Leeson 7.5 HP Single-Phase Compressor Duty Motor, 215T Frame, 1740 RPM, 230V
Leeson catalog number 140155, a 7.5 HP single-phase definite purpose motor on a 215T rigid base, built for air compressor service at 1740 RPM. This is about the largest practical single-phase compressor motor before three-phase power becomes the sensible answer, and it draws 36 amps at full load, so the branch circuit needs to be sized for it.
Key specifications
- Horsepower: 7.5 HP (5.60 kW)
- Speed: 1740 RPM (1800 RPM synchronous), 4 pole
- Phase and frequency: single phase, 60 Hz
- Frame: 215T, rigid base foot mount
- Voltage: 230V only
- Full load amps: 36.0 A (service factor amps 40.5, locked rotor 182.8)
- Service factor: 1.15
- Enclosure: ODP, open drip-proof
- Insulation class: F
- Duty: continuous, 40 C ambient
- Shaft: 1-3/8 in. diameter x 3-3/8 in. extension, keyed
- Efficiency: 81.5% at full load, power factor 83
- Torque: 22.5 lb-ft full load, 47.5 lb-ft breakdown, 61 lb-ft locked rotor
- Bearings: 6207 drive end, 6206 opposite drive end
- Weight: 131 lb
- Leeson model number: C215K17DB2
- Cross reference: Century V305 / V305M2
Wiring and protection
No internal thermal protection is fitted. Use a correctly sized magnetic starter with overload heaters. At 36 full load amps and 182.8 locked rotor amps, confirm your service, wire gauge and breaker can carry the inrush before installing.
Typical applications
Replacement motor for 7.5 HP belt-driven reciprocating air compressors on single-phase power, and other definite purpose drives in the same class where three-phase is not available.
Regal Rexnord consolidated the Leeson and Marathon motor brands, so catalog number 140155 may arrive branded either Leeson or Marathon with the same C215K17DB2 model number. This is a freight-only item at 131 lb. Supplied by AirComParts as part number J5043.
NOTE: Actual product may be different from pictured!
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