The Century B638 Motor is a 3/4 horsepower, 56J frame replacement pump motor featuring a Permanent Split Capacitor (PSC) design for reliable, energy-efficient operation. Built for use with a wide range of pool and spa pumps, this durable motor delivers quiet performance, long service life, and easy installation for residential and commercial applications.

Key Features

• Genuine Century 3/4 HP pool and spa pump motor (Model B638)

• Permanent Split Capacitor (PSC) design for energy efficiency and smooth startup

• 56J frame with threaded shaft for direct pump mounting

• Single-speed motor rated for 115/230V dual-voltage operation

• Rotation: CCW (counterclockwise) facing the shaft end

• Open Drip Proof (ODP) enclosure for ventilation and heat dissipation

• Stainless steel shaft resists corrosion in wet and chemical environments

• Sealed ball bearings for quiet, maintenance-free performance

• Compatible with a variety of pool and spa pump brands using 56J frame motors

• Ideal for both residential and commercial pool applications

Product Overview
The Century B638 3/4 HP PSC Motor is a trusted, high-performance replacement for many standard pool and spa pump systems. Its Permanent Split Capacitor design provides consistent torque and efficient operation, while the 56J frame and threaded shaft allow for quick, direct installation on compatible pump housings.

Built for durability, the motor features corrosion-resistant materials, sealed bearings, and an ODP enclosure for enhanced cooling and long service life. Engineered to deliver dependable, quiet performance, the Century B638 is the perfect replacement solution for restoring reliable circulation and energy efficiency to your pool or spa pump system.