Description
256TTFCA6006 – Marathon 20 HP Close-Coupled Pump Motor, 3 phase, 3600 RPM, 230/460 V, 256JM Frame, TEFC – GT3124
256TTFCA6006 Marathon JM Motors
General Specifications
| UPC: |
722856005120 |
Weight: |
373 LB |
| Packaged Length: |
31.77 IN |
Packaged Width: |
28.03 IN |
| Packaged Height: |
28.14 IN |
Nameplate Specifications
| Output HP: |
20 Hp |
Output KW: |
14.9 kW |
| Frequency: |
60/50 Hz |
Voltage: |
230/460 V |
| Current: |
46.5/23.2 A |
Speed: |
3550 rpm |
| Service Factor: |
1.15 |
Phase: |
3 |
| Efficiency: |
91 % |
Power Factor: |
89 |
| Duty: |
Continuous |
Insulation Class: |
F |
| Design Code: |
B |
KVA Code: |
G |
| Frame: |
256JM |
Enclosure: |
Totally Enclosed Fan Cooled |
| Thermal Protection: |
No |
Ambient Temperature: |
40 °C |
| Drive End Bearing Size: |
6209 |
Opp Drive End Bearing Size: |
6209 |
| UL: |
Recognized |
CSA: |
Y |
| CE: |
Y |
IP Code: |
43 |
Technical Specifications
| Electrical Type: |
Squirrel Cage Inverter Rated |
Starting Method: |
Line Or Inverter |
| Poles: |
2 |
Rotation: |
Reversible |
| Resistance Main: |
.366 Ohms |
Mounting: |
Rigid Base |
| Motor Orientation: |
Horizontal |
Drive End Bearing: |
Ball |
| Opp Drive End Bearing: |
Ball |
Frame Material: |
Cast Iron |
| Shaft Type: |
JM |
Overall Length: |
27.80 in |
| Shaft Diameter: |
1.25 in |
Shaft Extension: |
5.25 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) |
| 2/3 |
119.00 |
517.0 |
49.00 |
164.0 |
2,400 |
|
|
20.00 |
| No Load |
6.30 |
27.0 |
0.00 |
0.0 |
3,600 |
|
13.5 |
20.00 |
| Pull-Up |
126.00 |
548.0 |
46.00 |
155.0 |
1,800 |
|
|
20.00 |
| Break-Down |
85.00 |
370.0 |
75.00 |
254.0 |
3,450 |
|
70.5 |
20.00 |
| Locked-Rotor |
140.00 |
600.0 |
54.00 |
182.0 |
0 |
|
35.5 |
20.00 |
| 1/3 |
133.00 |
578.0 |
46.00 |
155.0 |
1,200 |
|
|
20.00 |
| Full Load |
23.20 |
100.0 |
29.60 |
100.0 |
3,550 |
|
89.0 |
20.00 |
Load Characteristics
| % of Rated Load |
0 % |
25 % |
50 % |
75 % |
100 % |
115 % |
125 % |
| Current (Amps) |
6.30 |
8.60 |
12.70 |
17.50 |
23.20 |
26.80 |
29.00 |
| Rated Output (KW) |
0.90 |
4.50 |
8.40 |
12.40 |
16.50 |
19.10 |
20.80 |
| Efficiency (%) |
0.0 |
84.5 |
89.5 |
91.0 |
91.0 |
91.0 |
90.2 |
| Power Factor (%) |
11.0 |
64.5 |
82.0 |
87.5 |
89.0 |
90.0 |
90.0 |
| Speed (RPM) |
3,600 |
3,585 |
3,575 |
3,565 |
3,550 |
3,545 |
3,530 |
| Temp. Rise @ FL |
0.0 |
0.0 |
0.0 |
0.0 |
50.0 |
70.0 |
85.0 |
| Torque (ft-lbs) |
0.00 |
7.30 |
14.70 |
22.00 |
29.60 |
34.00 |
37.00 |
Marathon Motors
Regal Beloit
