PN: VT130H9U4055. Item Number: VT130H9U4055. H9 ADJUSTABLE SPEED DRIVE 460V, 5HP. Powerful Heavy Duty Performance separates the H9 from the competition. Toshiba’s motor-over-flux braking technology allows the H9 to provide as much as 25% of its rated power for use in stopping a heavy or high inertia load without the use of a dynamic braking resistor.