Description
3 HP 56Y Frame Dual-Voltage 3-Phase Motor for Pool & Spa Equipment
Meet the durable, dual‑voltage 3‑phase induction motor from A.O. Smith / Century Electrical. Designed for pool and spa pumps, HVAC components, and light industrial drives, this 56Y frame motor runs at a steady 3450 RPM with a 1.15 service factor for reliable performance across variable workloads.
- Horsepower: 3 HP
- Frame: 56Y
- Speed: 3450 RPM
- Voltage: Dual voltage 200-230 V / 460 V (three-phase)
- Max Amps: 9.7 A at 200-230 V; 4.9 A at 460 V
- Service Factor: 1.15
- Protection: No built-in overload protector; external protection required (starter, relay, or VFD recommended)
- Mounting: 56Y frame with square flange mounting for straightforward alignment with standard drives and equipment
- Connector / Shaft Details: Connector diameter 29; Approx. AG 12-7/32
- Brand & Reliability: From trusted A.O. Smith / Century Electrical, known for pool and spa motors and robust service
This motor is ideal for pumps and pumping stations, air handlers, fans, small conveyors, and light‑duty agitator-driven machinery in pool and spa systems, HVAC, and related settings. Because there is no internal overload protector, pair this unit with an appropriate starter or VFD to enable soft‑start, protection, and precise speed control. The dual‑voltage capability reduces the need to reorder components for different electrical setups, while the 56Y frame ensures compatibility with common OEM mounting patterns and shaft alignments. Plan for enclosure and cooling considerations based on your application environment to maintain optimal performance and longevity.
Meet the Motor 3 HP, 56Y frame—a durable, dual-voltage, 3-phase induction motor engineered to keep industrial equipment running smoothly. With a steady 3450 RPM and a 1.15 service factor, this unit delivers consistent torque for pumps, fans, conveyors, and other machinery, even when workloads fluctuate.
Core specifications at a glance
- Horsepower: 3 HP
- Frame: 56Y
- Speed: 3450 RPM
- Voltage: 200-230/460 V (dual-voltage)
- Max Amps: 9.7 A at 200-230 V / 4.9 A at 460 V
- Service Factor: 1.15
- Overload Protector: None (external protection required)
- Approx. AG: 12-7/32
- Connector Dia: 29
Why this motor stands apart
Designed to fit with common drive systems, the 56Y frame provides straightforward mounting and compatible shaft alignment with standard equipment builds. The dual-voltage capability means you can power it from available electrical infrastructure without reordering components. The 1.15 service factor gives you a buffer to handle brief overloads—helpful in startup surges or momentary demand spikes—without sacrificing long-term reliability.
Note about protection: with no built-in overload protector, plan for appropriate motor starters, overload relays, or a Variable Frequency Drive (VFD) that matches your voltage and application. This flexibility is ideal for OEMs and service technicians who need a motor that scales with their control strategy.
Ideal applications and use cases
Perfect for light-to-moderate industrial tasks where a dependable, readily available motor is essential. Typical use cases include:
- Pumps and pumping stations that run on 200-230 V or 460 V three-phase power
- Air handlers, fans, and blowers in HVAC or process cooling systems
- Small conveyors, belt drives, and material-handling equipment
- Mixers, agitators, and light-duty agitator-driven machinery
Practical tips for installation and optimization
- Verify your electrical supply and select the appropriate voltage setting for 200-230 V or 460 V operation to optimize efficiency and current draw.
- Pair with a suitable starter or VFD to enable soft-start, protection, and precise speed control, especially since there is no built-in overload protector.
- Match mechanical mounting to the 56Y frame pattern to ensure proper alignment with couplings and belts.
- Consider enclosure and cooling needs based on your application; higher ambient temperatures or enclosed spaces may impact performance.