while the output maintains a 3-phase voltage from 380 to 480V.
Adjustable frequency settings from 0.2 Hz to a maximum of 400 Hz allow flexible control, and its current capability reaches 1440 A for constant torque outputs and 1534 A for variable torque setups. This inverter is equipped to withstand overload conditions, offering 150% current handling for 60 seconds and even 200% for brief intervals of 0.5 seconds under constant torque conditions; variable torque handling supports 120% for a similar duration.
Equipped with an air-forced cooling system, the FRA540L750KNA maintains operational efficiency. Operating effectively in temperatures ranging from -10°C to 50°C for constant torque, it features acceleration and deceleration times that can be configured from 0 to 3600 seconds. Users can select between linear or S-curve options depending on application needs, and a torque boost functionality is available for manual adjustment, allowing for optimized performance in complex scenarios.
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