LEESON General Purpose Motor, 0.75 & 0.50 HP, 3 Ph, 60 & 50 Hz, 208-230/460 & 190/380 V, 1800 & 1500 RPM, 56C Frame, TENV - N355
Part #:056T17V99008
Catalog #:N355
Model #:56T17V99008A
KEY FEATURES
- 10:1 Variable torque, Constant torque speed range as listed below
- IRIS® Class F insulation system
- 1.15 Service Factor on sinewave, 1.0 Service Factor on IGBT power
- Double sealed ball bearings, Totally enclosed, non-ventilated
- 303 Stainless steel shaft with spring loaded contact seals in each endshield (Drive end only on TENV motors)
- Stainless steel conduit box cover, nameplate, fan guard (TEFC) and hardware
- Cast oversized conduit box with high temperature nitrile gaskets and threaded entrance
- Plugged drain holes in each endshield for all angle mounting
- Internal corrosion resistant coatings on frame, base, endshields, rotor and stator
- 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: | 0.75 & 0.50 Hp |
| Output KW: | 0.56 & 0.37 kW | Voltage: | 208-230/460 & 190/380 V |
| Speed: | 1725 & 1425 rpm | Service Factor: | 1.15 & 1.0 |
| Frame: | 56C | Enclosure: | Totally Enclosed Non Ventilated |
| Thermal Protection: | No Protection | Efficiency: | 80 & 80 % |
| Ambient Temperature: | 40 °C | Frequency: | 60 & 50 Hz |
| Current: | 2.7-2.5/1.25 & 2.2/1.1 A | Power Factor: | 70 |
| Duty: | Continuous | Insulation Class: | F |
| Design Code: | B | KVA Code: | L |
| Drive End Bearing Size: | 6205 | Opp Drive End Bearing Size: | 6203 |
| UL: | Recognized | CSA: | Y |
| CE: | Y | IP Code: | 55 |
| Number of Speeds: | 1 |
Technical Specifications
| Electrical Type: | Squirrel Cage Induction Run | Starting Method: | Across The Line |
| Poles: | 4 | Rotation: | Reversible |
| Resistance Main: | 23.28 Ohms | Mounting: | Rigid Base |
| Motor Orientation: | Horizontal | Drive End Bearing: | Ball |
| Opp Drive End Bearing: | Ball | Frame Material: | Rolled Steel |
| Shaft Type: | NEMA 56 | Overall Length: | 15.00 in |
| Frame Length: | 6.00 in | Shaft Diameter: | 0.625 in |
| Shaft Extension: | 1.94 in | Assembly/Box Mounting: | F1 ONLY |
General Specifications
| UPC: | 722856030023 | Weight: | 37.00 LB |
| Packaged Length: | 19.69 IN | Packaged Width: | 11.25 IN |
| Packaged Height: | 10.63 IN | HTC: | 8501.51.4040 |
| 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) |
| Full Load | 1.25 | 100.0 | 27.00 | 100.0 | 1,750 | 0.73 | 0.0 | 0.75 |
| Locked-Rotor | 8.42 | 674.0 | 80.00 | 296.0 | 0 | 4.92 | 0.0 | 0.75 |
| Pull-Up | 8.53 | 682.0 | 77.00 | 285.0 | 200 | 4.80 | 0.0 | 0.75 |
| Break-Down | 8.76 | 701.0 | 106.00 | 393.0 | 1,290 | 3.75 | 0.0 | 0.75 |
Load Characteristics
| % of Rated Load | 0 % | 25 % | 50 % | 75 % | 100 % | 125 % | 150 % |
| Current (Amps) | 0.81 | 0.89 | 0.93 | 1.09 | 1.25 | 1.44 | 1.64 |
| Rated Output (KW) | 0.09 | 0.35 | 0.41 | 0.57 | 0.73 | 0.89 | 1.06 |
| Efficiency (%) | 0.0 | 61.6 | 70.0 | 74.8 | 76.7 | 78.0 | 77.9 |
| Power Factor (%) | 14.6 | 49.4 | 54.4 | 65.5 | 73.3 | 77.9 | 81.2 |
| Speed (RPM) | 1,797 | 1,781 | 1,776 | 1,765 | 1,753 | 1,741 | 1,727 |
| Temp. Rise @ FL | 0.0 | 0.0 | 0.0 | 0.0 | 73.2 | 0.0 | 0.0 |
| Torque (ft-lbs) | 0.00 | 10.20 | 13.50 | 20.30 | 27.00 | 33.80 | 40.50 |