Overview Product Description Marathon B193 Fan and Blower Motor Applications: Commercial and industrial fans and blowers that require moderate starting torque and are installed in relatively clean and dry environments where three phase power is available. Features: Squirrel Cage Induction Run,Ball bearings, Heavy gauge steel frame and resilient "cradle" style base, Automatic reset thermal protector, NEMA Service Factors, Nameplated 60/50 Hz at next lower horsepower, Patented VCD Voltage Change Device where footnoted "VC", UL Recognized and CSA Certified 3 HP 3450 RPM 208-230/460 Volts 56HZ Frame 56HZ with 7/8" shaft dia., 3-1/2" shaft height, and slotted 56 frame base Auto Overload 8.9-8.4/4.2 amps 1.15 Service Factor SINGLE SPEED DRIP PROOF RESILIENT BASE REVERSIBLE 0.625" X 2.28" SHAFT (SPECIAL EXTENSION) C-DIMENSION 12.22" Cross Reference:56T34D5357 Product Videos Custom Field Product Reviews