FR-A520-3.7K

Mitsubishi's FR-A520-3.7K is a transistorized inverter designed to provide precise control in motor applications. It has an applicable motor capacity of 3.7 kW, making it well-suited for 4-pole standard motors. The rated output capacity stands at 6.7 kVA with an output current reaching up to 17.5 A. This unit offers significant overload capabilities, supporting a rating of 150% for up to 60 seconds and 200% for 0.5 seconds. It features an output voltage range for three-phase systems of 200-220V at 50Hz and 200-240V at 60Hz, ensuring compatibility with different electrical setups.

The permissible voltage fluctuations extend from 170 to 242V at 50Hz and 170 to 264V at 60Hz, providing a broader operating range for reliable performance. Users can select between V/F control and advanced magnetic flux vector control systems, enabling tailored operations based on specific requirements. The output frequency is adjustable, ranging from 0.2 to 400 Hz, allowing for enhanced versatility in various applications. Starting torque is rated at 150% at 0.5 Hz when utilizing the advanced control mode, demonstrating its efficiency during startup phases.

A forced air cooling system manages cooling, ensuring optimal thermal conditions are maintained during operation. The unit is housed in an IP20 enclosed protective structure, safeguarding internal components. This inverter operates effectively within an ambient temperature range of -10°C to +50°C. Additionally, it weighs approximately 3.5 kg, making installation and handling manageable.