Description
256TTDC6003 – Marathon 25 HP General Purpose Motor, 3 phase, 3600 RPM, 575 V, 256T Frame, ODP – U291
256TTDC6003 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: |
722856012944 |
Weight: |
325 LB |
| Packaged Length: |
27 IN |
Packaged Width: |
20.5 IN |
| Packaged Height: |
18 IN |
Nameplate Specifications
| Output HP: |
25 Hp |
Output KW: |
18.7 kW |
| Frequency: |
60 Hz |
Voltage: |
575 V |
| Current: |
22.9 A |
Speed: |
3545 rpm |
| Service Factor: |
1.15 |
Phase: |
3 |
| Efficiency: |
93 % |
Power Factor: |
89 |
| Duty: |
Continuous |
Insulation Class: |
F |
| Design Code: |
B |
KVA Code: |
G |
| Frame: |
256T |
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: |
22 |
Technical Specifications
| Electrical Type: |
Squirrel Cage Induction Run |
Starting Method: |
Across The Line |
| Poles: |
2 |
Rotation: |
Reversible |
| Resistance Main: |
.326 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: |
22.60 in |
| Shaft Diameter: |
1.625 in |
Shaft Extension: |
4.25 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 |
182.00 |
636.0 |
70.30 |
187.0 |
0 |
0.00 |
0.0 |
25.00 |
| No Load |
6.40 |
22.0 |
0.00 |
0.0 |
3,600 |
0.00 |
0.0 |
25.00 |
| Pull-Up |
0.00 |
0.0 |
58.70 |
0.0 |
0 |
0.00 |
0.0 |
25.00 |
| Break-Down |
0.00 |
0.0 |
105.00 |
0.0 |
0 |
0.00 |
0.0 |
25.00 |
| Full Load |
28.60 |
100.0 |
37.50 |
100.0 |
3,545 |
0.00 |
0.0 |
25.00 |
Load Characteristics
| % of Rated Load |
0 % |
25 % |
50 % |
75 % |
100 % |
115 % |
125 % |
| Current (Amps) |
5.12 |
7.84 |
12.32 |
17.28 |
22.88 |
26.40 |
28.80 |
| Rated Output (KW) |
0.50 |
5.40 |
10.40 |
15.30 |
20.30 |
23.50 |
25.60 |
| Efficiency (%) |
0.0 |
88.0 |
92.0 |
92.5 |
93.0 |
92.3 |
91.7 |
| Power Factor (%) |
10.0 |
69.0 |
84.5 |
89.0 |
89.7 |
89.5 |
90.0 |
| Speed (RPM) |
3,600 |
3,585 |
3,575 |
3,560 |
3,545 |
3,535 |
3,525 |
| Temp. Rise @ FL |
0.0 |
0.0 |
0.0 |
0.0 |
47.0 |
0.0 |
0.0 |
| Torque (ft-lbs) |
0.00 |
9.40 |
18.80 |
28.00 |
37.50 |
43.10 |
47.00 |
Marathon Motors
Regal Beloit
