TECO-Westinghouse Motor Company AEHH8P NP0404 AC Motor

Description:

The TECO-Westinghouse Motor Company AEHH8P NP0404 AC Motor is used to provide high-efficiency variable speed power for industrial machinery operating with variable frequency drives (VFDs). Commonly installed in pumps, compressors, conveyors, crushers, fans, blowers, mixers, and other process equipment requiring continuous-duty inverter operation. Maintenance teams and system integrators use this part for repair, retrofit, expansion, or replacement of industrial motor drive systems.

Applications:

The TECO-Westinghouse Motor Company AEHH8P NP0404 is a MAX-PE NEMA Premium Efficiency, Totally Enclosed Fan Cooled (TEFC), inverter-duty three-phase AC induction motor engineered for severe-duty industrial environments. It delivers precise speed control, high starting torque, and energy-efficient operation when paired with a variable frequency drive, making it suitable for manufacturing facilities, water and wastewater treatment plants, mining operations, material handling systems, HVAC equipment, and general industrial process automation. 

Technical Specifications:

• Manufacturer: TECO-Westinghouse Motor Company
• Manufacturer Part Number (MPN): NP0404
• Motor Type: AEHH8P MAX-PE Premium Inverter Duty Motor
• Product Type: Three-Phase AC Motor
• Rated Output: 40 HP (29.8 kW)
• Rated Speed: 1770 RPM (1800 RPM nominal)
• Voltage: 230/460 VAC
• Phase: Three-Phase
• Frequency: 60 Hz
• Number of Poles: 4
• Frame Size: 324T
• Enclosure: Totally Enclosed Fan Cooled (TEFC)
• NEMA Design: B
• Duty Cycle: Continuous Duty
• Insulation Class: F
• Service Factor: 1.15
• Nominal Efficiency: 94.1% (NEMA Premium)
• Minimum Efficiency: 93.0%
• Full Load Current: 92.6 A @ 230 VAC / 46.3 A @ 460 VAC
• Inverter Duty Rating: 20:1 Variable Torque, 10:1 Constant Torque
• Variable Torque Range: 3–60 Hz
• Constant Torque Range: 6–60 Hz
• Constant Horsepower Range: 60–90 Hz
• Protection Rating: IP54
• Bearings: Drive End 6312; Opposite Drive End 6212
• Approximate Weight: 612 lb (278 kg)
• Compatible Equipment: Pumps, compressors, conveyors, crushers, fans, blowers, mixers, and industrial process machinery utilizing variable frequency drives.

Common Replacements:

• TECO-Westinghouse EP0404
• TECO-Westinghouse NP0404G
• TECO-Westinghouse APH0404