Description
1 HP 3450 RPM Dual-Voltage AC Induction Motor, 48Y Frame (Part 20-1040)
Part Number 20-1040 is a compact, dependable 1 HP AC induction motor designed for real-world industrial duty. This two-pole unit runs at 3450 RPM and offers dual-voltage operation (115/230 VAC) for flexible installation across varying power supplies, making it an ideal choice for conveyors, pumps, and fans in pool, spa, and industrial settings.
- HP: 1 HP continuous rating with a service factor of 1.65 for occasional overloads
- Speed: 3450 RPM, two-pole design for steady, dependable torque
- Voltage: Dual-voltage operation at 115/230 VAC
- Current (Hi/Lo): 19.2 A at 115 V; 9.6 A at 230 V
- Service Factor: 1.65, enabling peak startup loads without compromising longevity
- Frame: 48Y frame footprint with broad compatibility for mounting, pulleys, and couplings
- Connection Diameter: 23 (per 48Y frame standard)
- Mounting: Square flange design for straightforward installation and reliable alignment
- Brand: A.O. Smith / Century Electrical — trusted name for durable, serviceable motors
Ideal for spa pumps, pool equipment, conveyors, air handling units, and other compact machinery, this motor provides reliable, controllable performance with easy interchangeability in existing 48Y footprints. The dual-voltage capability simplifies wiring and inventory across facilities, while the robust 1.65 service factor helps maintain performance during brief torque spikes common in belt drives and pump assemblies.
Meet Part Number 20-1040—a compact, dependable 1 HP motor designed to handle real-world industrial duty with precision. This two-pole unit spins at 3450 RPM, delivering steady performance where reliability matters most, from conveyors to pumps and fans. Its dual-voltage capability (115/230 VAC) makes it a versatile choice for facilities with varying power supplies, reducing the need for multiple stock-keeping units.
Key specifications
- HP: 1
- RPM: 3450
- Volts: 115/230 VAC
- Amps (Hi–Lo): 19.2 / 9.6
- Service Factor: 1.65
- Frame: 48Y
- Approx. "AG": 11-7/8
- Connection Diameter: 23
- Notes: 2
Why this motor stands out
The 1.65 service factor means this motor can handle occasional overloads and peak startup loads without compromising longevity, which is especially valuable in equipment like belt drives, blowers, or pump assemblies that experience brief torque spikes. The 48Y frame aligns with a broad ecosystem of mounting, pulleys, and couplings, making retrofits and replacements straightforward. With 115/230 VAC support, you gain wiring flexibility and inventory efficiency—you don’t need to stock separate impulse or motor variants for different plants or lines.
Ideal applications and use cases
- Conveyor systems and material handling equipment requiring reliable, continuous rotation
- Air handling units, fans, and blowers that benefit from a compact, high-torque profile
- Pump assemblies and small processing machines that demand consistent, controllable speed
- Repairs or upgrades for existing machinery that use a 48Y frame footprint
Practical installation and operation tips
- Verify the power supply and wire the motor for the appropriate voltage (115V or 230V) to achieve the labeled current draw.
- Ensure proper shaft alignment and secure mounting to match the 48Y footprint for vibration-free operation.
- Use compatible pulleys or couplings sized for the 3450 RPM two-pole design to maintain performance and efficiency.
- Account for the unit’s service factor when sizing drives and belt tensions for startup loads.
Elevate your equipment reliability with Part Number 20-1040—a thoughtfully specified, dual-voltage motor built to perform in demanding environments while simplifying maintenance and stocking. Add it to your cart to upgrade your machinery with a proven, efficient solution.