• FARM DUTY, PSC MOTORS • TEAO, RESILIENT BASE - THRU BOLT • VARIABLE SPEED MOTORS • APPLICATIONS: Designed for demanding agricultural fan applications such as poultry houses and barn exhaust fans. Must be mounted within the airstream for proper cooling. Variable speed capabilities when used with a single phase speed control unit – NOT supplied. Super variable speed motors, catalog X030, X031, and X032, are designed for lower temperature rise throughout a greater speed range. • FEATURES: • Ball bearings • Continuous duty • Extended thru-bolts • Automatic reset thermal protector • Fully gasketed • 48/56 Frame mounting holes • 1/2” dia. x 2-1/2” long shaft with two flats, 90º apart • UL recognized and CSA certified • Model 048A17T237