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LEESON Speed Ratio Motor, 1 HP, 3 Ph, 60 Hz, 230/460 V, 1800 RPM, 56C Frame, TEFC - Y378
Part #:056H17F2022
Catalog #:Y378
Model #:56H17F2022A
KEY FEATURES
- IRIS® inverter rated insulation system meets NEMA MG1 Part 31. No lead lengths restrictions on 460V systems or less (as noted).
- Constant torque operation from 0 to base speed on vector drive.
- Double-shielded ball bearings provide longer service life.
- Normally closed thermostats (one per phase, Class F or H as noted).
- LEESON® motors. Motors and solutions at our core™
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Product Specifications
Nameplate Specifications
| Phase: | 3 | Output HP: | 1 Hp |
| Output KW: | 0.75 kW | Voltage: | 230/460 V |
| Speed: | 1725 rpm | Service Factor: | 1.0 |
| Frame: | 56C | Enclosure: | Totally Enclosed Fan Cooled |
| Thermal Protection: | No Protection | Efficiency: | 78.5 % |
| Ambient Temperature: | 40 °C | Frequency: | 60 Hz |
| Current: | 3.2/1.6 A | Power Factor: | 77.5 |
| Duty: | Continuous | Insulation Class: | H |
| Design Code: | INV | KVA Code: | K |
| Drive End Bearing Size: | 6203 | Opp Drive End Bearing Size: | 6203 |
| UL: | Recognized | CSA: | Y |
| CE: | Y | IP Code: | 43 |
| Number of Speeds: | 1 |
Technical Specifications
| Electrical Type: | Squirrel Cage Inverter Duty | Starting Method: | Inverter Only |
| Poles: | 4 | Rotation: | Reversible |
| Resistance Main: | 16.6 Ohms | Mounting: | Round |
| Motor Orientation: | Horizontal | Drive End Bearing: | Ball |
| Opp Drive End Bearing: | Ball | Frame Material: | Rolled Steel |
| Shaft Type: | NEMA 56 | Overall Length: | 12.44 in |
| Frame Length: | 7.50 in | Shaft Diameter: | 0.625 in |
| Shaft Extension: | 2.06 in | Assembly/Box Mounting: | F3 |
| Inverter Load: | CONSTANT 20:1 |
General Specifications
| UPC: | 722856024350 | Weight: | 27.00 LB |
| Packaged Length: | 13.75 IN | Packaged Width: | 7.88 IN |
| Packaged Height: | 8.75 IN | HTC: | 8501.51.6040 |
| Country of Origin: | Mexico |
Speed Characteristics
| Curvepoint | Current (Amps) | Current (%) | Torque (ft-lbs) | Torque (%) | Speed (RPM) | Rated Output (KW) | Power Factor (%) | Rated Output (Hp) |
| Locked-Rotor | 11.50 | 719.0 | 12.50 | 417.0 | 0 | 75.0 | 1.00 | |
| No Load | 0.90 | 56.0 | 0.00 | 0.0 | 1,800 | 1.00 | ||
| Full Load | 1.60 | 100.0 | 3.00 | 100.0 | 1,725 | 1.00 | ||
| Pull-Up | 10.50 | 656.0 | 11.30 | 377.0 | 900 | 1.00 | ||
| Break-Down | 7.60 | 475.0 | 12.00 | 400.0 | 1,650 | 86.0 | 1.00 | |
| 1/3 | 11.00 | 688.0 | 10.50 | 350.0 | 600 | 1.00 | ||
| 2/3 | 9.50 | 594.0 | 12.50 | 417.0 | 1,200 | 1.00 |
Load Characteristics
| % of Rated Load | 0 % | 25 % | 50 % | 75 % | 100 % | 125 % | 150 % | 200 % |
| Current (Amps) | 0.90 | 1.00 | 1.10 | 1.30 | 1.60 | 1.80 | 2.10 | 0.00 |
| Rated Output (KW) | 0.15 | 0.32 | 0.52 | 0.75 | 0.95 | 1.20 | 1.50 | 0.00 |
| Efficiency (%) | 0.0 | 60.0 | 72.5 | 76.5 | 78.5 | 77.5 | 75.0 | 0.0 |
| Power Factor (%) | 16.0 | 40.0 | 60.0 | 71.0 | 77.5 | 85.0 | 87.0 | 0.0 |
| Speed (RPM) | 1,800 | 1,780 | 1,760 | 1,740 | 1,725 | 1,700 | 1,675 | 0 |
| Temp. Rise @ FL | 0.0 | 0.0 | 0.0 | 0.0 | 62.0 | 0.0 | 0.0 | 0.0 |
| Torque (ft-lbs) | 0.00 | 0.74 | 1.50 | 2.30 | 3.00 | 4.00 | 4.80 | 0.00 |

