Whitlock Vacuum Power Unit Assembly: Whitlock Vacuum Power Unit: Model No. VTBB-10, S/N: 35B0268, 460V, 3PH, Nema: 12, 10A, 24VDC; Square D Safety Switch: 30A, 3PH, 600V; Whitlock Blower: S/N: 88M57243; WEG Severe Duty Motor: Model No. 01018EP3E215T, 10 HP, 460V, 1760 RPM, 25.5A