• Attic Fan, Split Phase Motors
• Open Air Over, Resilient Base Motors
• Variable torque on two speed motors
• 48Y frame has 48/56 frame mounting holes
• 56YZ frame with 3” shaft height, 1/2” diameter shaft, and 5/8” adapter with keyway included
• UL recognized and CSA certified
• Auto overload
• Model 048S17D7209