Description
449TSTFS14012 – Marathon 250 HP Fire Pump Motor, 3 phase, 3600 RPM, 460 V, 449TS Frame, TEFC – Y1640
449TSTFS14012 Marathon Fire Pump Motors
General Specifications
| UPC: |
722856132772 |
Weight: |
0 LB |
| Packaged Length: |
56 IN |
Packaged Width: |
46 IN |
| Packaged Height: |
32.05 IN |
Nameplate Specifications
| Output HP: |
250 Hp |
Output KW: |
187.0 kW |
| Frequency: |
60/50 Hz |
Voltage: |
460 V |
| Current: |
270.0 A |
Speed: |
3572 rpm |
| Service Factor: |
1.15 |
Phase: |
3 |
| Efficiency: |
95.4 % |
Power Factor: |
90 |
| Duty: |
Continuous |
Insulation Class: |
F |
| Design Code: |
B |
KVA Code: |
G |
| Frame: |
447/449TS |
Enclosure: |
Totally Enclosed Fan Cooled |
| Thermal Protection: |
No |
Ambient Temperature: |
40 °C |
| Drive End Bearing Size: |
6313 |
Opp Drive End Bearing Size: |
6313 |
| UL: |
No |
CSA: |
Y |
| CE: |
Y |
IP Code: |
43 |
Technical Specifications
| Electrical Type: |
Squirrel Cage Induction Run |
Starting Method: |
Part Wdg Start & Wye Start Delta Run |
| Poles: |
2 |
Rotation: |
Reversible |
| Resistance Main: |
.0106 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: |
48.11 in |
| Frame Length: |
28.75 in |
Shaft Diameter: |
2.375 in |
| Shaft Extension: |
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) |
| Break-Down |
1,050.00 |
389.0 |
975.00 |
265.0 |
3,420 |
|
66.0 |
250.00 |
| Pull-Up |
1,700.00 |
630.0 |
535.00 |
145.0 |
1,800 |
|
|
250.00 |
| No Load |
63.00 |
23.4 |
0.00 |
0.0 |
3,600 |
|
9.0 |
250.00 |
| 2/3 |
1,600.00 |
593.0 |
665.00 |
181.0 |
2,400 |
|
|
250.00 |
| Locked-Rotor |
1,800.00 |
667.0 |
625.00 |
170.0 |
0 |
|
26.0 |
250.00 |
| Full Load |
270.00 |
100.0 |
368.00 |
100.0 |
3,572 |
|
90.0 |
250.00 |
| 1/3 |
1,750.00 |
648.0 |
525.00 |
143.0 |
1,200 |
|
|
250.00 |
Load Characteristics
| % of Rated Load |
0 % |
25 % |
50 % |
75 % |
100 % |
115 % |
125 % |
| Current (Amps) |
63.00 |
92.00 |
146.00 |
206.00 |
270.00 |
310.00 |
338.00 |
| Rated Output (KW) |
5.00 |
52.00 |
100.00 |
147.00 |
195.00 |
225.00 |
245.00 |
| Efficiency (%) |
0.0 |
89.5 |
93.6 |
95.0 |
95.4 |
95.4 |
95.0 |
| Power Factor (%) |
9.0 |
70.0 |
85.0 |
88.0 |
90.0 |
90.0 |
90.0 |
| Speed (RPM) |
3,600 |
3,592 |
3,585 |
3,580 |
3,572 |
3,568 |
3,565 |
| Temp. Rise @ FL |
0.0 |
0.0 |
0.0 |
0.0 |
75.0 |
105.0 |
0.0 |
| Torque (ft-lbs) |
0.00 |
91.50 |
183.00 |
275.00 |
368.00 |
423.00 |
460.00 |
Marathon Motors
Regal Beloit
