Description
2 HP 56J Frame Electric Motor — 3450 RPM, 208-230/460V, Threaded Shaft
Powerful, compact, and versatile, this 2 HP AC motor is built for belt-driven pool and spa equipment, as well as workshop machines that demand reliable torque. With a 56J frame and a threaded shaft, it's easy to retrofit into existing installations for quick, dependable operation.
- Horsepower: 2 HP for robust belt-driven performance across pumps, fans, conveyors, and more.
- Voltage: Dual-voltage 208-230/460 V to fit different electrical setups without rewiring.
- Speed: 3450 RPM two-pole design at 60 Hz for smooth belt drives and quick startup.
- Frame: 56J frame — a standard footprint with broad compatibility for mounts and accessories.
- Shaft: Threaded shaft for secure pulley or sprocket attachment without adapters.
- Service Factor: 1.2, providing additional margin under starting surges and variable loads.
- Current Draw: Full-load amps of 8.6 A at 208-230 V or 4.3 A at 460 V for accurate power budgeting.
- Protection: External overload protection required; motor does not include an internal thermal protector.
- Dimensions: Approx. AG 11-5/16; Conn. Dia. 29 for planning fits and interfaces.
- Brand: from A.O. Smith / Century Electrical, a trusted name in pool, spa, and industrial motors.
This motor is ideal for pool circulation pumps, spa filtration and equipment, belt-driven fans, and compact industrial pumps where reliable, continuous operation matters. The dual-voltage capability helps you adapt to existing electrical infrastructure, while the threaded shaft simplifies pulley and belt assemblies and minimizes installation time. With the 56J frame, you’ll benefit from a familiar mounting pattern and a wide ecosystem of compatible components for maintenance and upgrades. Note external overload protection is required to safeguard windings and wiring, and ensure compliance with local electrical codes. In short, it’s a durable, versatile choice for technicians upgrading belt-driven systems in pool, spa, or workshop settings.
Key features
- Powerful performance: 2 HP, designed for durable, continuous operation in industrial and workshop environments.
- High-speed operation: 3450 RPM (two-pole at 60 Hz) for quick acceleration and efficient belt-driven drives.
- Dual-voltage flexibility: 208-230/460 V options to fit different electrical installations without rewiring.
- Efficiency and current: Full-load amps of 8.6 A at 208-230 V or 4.3 A at 460 V for sensible power budgeting.
- Frame and mounting: 56J frame, a standard size that fits many existing mounts and accessories.
- Shshaft design: Threaded shaft for secure pulley or sprocket attachment without adapters.
- Service factor: 1.2, providing a comfortable margin for startup surges and variable loads.
- Approx. AG and connection details: Approx. AG: 11-5/16; Conn. Dia.: 29 for planning fits and interfaces.
- Protector: None built-in, so plan for external overload protection in your control circuit.
Who it’s for
- Shop owners and fabricators upgrading or replacing belt-driven machinery needing dependable 2 HP power in a compact, standard frame.
- Equipment designers seeking a versatile motor with easy integration into existing 56J-mount setups.
- Facilities converting older 208-230 V lines to a single, dual-voltage drive without altering equipment footprints.
Practical uses and scenarios
- Conveyor systems in manufacturing or packaging lines requiring reliable, continuous torque at moderate speeds.
- Air handling or ventilation fans where a compact motor with a threaded shaft simplifies pulley and belt assembly.
- Industrial pumps and small machinery fed from 208-230 V or 460 V networks, offering flexibility for voltage availability.
- Woodworking and metalworking machines that benefit from a standard 56J frame and robust two-pole performance.
Installation and compatibility tips
Take advantage of the dual-voltage capability to match your electrical supply without hardware changes. Pair the threaded shaft with a compatible pulley or sprocket and secure it with the appropriate fasteners for vibration resistance. Because there is no built-in thermal protector, plan for an external overload protection device in the motor circuit and ensure proper wiring compliance with local electrical codes. With the 56J frame, you’ll find a broad ecosystem of compatible mounting brackets and accessory components to streamline installation and maintenance.
Why this 2 HP, 56J motor stands out
This motor combines classic reliability with practical versatility. The 3450 RPM speed is ideal for high-torque, belt-driven applications, while the 56J frame ensures broad compatibility with common mounting patterns. The dual-voltage design reduces the need for multiple stock SKUs, and the threaded shaft simplifies secure attachment of pulleys and gears. If your setup requires external protection, you’ll appreciate the straightforward integration path, balancing robust performance with configurable safety.
Ready to power your equipment with a proven 2 HP motor that adapts to your voltage and mounting needs? This 56J-frame solution delivers dependable performance, clear fitment, and the flexibility to match a wide range of industrial and workshop applications.