Totaline p257-flexpsc41 Ecm Blower Motor 3/4-1 Hp 1075 Rpm

Product Description

The TOTALINE p257-flexpsc41 is an electronically commutated motor (ECM) designed to replace or upgrade standard PSC blower motors in residential furnace and air-handler applications. Rated at 3/4 to 1 HP with a 1,075 RPM operating speed, it runs on dual voltage: 115 VAC or 208-230 VAC single phase at 50/60 Hz. The ECM design delivers approximately 82% efficiency compared to roughly 60% for a standard PSC motor, reducing energy consumption during continuous blower operation. A licensed HVAC technician handles installation. The motor carries UL Listed, UL Recognized, and CSA Listed approvals and is built to a 10-plus-year design life under proper installation conditions.

The p257-flexpsc41 connects directly to standard PSC furnace and air-handler control boards without additional interface modules, making it a practical field upgrade or drop-in replacement across a wide range of direct-drive blower applications. It supports constant airflow operation, which improves air filtration performance and enables additional indoor air quality (IAQ) accessories. More consistent airflow also reduces room-to-room temperature variation. Two multi-HP models are available in this series, giving service technicians flexibility across different unit capacities. The motor fits 48Y frame mounting positions and accepts a mounting bracket or any standard 48 frame mount.

Key Features

• ECM design rated at 82% efficiency versus standard PSC motors at approximately 60%
• Dual voltage operation: 115 VAC and 208-230 VAC single phase, 50/60 Hz
• Five-speed motor with reversible rotation for flexible airflow configuration
• NEMA 48Y frame with 1/2-inch shaft diameter and 5.5-inch shaft length
• UL Listed, UL Recognized, and CSA Listed for code compliance
• Ball bearing construction with Class B insulation and open enclosure for continuous duty (S1)
• Totaline Five-Point Certification: RPMs, amps, rotation, temperature rise, and capacitor voltage validated at the factory

Compatibility

Designed as a direct-connect ECM replacement for standard PSC furnace and air-handler control boards across a wide variety of direct-drive blower motor applications using 48Y frame or standard 48 frame mounting.

Installation Notes

Installation must be performed by a licensed HVAC technician. Disconnect and lock out all electrical power to the air handler or furnace before removing the existing blower motor. Verify that the supply voltage matches the motor's selected voltage tap before energizing. Confirm shaft rotation direction prior to final startup and follow all applicable local codes and NEC requirements for motor replacement work.

Technical Specifications

• Motor Type: ECM (Electronically Commutated Motor)
• Motor HP: 3/4 to 1
• RPM: 1,075
• Voltage: 115 VAC; 208-230 VAC
• Phase: Single
• Cycle/Hertz: 50/60 Hz
• Amps: 8-11
• Number of Speeds: 5
• Rotation: Reversible
• NEMA Frame: 48Y
• Mounting Type: Mounting Bracket or any 48 Frame Mount
• Shaft Diameter: 0.5 inches
• Shaft Length: 5.5 inches
• Bearing Type: Ball
• Insulation Class: B
• Motor Enclosure: Open
• Duty: Continuous Running Duty (S1)
• Length: 15.5 inches
• Width: 7 inches
• Height: 7 inches
• Weight: 19 pounds
• Approvals: CSA Listed; UL Listed; UL Recognized
• Country of Origin: Mexico

Standard Information

• Brand: TOTALINE
• Manufacturer Part Number: p257-flexpsc41