LEESON Other Purpose Motor, 1.50 & 1 HP, 3 Ph, 60 & 50 Hz, 230/460 & 190/380 V, 1800 & 1500 RPM, 145TC Frame, TEFC - U704
Part #:145TTFR4058
Catalog #:U704
Model #:145TTFR4058BB
KEY FEATURES
- Meets or exceeds NEMA Premium® efficiencies NEMA Premium® models are in compliance with EISA2007
- Cast iron frame and brackets
- Inverter Duty 10:1 Variable Torque and 10:1 Constant Torque, 1.0 SF (except as noted)
- 1.15 Service Factor
- Class F Insulation
- Standard assembly F1, reversible to F2 assembly
- UL Recognized, CSA Certified, CE Mark
- As of 4/30/24 this product is now listed as LEESON® brand due to <a href="https://investors.regalrexnord.com/investors/ir-news/press-release-details/2024/Regal-Rexnord-Corporation-Closes-The-Sale-Of-Its-Industrial-Motors--Generators-Business-To-WEG/default.aspx">the divestiture of the Industrial Business.</a>
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Product Specifications
Nameplate Specifications
| Phase: | 3 | Output HP: | 1.50 & 1 Hp |
| Output KW: | 1.1 & 0.75 kW | Voltage: | 230/460 & 190/380 V |
| Speed: | 1755 & 1465 rpm | Service Factor: | 1.15 & 1.15 |
| Frame: | 145TC | Enclosure: | Totally Enclosed Fan Cooled |
| Thermal Protection: | No Protection | Efficiency: | 84 & 82.5 % |
| Ambient Temperature: | 40 °C | Frequency: | 60 & 50 Hz |
| Current: | 4.4/2.2 & 3.9/1.95 A | Power Factor: | 76 |
| Duty: | Continuous | Insulation Class: | F |
| Design Code: | B | KVA Code: | M |
| Drive End Bearing Size: | 6205 | 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 Induction Run | Starting Method: | Across The Line |
| Poles: | 4 | Rotation: | Reversible |
| Resistance Main: | 10 Ohms | Mounting: | Rigid Base |
| Motor Orientation: | Horizontal | Drive End Bearing: | Ball |
| Opp Drive End Bearing: | Ball | Frame Material: | Rolled Steel |
| Shaft Type: | T | Overall Length: | 14.37 in |
| Frame Length: | 9.06 in | Shaft Diameter: | 0.875 in |
| Shaft Extension: | 2.12 in | Assembly/Box Mounting: | F1 Only |
General Specifications
| UPC: | 722856059130 | Weight: | 44.00 LB |
| Packaged Length: | 16.38 IN | Packaged Width: | 10.50 IN |
| Packaged Height: | 8.62 IN | HTC: | 8501.52.4000 |
| Country of Origin: | United States of America |
Speed Characteristics
| Curvepoint | Current (Amps) | Current (%) | Torque (ft-lbs) | Torque (%) | Speed (RPM) | Rated Output (KW) | Power Factor (%) | Rated Output (Hp) |
| No Load | 1.30 | 59.0 | 0.00 | 0.0 | 1,800 | 1.50 | ||
| Pull-Up | 18.00 | 818.0 | 17.00 | 378.0 | 600 | 1.50 | ||
| Locked-Rotor | 20.00 | 909.0 | 17.00 | 378.0 | 0 | 67.0 | 1.50 | |
| Full Load | 2.20 | 100.0 | 4.50 | 100.0 | 1,755 | 1.50 | ||
| 1/3 | 19.00 | 864.0 | 15.50 | 344.0 | 300 | 1.50 | ||
| 2/3 | 17.00 | 773.0 | 19.00 | 422.0 | 900 | 1.50 | ||
| Break-Down | 13.00 | 591.0 | 20.50 | 456.0 | 1,229 | 88.0 | 1.50 |
Load Characteristics
| % of Rated Load | 0 % | 25 % | 50 % | 75 % | 100 % | 115 % | 125 % |
| Current (Amps) | 1.30 | 1.40 | 1.60 | 1.80 | 2.20 | 2.40 | 2.60 |
| Rated Output (KW) | 0.15 | 0.40 | 0.70 | 1.00 | 1.35 | 1.55 | 1.70 |
| Efficiency (%) | 0.0 | 72.5 | 81.5 | 84.0 | 84.0 | 84.0 | 84.0 |
| Power Factor (%) | 9.5 | 35.5 | 55.0 | 68.0 | 76.0 | 80.0 | 81.5 |
| Speed (RPM) | 1,800 | 1,790 | 1,775 | 1,765 | 1,755 | 1,745 | 1,740 |
| Temp. Rise @ FL | 0.0 | 0.0 | 0.0 | 0.0 | 45.0 | 60.0 | 75.0 |
| Torque (ft-lbs) | 0.00 | 1.10 | 2.20 | 3.50 | 4.50 | 5.20 | 5.70 |

