Description
254TTFNA7210 – Marathon 10,2.50 HP 2 speed Definite Purpose AC Motor, 3 phase, 1800/900 RPM, 460 V, 254T Frame, TEFC – Y383
254TTFNA7210 Marathon Other Purpose Motors
Please advise CFM, static pressure, voltage, phase, and/or horsepower on specifications, drawings, or existing equipment for an accurate quote.
General Specifications
| UPC: |
722856042248 |
Weight: |
360 LB |
| Packaged Length: |
30.75 IN |
Packaged Width: |
21.75 IN |
| Packaged Height: |
18 IN |
Nameplate Specifications
| Output HP: |
10,2.50 Hp |
Output KW: |
7.5 kW |
| Frequency: |
60/60 Hz |
Voltage: |
460 V |
| Current: |
12,4 A |
Speed: |
1775,882 rpm |
| Service Factor: |
1.15 |
Phase: |
3 |
| Efficiency: |
90.2 % |
Power Factor: |
88 |
| Duty: |
Continuous |
Insulation Class: |
F |
| Design Code: |
1VT |
KVA Code: |
J |
| Frame: |
254T |
Enclosure: |
Totally Enclosed Fan Cooled |
| Thermal Protection: |
No |
Ambient Temperature: |
40 °C |
| Drive End Bearing Size: |
6309 |
Opp Drive End Bearing Size: |
6210 |
| UL: |
Recognized |
CSA: |
Y |
| CE: |
Y |
IP Code: |
55 |
Technical Specifications
| Electrical Type: |
Squirrel Cage Induction Run |
Starting Method: |
Across The Line |
| Poles: |
4/8 |
Rotation: |
Reversible |
| Resistance Main: |
1.255 Ohms |
Mounting: |
Rigid Base |
| Motor Orientation: |
Horizontal |
Drive End Bearing: |
Ball |
| Opp Drive End Bearing: |
Ball |
Frame Material: |
Cast Iron |
| Shaft Type: |
T |
Overall Length: |
23.65 in |
| Frame Length: |
10.50 in |
Shaft Diameter: |
1.625 in |
| Shaft Extension: |
4.2 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 |
93.50 |
779.0 |
63.00 |
214.0 |
0 |
|
49.0 |
10.00 |
| Break-Down |
57.00 |
475.0 |
100.00 |
339.0 |
1,620 |
|
79.0 |
10.00 |
| 1/3 |
91.50 |
763.0 |
47.00 |
159.0 |
320 |
|
48.5 |
10.00 |
| 2/3 |
85.00 |
708.0 |
65.00 |
220.0 |
1,200 |
|
|
10.00 |
| Pull-Up |
88.00 |
733.0 |
55.00 |
186.0 |
1,000 |
|
|
10.00 |
Load Characteristics
| % of Rated Load |
0 % |
25 % |
50 % |
75 % |
100 % |
115 % |
125 % |
| Current (Amps) |
4.20 |
5.30 |
7.00 |
9.30 |
12.00 |
13.50 |
14.50 |
| Rated Output (KW) |
0.59 |
2.30 |
4.20 |
6.20 |
8.30 |
9.60 |
10.50 |
| Efficiency (%) |
0.0 |
81.5 |
88.0 |
89.5 |
90.2 |
89.5 |
89.0 |
| Power Factor (%) |
17.5 |
55.5 |
76.0 |
84.0 |
88.0 |
89.0 |
89.5 |
| Speed (RPM) |
1,800 |
1,795 |
1,790 |
1,780 |
1,775 |
1,770 |
1,765 |
| Temp. Rise @ FL |
0.0 |
0.0 |
0.0 |
0.0 |
45.0 |
60.0 |
0.0 |
| Torque (ft-lbs) |
0.00 |
7.30 |
14.50 |
22.00 |
29.50 |
34.00 |
37.00 |
Marathon Motors
Regal Beloit
