Marathon 50 HP Definite Purpose AC Motor, 3 phase, 1800 RPM, 230/460 V, 326T Frame, TEFC - Y818A
Catalog #:Y818A
Part #:326TTFC6633
Image differs from product
- Meets or exceeds NEMA Premium® efficiency. Model is in compliance with EISA2007
- 1.15 Service Factor on sinewave, 1.0 Service Factor on IGBT power
- Class F insulation
- 12 Leads for WYE-DELTA, part winding on low voltage, or across-the-line starting
General Specifications
| UPC: | 722856055057 | Weight: | 755.00 LB |
| Packaged Length: | 37 IN | Packaged Width: | 27 IN |
| Packaged Height: | 22 IN |
Nameplate Specifications
| Output HP: | 50 Hp | Output KW: | 37.0 kW |
| Frequency: | 60 Hz | Voltage: | 230/460 V |
| Current: | 116.0/58.0 A | Speed: | 1780 rpm |
| Service Factor: | 1.15 | Phase: | 3 |
| Efficiency: | 94.5 % | Power Factor: | 86 |
| Duty: | Continuous | Insulation Class: | F |
| Design Code: | C | KVA Code: | G |
| Frame: | 326T | Enclosure: | Totally Enclosed Fan Cooled |
| Thermal Protection: | No | Ambient Temperature: | 40 °C |
| Drive End Bearing Size: | NU312 | Opp Drive End Bearing Size: | 6311 |
| UL: | Recognized | CSA: | Y |
| CE: | Y | IP Code: | 55 |
Technical Specifications
| Electrical Type: | Squirrel Cage Inverter Rated | Starting Method: | Part Wdg Start & Wye Start Delta Run Or Inverter |
| Poles: | 4 | Rotation: | Reversible |
| Resistance Main: | .118 Ohms | Mounting: | Rigid Base |
| Motor Orientation: | Horizontal | Drive End Bearing: | Roller |
| Opp Drive End Bearing: | Ball | Frame Material: | Cast Iron |
| Shaft Type: | T | Overall Length: | 33.86 in |
| Shaft Diameter: | 2.125 in | Shaft Extension: | 5.25 in |
| Assembly/Box Mounting: | F1/F2 CAPABLE |
Speed Characteristics
| Curvepoint | Current (Amps) | Current (%) | Torque (ft-lbs) | (%) | Speed (RPM) | Rated Output (KW) | Power Factor (%) | Rated Output (Hp) |
| Locked-Rotor | 362.00 | 625.0 | 350.00 | 235.0 | 0 | 40.0 | 50.00 | |
| Pull-Up | 325.00 | 560.0 | 300.00 | 205.0 | 970 | 50.00 | ||
| 2/3 | 300.00 | 518.0 | 325.00 | 225.0 | 1,200 | 50.00 | ||
| Full Load | 58.00 | 100.0 | 147.00 | 100.0 | 1,780 | 86.0 | 50.00 | |
| Break-Down | 190.00 | 328.0 | 365.00 | 240.0 | 1,715 | 65.0 | 50.00 | |
| No Load | 17.80 | 30.5 | 0.00 | 0.0 | 1,800 | 5.0 | 50.00 | |
| 1/3 | 350.00 | 605.0 | 300.00 | 205.0 | 600 | 50.00 |
Load Characteristics
| % of Rated Load | 0 % | 25 % | 50 % | 75 % | 100 % | 115 % | 125 % |
| Current (Amps) | 17.80 | 22.50 | 32.50 | 44.50 | 59.00 | 66.50 | 72.50 |
| Rated Output (KW) | 1.50 | 10.20 | 20.00 | 29.50 | 39.50 | 45.50 | 50.00 |
| Efficiency (%) | 0.0 | 91.0 | 94.1 | 94.5 | 94.5 | 94.1 | 93.6 |
| Power Factor (%) | 5.0 | 57.0 | 77.0 | 83.0 | 84.0 | 86.5 | 86.5 |
| Speed (RPM) | 1,800 | 1,795 | 1,790 | 1,785 | 1,780 | 1,778 | 1,775 |
| Temp. Rise @ FL | 0.0 | 0.0 | 0.0 | 0.0 | 65.0 | 85.0 | 0.0 |
| Torque (ft-lbs) | 0.00 | 36.50 | 73.50 | 110.00 | 147.00 | 170.00 | 185.00 |