B2661 Century 3/4 hp 3450 RPM 56Y Frame 115/208-230V Square Flange Pool Motor Century # B2661

B2661 Century 3/4 HP 3450 RPM 56Y Frame 115/208-230V Square Flange Pool Motor

The Century B2661 is a 3/4 horsepower, 3450 RPM pool motor designed as a direct replacement for various in-ground pool pumps. It fits many popular models including PacFab Challenger, Whisperflo, and Pentair, and replaces Century/AO Smith B661 and US Electric EB661 motors.

Key Specifications

• Horsepower: 3/4 HP
• RPM: 3450
• Voltage: 115/208-230V, 60 Hz
• Amperage: 11.2 / 6.0 - 5.6 amps
• Enclosure: Open Drip Proof
• Frame / Diameter: 56Y Frame, Square Flange
• Shaft Dimensions: 5/8" diameter threaded stainless steel shaft
• Rotation: Non-Reversible, CCW facing the shaft
• Bearings: Ball Bearings

Product Features & Fitment

This motor features automatic overload protection with a service factor of 1.67. It mounts via a square flange with four non-threaded bolt holes, ensuring compatibility with many standard pool pump housings. The motor’s non-reversible counterclockwise rotation is designed for optimal pump performance.

Please note that this motor does not comply with California and New York energy efficiency regulations for single-speed pool motors. Customers in these states should verify local codes before purchasing and consider upgrading to a variable speed motor to meet current standards.

Cross Reference

• Century/AO Smith B661, 7-196254-06, 196254
• US Electric Equivalent EB661
• Effective July 19, 2021 the US Dept of Energy regulations on single speed, two-speed and booster pumps go into effect

Warranty

• Mechanical Dimensions
• Pool Motor Manual
• Seal Reference Chart