T300MV2® F4-OA

Toshiba’s T300MV2® F4-OA redefines medium voltage drive performance with an industry-first cooling design that pairs an indoor drive with external ductwork for enhanced efficiency. By using filtered outside air to cool the inverter’s power modules, heat is removed before it enters the equipment room, reducing HVAC requirements and lowering operating costs. This innovative approach minimizes both facility infrastructure demands and ongoing operating expenses, setting a new standard for cost-effective thermal management. Built on Toshiba’s proven drive technology, the F4-OA enables accurate control of induction and synchronous AC motors in critical industrial applications.

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Overview

Reduced Total Cost of Ownership

Outdoor air cooling removes most inverter heat, minimizing HVAC demand by lowering energy consumption, reducing facility investment, and cutting long-term operating costs.

 

Innovative Cooling Design

A fully enclosed cooling cabinet shields critical power components from contaminants while leveraging outside-air cooling for superior thermal performance.

 

Lower HVAC Maintenance

With less reliance on facility AC equipment, facility HVAC systems can operate with less stress, resulting in fewer failures, lower maintenance costs, and reduced unplanned downtime.

 

Wide Ambient Inlet Range

The power module cooling system inlet air is rated for –45°C to 50°C ambient temperatures, supporting consistent operation across environments as varied as arctic and desert environments.

Insulated Bearings

  • An electric motor operating on an adjustable speed drive is at risk for premature bearing failure caused by stray currents. Experience indicates using insulated bearings on both ends of the motors is the most effective way to protect the motor from destructive currents. A high level of bearing protection is especially beneficial in applications where motor maintenance and replacement are difficult.
  • Extended Horsepower Capability

  • Extended horsepower capability allows a smaller motor to run at a higher horsepower than its baseline depending on the application requirements. This provides motor users potential cost savings while achieving the same motor performance.
  • Insulation with Wide Thermal Capability

  • Critical cooling motors utilize many Class H insulation materials in its winding designs, which provides increased thermal protection. These motors operate with a very low temperature rise at rated conditions, giving them a wide thermal margin and extended motor life.
  • Low Vibration

  • A vibration level exceeding NEMA MG1 requirements provides stability and durability by prolonging motor and bearing life and helping to reduce downtime.
  • Specifications

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