Description
326TSTFPA14003 – Marathon 50 HP Definite Purpose AC Motor, 3 phase, 3600 RPM, 230/460 V, 326TSC Frame, TEFC – U834
326TSTFPA14003 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
| Packaged Length: |
35 IN |
Packaged Width: |
26 IN |
| Packaged Height: |
22.89 IN |
Nameplate Specifications
| Output HP: |
50 Hp |
Output KW: |
37 kW |
| Frequency: |
60/50 Hz |
Voltage: |
230/460 V |
| Current: |
115/57.5 A |
Speed: |
3540 rpm |
| Service Factor: |
1.15 |
Phase: |
3 |
| Efficiency: |
92.4 % |
Power Factor: |
88.5 |
| Duty: |
CONTINUOUS |
Insulation Class: |
F |
| Design Code: |
B |
KVA Code: |
G |
| Frame: |
326TSC |
Enclosure: |
TEFC |
| Thermal Protection: |
NOT |
Ambient Temperature: |
40 °C |
| Drive End Bearing Size: |
6312 |
Opp Drive End Bearing Size: |
6311 |
| UL: |
Recognized |
CSA: |
Y |
| CE: |
Y |
IP Code: |
43 |
Technical Specifications
| Electrical Type: |
SQ CAGE IND RUN |
Starting Method: |
ACROSS THE LINE |
| Poles: |
2 |
Rotation: |
REV |
| Resistance Main: |
0.162 Ohms |
Mounting: |
RIGID |
| Motor Orientation: |
HORIZONTAL |
Drive End Bearing: |
BALL |
| Opp Drive End Bearing: |
BALL |
Frame Material: |
CAST IRON |
| Shaft Type: |
TS |
Overall Length: |
28.97 in |
| Frame Length: |
16.25 in |
Shaft Diameter: |
1.88 in |
| Shaft Extension: |
3.5 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) |
| No Load |
18.50 |
32.0 |
0.00 |
0.0 |
3,600 |
|
|
50.00 |
| Break-Down |
225.00 |
391.0 |
205.00 |
277.0 |
3,300 |
|
70.0 |
50.00 |
| Locked-Rotor |
360.00 |
626.0 |
115.00 |
155.0 |
0 |
|
35.0 |
50.00 |
| 1/3 |
350.00 |
609.0 |
100.00 |
135.0 |
1,000 |
|
|
50.00 |
| Pull-Up |
325.00 |
565.0 |
100.00 |
135.0 |
1,500 |
|
|
50.00 |
| 2/3 |
275.00 |
478.0 |
110.00 |
149.0 |
2,000 |
|
|
50.00 |
| Full Load |
57.50 |
100.0 |
74.00 |
100.0 |
3,540 |
|
|
50.00 |
Load Characteristics
| % of Rated Load |
0 % |
25 % |
50 % |
75 % |
100 % |
115 % |
125 % |
| Current (Amps) |
18.50 |
23.00 |
32.50 |
44.50 |
57.50 |
65.50 |
71.00 |
| Rated Output (KW) |
1.50 |
10.80 |
20.50 |
30.50 |
40.50 |
46.80 |
51.00 |
| Efficiency (%) |
0.0 |
87.5 |
91.7 |
92.4 |
92.4 |
91.7 |
91.0 |
| Power Factor (%) |
8.0 |
58.5 |
78.5 |
86.0 |
88.5 |
89.5 |
89.5 |
| Speed (RPM) |
3,600 |
3,585 |
3,570 |
3,555 |
3,540 |
3,530 |
3,520 |
| Temp. Rise @ FL |
0.0 |
0.0 |
0.0 |
0.0 |
75.0 |
105.0 |
0.0 |
| Torque (ft-lbs) |
0.00 |
18.50 |
37.00 |
55.50 |
74.00 |
85.50 |
93.00 |
Marathon Motors
Regal Beloit
