Overview
The Leeson C145T8FB5A is a 3/4 horsepower, 850 RPM three-phase induction motor designed for general purpose industrial applications. Built with a TEFC (Totally Enclosed Fan Cooled) enclosure and NEMA F145T frame size, this motor delivers dependable performance in a compact, sealed design suitable for machine tools, pumps, fans, and conveyor systems.
Key Features
- 3/4 HP output at 850 RPM—ideal for moderate-duty continuous applications
- Three-phase 60 Hz AC induction motor with reversible rotation capability
- TEFC enclosure protects motor windings from dust, moisture, and contaminants
- Keyed shaft (7/8″ diameter) for direct coupling to pumps, fans, and drive systems
- Multi-voltage compatibility: 460V, 208V, and 230V three-phase configurations
- NEMA Design B standard performance for reliable industrial duty
Technical Specifications
- Horsepower: 3/4 HP
- Speed: 850 RPM at 60 Hz
- Phase: Three-phase AC
- Enclosure Type: TEFC (Totally Enclosed Fan Cooled)
- Frame Size: NEMA F145T
- Shaft Diameter: 7/8 inch, keyed
- Voltage Ratings: 460V, 208V, 230V (three-phase)
- Insulation Class: Class F
- Duty Rating: Continuous
- Rotation: Reversible
Typical Applications
The Leeson C145T8FB5A motor is well-suited for a broad range of industrial machinery and processes, including:
- Centrifugal and gear pumps for water, oil, and chemical transfer
- Fan and blower systems for ventilation and process air handling
- Conveyor belt drives and material handling systems
- Machine tool spindle drives and auxiliary equipment
- Agitators, mixers, and batch processing equipment
- Crusher and mill drives in light to moderate duty roles
Compatibility & Replacements
Compatible With
- Standard three-phase 460V, 208V, and 230V industrial power systems
- Direct-coupled driven equipment with 7/8″ keyed shaft interfaces
- Standard NEMA F145T mounting bases and frames
- Flexible coupling assemblies for pump and fan mounting
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. The C145T8FB5A uses standard NEMA F145T mounting and shaft configuration; cross-reference your existing motor documentation to confirm direct substitution eligibility.
Works With
- Across-the-line magnetic motor starters (IEC and NEMA)
- Variable frequency drives (VFDs) with standard three-phase AC input
- Soft-start and reduced-voltage controllers
- Standard industrial electrical distribution and control systems
