Description
254TTDX4315 – Marathon 20 HP General Purpose Motor, 3 phase, 3600 RPM, 230/460 V, 254TC Frame, ODP – U437
254TTDX4315 Marathon Three Phase ODP Motors
Please advise CFM, static pressure, voltage, phase, and/or horsepower on specifications, drawings, or existing equipment for an accurate quote.
General Specifications
| UPC: |
722856012081 |
Weight: |
200 LB |
| Packaged Length: |
26.88 IN |
Packaged Width: |
18 IN |
| Packaged Height: |
14.38 IN |
Nameplate Specifications
| Output HP: |
20 Hp |
Output KW: |
14.9 kW |
| Frequency: |
60/50 Hz |
Voltage: |
230/460 V |
| Current: |
46.0/23.1 A |
Speed: |
3520 rpm |
| Service Factor: |
1.15 |
Phase: |
3 |
| Efficiency: |
91 % |
Power Factor: |
88.6 |
| Duty: |
Continuous |
Insulation Class: |
B |
| Design Code: |
B |
KVA Code: |
F |
| Frame: |
254TC |
Enclosure: |
Drip Proof |
| Thermal Protection: |
No |
Ambient Temperature: |
40 °C |
| Drive End Bearing Size: |
6309 |
Opp Drive End Bearing Size: |
6208 |
| UL: |
Recognized |
CSA: |
Y |
| CE: |
Y |
IP Code: |
12 |
Technical Specifications
| Electrical Type: |
Squirrel Cage Induction Run |
Starting Method: |
Part Wdg Start Low Volt Only & Wye Start Delta Run |
| Poles: |
2 |
Rotation: |
Reversible |
| Resistance Main: |
.485 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: |
20.89 in |
| Frame Length: |
13.40 in |
Shaft Diameter: |
1.625 in |
| Shaft Extension: |
4 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) |
| Pull-Up |
130.00 |
563.0 |
48.00 |
160.0 |
1,800 |
|
|
20.00 |
| 1/3 |
135.00 |
584.0 |
45.00 |
150.0 |
1,200 |
|
|
20.00 |
| No Load |
7.00 |
30.0 |
0.00 |
0.0 |
3,600 |
|
|
20.00 |
| Full Load |
23.10 |
100.0 |
30.00 |
100.0 |
3,520 |
|
|
20.00 |
| Break-Down |
90.00 |
390.0 |
86.50 |
288.0 |
3,050 |
|
71.0 |
20.00 |
| Locked-Rotor |
144.00 |
628.0 |
52.50 |
175.0 |
0 |
0.00 |
40.0 |
20.00 |
| 2/3 |
115.00 |
498.0 |
55.00 |
183.0 |
2,400 |
|
|
20.00 |
Load Characteristics
| % of Rated Load |
0 % |
25 % |
50 % |
75 % |
100 % |
115 % |
125 % |
| Current (Amps) |
7.00 |
9.00 |
13.50 |
18.00 |
23.10 |
26.50 |
29.50 |
| Rated Output (KW) |
0.50 |
4.30 |
8.10 |
12.10 |
16.50 |
19.00 |
20.50 |
| Efficiency (%) |
0.0 |
87.0 |
90.2 |
91.7 |
91.0 |
91.0 |
90.2 |
| Power Factor (%) |
9.0 |
60.0 |
78.0 |
85.5 |
88.6 |
89.0 |
89.0 |
| Speed (RPM) |
3,600 |
3,580 |
3,565 |
3,545 |
3,520 |
3,515 |
3,490 |
| Temp. Rise @ FL |
0.0 |
0.0 |
0.0 |
0.0 |
45.0 |
60.0 |
75.0 |
| Torque (ft-lbs) |
0.00 |
7.50 |
15.00 |
22.20 |
30.00 |
34.50 |
37.50 |
Marathon Motors
Regal Beloit
