Description
326TSTFPA14013 – Marathon 50 HP Fire Pump Motor, 3 phase, 3600 RPM, 230/460 V, 326TS Frame, TEFC – Y1619
326TSTFPA14013 Marathon Fire Pump Motors
General Specifications
| UPC: |
722856132635 |
Weight: |
522 LB |
| Packaged Length: |
39 IN |
Packaged Width: |
32.25 IN |
| Packaged Height: |
21.95 IN |
Nameplate Specifications
| Output HP: |
50 Hp |
Output KW: |
37.0 kW |
| Frequency: |
60/50 Hz |
Voltage: |
230/460 V |
| Current: |
112.0/56.0 A |
Speed: |
3545 rpm |
| Service Factor: |
1.15 |
Phase: |
3 |
| Efficiency: |
92.4 % |
Power Factor: |
89 |
| Duty: |
Continuous |
Insulation Class: |
F |
| Design Code: |
B |
KVA Code: |
G |
| Frame: |
326TS |
Enclosure: |
Totally Enclosed Fan Cooled |
| Thermal Protection: |
No |
Ambient Temperature: |
40 °C |
| Drive End Bearing Size: |
6312 |
Opp Drive End Bearing Size: |
6311 |
| UL: |
Listed |
CSA: |
Y |
| CE: |
Y |
IP Code: |
43 |
Technical Specifications
| Electrical Type: |
Squirrel Cage Induction Run |
Starting Method: |
Part Wdg Start Low Volt Only & Wye Start Delta Run |
| Poles: |
2 |
Rotation: |
Reversible |
| Resistance Main: |
.158 Ohms |
Mounting: |
Rigid Base |
| 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: |
1.875 in |
| Shaft Extension: |
3.94 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 |
354.00 |
632.0 |
115.00 |
155.0 |
3,300 |
|
35.0 |
50.00 |
| Break-Down |
225.00 |
405.0 |
200.00 |
270.0 |
3,325 |
|
71.0 |
50.00 |
| 1/3 |
345.00 |
616.0 |
90.00 |
121.0 |
900 |
|
|
50.00 |
| No Load |
14.50 |
26.0 |
0.00 |
0.0 |
3,600 |
|
10.0 |
50.00 |
| 2/3 |
310.00 |
555.0 |
125.00 |
168.0 |
2,700 |
|
|
50.00 |
| Pull-Up |
330.00 |
590.0 |
90.00 |
121.0 |
1,800 |
|
|
50.00 |
| Full Load |
56.00 |
100.0 |
74.00 |
100.0 |
3,545 |
|
89.0 |
50.00 |
Load Characteristics
| % of Rated Load |
0 % |
25 % |
50 % |
75 % |
100 % |
115 % |
125 % |
| Current (Amps) |
14.50 |
20.00 |
30.50 |
43.00 |
56.00 |
64.50 |
70.00 |
| Rated Output (KW) |
2.00 |
10.80 |
20.30 |
30.20 |
40.50 |
46.50 |
50.80 |
| Efficiency (%) |
0.0 |
86.5 |
91.7 |
92.4 |
92.4 |
92.4 |
91.7 |
| Power Factor (%) |
10.0 |
67.0 |
83.0 |
88.0 |
89.0 |
90.0 |
90.0 |
| Speed (RPM) |
3,600 |
3,585 |
3,575 |
3,560 |
3,545 |
3,535 |
3,530 |
| 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
