Description
256TTFNA16096 – Marathon 10 HP General Purpose Motor, 3 phase, 1200 RPM, 230/460 V, 256TC Frame, TEFC – C256B
256TTFNA16096 Marathon Three Phase TEFC Motors
Please advise CFM, static pressure, voltage, phase, and/or horsepower on specifications, drawings, or existing equipment for an accurate quote.
General Specifications
| UPC: |
722856050632 |
Weight: |
368 LB |
| Packaged Length: |
30.75 IN |
Packaged Width: |
21.75 IN |
| Packaged Height: |
18 IN |
Nameplate Specifications
| Output HP: |
10 Hp |
Output KW: |
7.5 kW |
| Frequency: |
60/50 Hz |
Voltage: |
230/460 V |
| Current: |
26.2/13.1 A |
Speed: |
1176 rpm |
| Service Factor: |
1.15 |
Phase: |
3 |
| Efficiency: |
91 % |
Power Factor: |
79 |
| Duty: |
Continuous |
Insulation Class: |
F |
| Design Code: |
B |
KVA Code: |
H |
| Frame: |
256TC |
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: |
43 |
Technical Specifications
| Electrical Type: |
Squirrel Cage Induction Run |
Starting Method: |
Across The Line |
| Poles: |
6 |
Rotation: |
Reversible |
| Resistance Main: |
.934 Ohms |
Mounting: |
Round |
| Motor Orientation: |
Horizontal |
Drive End Bearing: |
Ball |
| Opp Drive End Bearing: |
Ball |
Frame Material: |
Cast Iron |
| Shaft Type: |
T |
Overall Length: |
25.76 in |
| Frame Length: |
12.26 in |
Shaft Diameter: |
1.625 in |
| Shaft Extension: |
3.75 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 |
75.00 |
573.0 |
96.00 |
215.0 |
750 |
|
|
10.00 |
| Locked-Rotor |
81.00 |
618.0 |
92.00 |
206.0 |
0 |
|
41.0 |
10.00 |
| 1/3 |
80.00 |
611.0 |
85.00 |
190.0 |
250 |
|
|
10.00 |
| No Load |
6.50 |
50.0 |
0.00 |
0.0 |
1,200 |
|
|
10.00 |
| Break-Down |
53.50 |
408.0 |
139.00 |
311.0 |
1,055 |
|
69.5 |
10.00 |
| Full Load |
13.10 |
100.0 |
44.70 |
100.0 |
1,176 |
|
|
10.00 |
| Pull-Up |
78.00 |
595.0 |
86.00 |
192.0 |
400 |
|
|
10.00 |
Load Characteristics
| % of Rated Load |
0 % |
25 % |
50 % |
75 % |
100 % |
115 % |
125 % |
| Current (Amps) |
6.50 |
7.00 |
8.50 |
10.50 |
13.10 |
15.00 |
16.00 |
| Rated Output (KW) |
0.30 |
2.00 |
4.00 |
6.00 |
8.00 |
9.20 |
10.50 |
| Efficiency (%) |
0.0 |
84.0 |
90.2 |
91.0 |
91.0 |
90.2 |
89.5 |
| Power Factor (%) |
5.5 |
39.5 |
61.0 |
72.5 |
79.0 |
80.0 |
81.5 |
| Speed (RPM) |
1,200 |
1,195 |
1,190 |
1,180 |
1,176 |
1,170 |
1,165 |
| Temp. Rise @ FL |
0.0 |
30.0 |
25.0 |
0.0 |
40.0 |
55.0 |
70.0 |
| Torque (ft-lbs) |
0.00 |
11.00 |
22.00 |
33.50 |
44.70 |
51.00 |
56.00 |
Marathon Motors
Regal Beloit
