Us Motors USMOTOR-EJM154B Pump Motor 1.5 Hp 1800 Rpm 145JM

Product Description

The US MOTORS USMOTOR-EJM154B is a single-phase, capacitor-start, open drip-proof motor built for close-coupled centrifugal pump applications where the pump impeller mounts directly onto the motor shaft. Rated at 1.5 HP and 1800 RPM, it operates on 115/208-230 volts to fit a wide range of service scenarios. The 145JM frame designation ensures proper dimensional alignment with standard close-coupled pump housings. This motor is suited for installations where exposure to dirt and moisture is minimal, making it appropriate for light-duty pump service in residential and light commercial settings.

This motor is designed for close-coupled centrifugal pump installations where the motor shaft serves directly as the pump drive shaft, eliminating the need for a separate coupling. Typical applications include water circulation, booster pump systems, and similar fluid-handling setups operating in relatively clean, low-moisture environments. Licensed HVAC technicians, plumbers, and pump service professionals are the primary trades who install and service this type of motor.

Key Features

• Capacitor-start design provides strong starting torque suited for centrifugal pump loads
• 1.5 HP output at 1800 RPM for reliable pump drive performance
• Dual voltage rating of 115/208-230 volts supports flexible field wiring
• 145JM frame for direct dimensional compatibility with close-coupled pump housings
• Open drip-proof (ODP) enclosure appropriate for clean, low-moisture indoor environments
• Single-phase construction for use on standard residential and light commercial power supply

Compatibility

Designed as an OEM-style replacement close-coupled pump motor for 145JM frame applications requiring a single-phase, 1.5 HP, 1800 RPM capacitor-start motor rated at 115/208-230 volts.

Installation Notes

Installation should be performed by a qualified electrician or licensed pump service technician in accordance with NEC requirements. Disconnect and lock out all power to the pump system before removing the existing motor or making any wiring connections. Verify the supply voltage matches the motor nameplate before energizing. Because the impeller mounts directly on the motor shaft, confirm proper shaft engagement and secure all fasteners to the pump casing before returning the unit to service.

Technical Specifications

• Motor Type: Capacitor Start
• Horsepower: 1.5 HP
• Speed: 1800 RPM
• Voltage: 115/208-230 volts
• Phase: Single Phase
• Enclosure Type: Open Drip Proof (ODP)
• Frame: 145JM

Standard Information

• Brand: US MOTORS
• Manufacturer Part Number: USMOTOR-EJM154B