Dayton 55JJ58A 10HP 3Ph 3500RPM Centrifugal Pump with Motor
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This is a new Dayton model 55JJ58A close-coupled centrifugal pump paired with a Dayton model LTEJ23TCE 10 HP premium efficiency TEFC motor, forming a complete pump-motor unit. The cast iron pump end features a 3-inch NPT discharge and 2-1/2-inch NPT intake, a 5.74-inch impeller diameter, and a pump efficiency (PElcl) of 0.99, delivering a maximum head of 110 feet at 3500 RPM. The motor is a NEMA 215JM frame, 3-phase, 2-pole, 60 Hz unit rated at 10 HP / 7.5 kW, dual-voltage 230/460V, drawing 24.4/12.2 amps, with a 1.25 service factor, Class F insulation, and NEMA nominal efficiency of 90.2%; bearings are 6209 ZZ (drive end) and 6208 ZZ (opposite drive end). The unit weighs 163 lbs (74 kg) per the motor nameplate and is suitable for water transfer, irrigation, industrial process, and liquid circulation applications requiring high-flow, moderate-head performance.
Product Specifications
| Brand | Dayton |
| Pump Model Number | 55JJ58A |
| Motor Model Number | LTEJ23TCE |
| Motor Serial Number | A22020221 |
| Horsepower | 10 HP |
| Power (kW) | 7.5 kW |
| Pump Type | Centrifugal, Close-Coupled |
| Max Head | 110 ft |
| Discharge Size | 3 in NPT |
| Intake Size | 2-1/2 in NPT |
| Impeller Diameter | 5.74 in |
| Pump Efficiency (PElcl) | 0.99 |
| Pump / Motor Speed | 3500 RPM |
| Number of Poles | 2 |
| Phase | 3-Phase |
| Frequency | 60 Hz |
| Voltage | 230/460 V AC |
| Full Load Amps (FLA) | 24.4 A (230V) / 12.2 A (460V) |
| Service Factor Amps (SFA) | 29.6 A (230V) / 14.8 A (460V) |
| Service Factor | 1.25 |
| NEMA Frame | 215JM |
| Enclosure | TEFC (Totally Enclosed Fan Cooled) |
| Insulation Class | Class F |
| NEMA Nominal Efficiency | 90.2% |
| Ambient Temperature Rating | 40°C |
| Drive End Bearing | 6209 ZZ |
| Opposite Drive End Bearing | 6208 ZZ |
| Motor Rating | Continuous |
| Pump / Motor Housing Material | Cast Iron |
| Weight | 163 lb / 74 kg |
| Country of Manufacture | India |
| UL Listed | Yes (cULus) |
| Condition | New |