The AOS Motor 56FR is a compact, high-performance two-speed electric motor designed for pool, spa, and industrial drivetrains that demand both speed and torque on demand. Built on the reliable 56J frame, it combines easy mounting with precise control for demanding applications.
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Two-Speed Operation: 3450 RPM high speed for fast cycles and 1725 RPM low speed for torque-heavy tasks, enabling flexible process progression without swapping equipment.
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Electrical Specs: 230V operation with 16 A at high speed and 4.8 A at low speed, delivering responsive performance on standard electrical circuits.
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Thru-Bolt Mounting: Rigid, vibration-resistant thru-bolt design for secure installation in conveyors, gear-driven systems, and automation setups.
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Threaded Shaft: Quick, reliable coupling to pulleys, sprockets, or gearboxes, reducing setup time and maintenance requirements.
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Frame and Compatibility: Standard 56J frame for broad compatibility with housings, belts, and drive components, making upgrades or replacements straightforward.
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Power Rating and Reliability: 5.0 HP rating with a Service Factor of 1.00, offering dependable, everyday performance across varying workloads.
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Dimensions for Planning: Approx. AG 11-9/16 in and Connection Diameter 23 (as provided), helping you plan mounting envelopes and driveline alignment precisely.
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Brand Heritage: From A.O. Smith (AOS)/Century Electrical, a trusted name in robust motors with established support networks.
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Ideal Applications: Perfect for packaging lines, belt-driven conveyors, machine tools, pumps, fans, and automation setups where load varies and you need the option to slow down for heavy tasks or speed up for rapid throughput.
This motor delivers tangible value by aligning two-speed flexibility with a compact, thru-bolt design that simplifies integration into pool and spa systems as well as industrial drives. You gain adjustable torque and speed control in a single, reliable package, backed by a trusted brand and straightforward installation practices—ideal for equipment where dependable low-speed torque and high-speed performance are both essential.