Description
256TTDBD6008 – Marathon 25 HP Close-Coupled Pump Motor, 3 phase, 3600 RPM, 575 V, 256JM Frame, ODP – GT0564
256TTDBD6008 Marathon JM Motors
General Specifications
| UPC: |
722856063601 |
Weight: |
302 LB |
| Packaged Length: |
31.77 IN |
Packaged Width: |
28.03 IN |
| Packaged Height: |
28.14 IN |
Nameplate Specifications
| Output HP: |
25 Hp |
Output KW: |
18.7 kW |
| Frequency: |
60 Hz |
Voltage: |
575 V |
| Current: |
23.8 A |
Speed: |
3556 rpm |
| Service Factor: |
1.15 |
Phase: |
3 |
| Efficiency: |
91.7 % |
Power Factor: |
86 |
| Duty: |
Continuous |
Insulation Class: |
F |
| Design Code: |
B |
KVA Code: |
G |
| Frame: |
256JM |
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 Inverter Rated |
Starting Method: |
Line Or Inverter |
| Poles: |
2 |
Rotation: |
Selective Clockwise |
| Resistance Main: |
.4758 Ohms |
Mounting: |
Rigid Base |
| Motor Orientation: |
Horizontal |
Drive End Bearing: |
Ball |
| Opp Drive End Bearing: |
Ball |
Frame Material: |
Rolled Steel |
| Shaft Type: |
JM |
Overall Length: |
25.99 in |
| Frame Length: |
12.20 in |
Shaft Diameter: |
1.249 in |
| Shaft Extension: |
5.5 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) |
| 1/3 |
165.00 |
556.0 |
58.00 |
157.0 |
1,200 |
|
|
25.00 |
| Full Load |
29.70 |
100.0 |
37.00 |
100.0 |
3,556 |
|
86.0 |
25.00 |
| Pull-Up |
156.00 |
525.0 |
59.00 |
159.0 |
1,800 |
|
|
25.00 |
| No Load |
12.60 |
42.0 |
0.00 |
0.0 |
3,600 |
|
6.5 |
25.00 |
| 2/3 |
143.00 |
481.0 |
73.00 |
197.0 |
2,400 |
|
|
25.00 |
| Locked-Rotor |
175.00 |
589.0 |
70.00 |
189.0 |
0 |
|
40.0 |
25.00 |
| Break-Down |
104.00 |
350.0 |
93.00 |
251.0 |
3,345 |
|
73.0 |
25.00 |
Load Characteristics
| % of Rated Load |
0 % |
25 % |
50 % |
75 % |
100 % |
115 % |
125 % |
| Current (Amps) |
10.08 |
11.36 |
14.48 |
18.80 |
23.76 |
26.96 |
29.20 |
| Rated Output (KW) |
0.80 |
5.40 |
10.20 |
15.20 |
20.30 |
23.50 |
25.60 |
| Efficiency (%) |
0.0 |
88.5 |
91.4 |
92.1 |
91.7 |
91.4 |
91.0 |
| Power Factor (%) |
6.5 |
47.5 |
70.5 |
81.0 |
86.0 |
87.5 |
88.0 |
| Speed (RPM) |
3,600 |
3,590 |
3,578 |
3,568 |
3,556 |
3,550 |
3,545 |
| Temp. Rise @ FL |
0.0 |
0.0 |
0.0 |
0.0 |
55.0 |
65.0 |
70.0 |
| Torque (ft-lbs) |
0.00 |
9.20 |
18.40 |
27.70 |
37.00 |
42.60 |
46.60 |
Marathon Motors
Regal Beloit
