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Specs
| Item | General Purpose Motor |
|---|---|
| Motor Type | 3-Phase |
| Enclosure | Totally Enclosed Fan-Cooled |
| HP | 7-1/2 |
| Nameplate RPM | 1770 |
| NEMA/IEC Frame | 254U/256U |
| Frame | 254U/256U |
| Voltage | 208-220/440 |
| Hz | 60 |
| Phase | 3 |
| Full Load Amps | 20.3-18.4/9.2 |
| Number of Speeds | 1 |
| Mounting | Base |
| Thermal Protection | None |
| Insulation Class | F |
| Service Factor | 1.15 |
| Bearings | Ball |
| Frame Material | Steel |
| Max. Ambient Temp. | 40 Degrees C |
| Rotation | CW/CCW |
| Shaft Dia. | 1-3/8" |
| Shaft Length | 3-3/4" |
| Overall Length | 25-5/32" |
| RPM Range | 1400-1800 |
| Standards | UL Recognized, CSA Certified, CE |
| Duty | Continuous |
| Nominal Efficiency | 89.5 |
| Inverter Rated | Yes |
| Warranty (Years) | 3 |
| Footnotes | 5,10,15 |
| UNSPSC | 26101612 |
| Weight | 223.400000 |
| SKUs | 2N938 |
Description
General Purpose Motor, 3-Phase, 7-1/2 HP, Nameplate RPM 1770, Voltage 208-220/440, 254U/256U Frame, Totally Enclosed Fan-Cooled, Number of Speeds 1, Full Load Amps 20.3-18.4/9.2, 60 Hz, Base Mounting, Thermal Protection None, Insulation Class F, Service Factor 1.15, Ball Bearings, Max. Ambient Temp. 40 Degrees C, Rotation CW/CCW, Overall Length 25-5/32 In., Shaft Dia. 1-3/8 In., Shaft Length 3-3/4 In.
3-Phase Premium and Energy Efficiency TENV and TEFC Motors
- 143-5T/56HZ frame motors have 7/8" x 2-1/4" shaft and mounting base holes/slots to match 56, 56H, 143T, and 145T frame motors. Not for cooling tower applications. Suitable for dusty, dirty, nonhazardous applications with pumps, ventilation equipment, machine tools, and other industrial equipment. All models are UL Recognized and CSA Certified.
- Mounting: rigid base Bearings: ball Thermal protection: none Insulation Class F motors have Class B temperature rise for longer life Inverter rated; see table footnotes for details Max. ambient: 40 C Rotation: CW/CCW Warranty: 48, 56, and 143-5T/56HZ frame 1 yr.; 140T frame and above 3 yr.
