Overview
The Leeson C143T17TC8B motor is a three-phase general purpose induction motor engineered for dependable performance in standard industrial applications. The 143T frame delivers compact size with sufficient power density for equipment such as pumps, fans, compressors, conveyors, and machine tools. As a surplus unit, this motor offers cost-effective replacement capacity for facility upgrades and equipment repairs.
Key Features
- Three-phase AC induction motor design for reliable continuous-duty operation
- 143T NEMA frame size for space-constrained installations
- Suitable for direct or belt-driven applications
- Industrial-grade construction for demanding environments
- Compatible with standard electrical controls and motor starters
Technical Specifications
The following specifications are based on the 143T frame size and model nomenclature:
- Frame Size: 143T (NEMA)
- Horsepower: 1 HP (estimated based on frame class)
- Phase: Three Phase
- Frequency: 60 Hz (standard North American)
- Part Number: 120642.00
- Model Number: C143T17TC8B
- Enclosure Type: ODP (Open Drip-Proof) — typical for this frame
- Shaft Diameter: 7/8 inch (standard for 143T frame)
- Service Factor: 1.25 (typical for general purpose motors)
- Operating Temperature: -20°C to +40°C ambient (standard industrial range)
Typical Applications
The Leeson C143T17TC8B suits a wide range of industrial and commercial applications:
- Centrifugal and positive displacement pumps
- Centrifugal, axial, and blower fans
- Air compressors and reciprocating compressors
- Conveyor systems and material handling equipment
- Machine tool drives and general manufacturing
- HVAC equipment and refrigeration systems
Compatibility & Replacements
Compatible With
- NEMA standard three-phase electrical service (208V, 230V, 460V voltage classes)
- Across-the-line motor starters and soft starters
- Variable frequency drives (VFDs) for applications requiring speed control
- Standard industrial control circuits and safety interlocks
- Rigid and soft-foot motor mounting bases
Replaces / Drop-In Replacement For
The C143T17TC8B shares the 143T frame size with other Leeson and Baldor general purpose motors of equivalent horsepower. Verify compatibility with your system integrator before ordering, as voltage class, enclosure type, and shaft configuration must match your application requirements.
Works With
- NEMA-rated motor control centers (MCCs)
- Standard magnetic and solid-state starters
- Thermal overload relays and motor protection devices
- Belt drives and direct coupling systems
- Industrial automation control systems










