Siemens-Allis 51-391-796 Three-Phase Ac Induction Motor

Description:

The Siemens-Allis 51-391-796 AC Motor is used in industrial power transmission systems to provide reliable three-phase motor drive for machinery and equipment. Commonly installed in pumps, compressors, conveyors, fans, and manufacturing equipment requiring a 2 HP motor with a 145T frame and 3600 RPM operating speed. Maintenance teams and system integrators use this motor for equipment repairs, motor replacements, and retrofit projects involving legacy Siemens-Allis drive systems.

Applications:

The Siemens-Allis 51-391-796 is a general-purpose three-phase AC induction motor designed for industrial applications requiring high-speed operation and dependable performance. It is commonly used in material handling systems, pumping equipment, air compressors, HVAC systems, and process machinery where a 2 HP motor operating at 230/460 VAC and 3600 RPM is required. The NEMA 145T frame allows for compatibility with a wide range of industrial mounting configurations and driven equipment.

Technical Specifications:

• Manufacturer Part Number (MPN): 51-391-796
• Product Type: AC Induction Motor
• Brand: Siemens-Allis
• Rated Power: 2 HP
• Rated Voltage: 230/460 VAC
• Phase: 3 Phase
• Frequency: 60 Hz
• Rated Speed: 3600 RPM (nameplate approximately 3420–3600 RPM)
• Number of Poles: 2
• Frame Size: 145T
• Mounting Style: NEMA 145T Frame Mount
• Motor Type: General Purpose Industrial Motor
• Application: Industrial Power Transmission
• Compatible Equipment: Pumps, Compressors, Conveyors, Fans, Process Machinery
• Shaft Length: Approximately 7 in

Common Replacements:

• Siemens SD10 2 HP AC Motor 145T Frame
• Siemens RGZZSSD 2 HP AC Motor 145T Frame
• Siemens 1LE2301 Series 2 HP AC Motor 145T Frame