Description
284TTFPA14055 – Marathon 25 HP Fire Pump Motor, 3 phase, 1800 RPM, 230/460 V, 284T Frame, TEFC – Y1613
284TTFPA14055 Marathon Fire Pump Motors
General Specifications
| UPC: |
722856132581 |
Weight: |
369 LB |
| Packaged Length: |
30.75 IN |
Packaged Width: |
21.75 IN |
| Packaged Height: |
18 IN |
Nameplate Specifications
| Output HP: |
25 Hp |
Output KW: |
18.7 kW |
| Frequency: |
60/50 Hz |
Voltage: |
230/460 V |
| Current: |
61.0/30.5 A |
Speed: |
1775 rpm |
| Service Factor: |
1.15 |
Phase: |
3 |
| Efficiency: |
92.4 % |
Power Factor: |
83 |
| Duty: |
Continuous |
Insulation Class: |
F |
| Design Code: |
B |
KVA Code: |
G |
| Frame: |
284T |
Enclosure: |
Totally Enclosed Fan Cooled |
| Thermal Protection: |
No |
Ambient Temperature: |
40 °C |
| Drive End Bearing Size: |
6311 |
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: |
Part Wdg Start Low Volt Only & Wye Start Delta Run |
| Poles: |
4 |
Rotation: |
Reversible |
| Resistance Main: |
.35 Ohms |
Mounting: |
Rigid Base |
| Motor Orientation: |
Horizontal |
Drive End Bearing: |
Ball |
| Opp Drive End Bearing: |
Ball |
Frame Material: |
Cast Iron |
| Shaft Type: |
T |
Overall Length: |
26.39 in |
| Frame Length: |
12.76 in |
Shaft Diameter: |
1.875 in |
| Shaft Extension: |
4.87 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 |
12.00 |
39.0 |
0.00 |
0.0 |
1,800 |
|
5.5 |
25.00 |
| Locked-Rotor |
178.00 |
584.0 |
145.00 |
196.0 |
0 |
|
42.0 |
25.00 |
| Pull-Up |
165.00 |
541.0 |
125.00 |
169.0 |
900 |
|
|
25.00 |
| Break-Down |
105.00 |
344.0 |
190.00 |
257.0 |
1,625 |
|
66.0 |
25.00 |
| 2/3 |
145.00 |
475.0 |
140.00 |
189.0 |
1,200 |
|
|
25.00 |
| 1/3 |
175.00 |
574.0 |
125.00 |
169.0 |
600 |
|
|
25.00 |
| Full Load |
30.50 |
100.0 |
74.00 |
100.0 |
1,775 |
|
83.0 |
25.00 |
Load Characteristics
| % of Rated Load |
0 % |
25 % |
50 % |
75 % |
100 % |
115 % |
125 % |
| Current (Amps) |
12.00 |
14.00 |
18.20 |
24.00 |
30.50 |
35.00 |
37.50 |
| Rated Output (KW) |
0.75 |
5.40 |
10.20 |
15.20 |
20.00 |
23.20 |
25.50 |
| Efficiency (%) |
0.0 |
88.5 |
92.4 |
92.4 |
92.4 |
92.4 |
91.7 |
| Power Factor (%) |
5.5 |
47.0 |
69.0 |
78.5 |
83.0 |
84.0 |
84.5 |
| Speed (RPM) |
1,800 |
1,795 |
1,785 |
1,780 |
1,775 |
1,770 |
1,765 |
| Temp. Rise @ FL |
0.0 |
0.0 |
0.0 |
0.0 |
75.0 |
105.0 |
0.0 |
| Torque (ft-lbs) |
0.00 |
18.30 |
36.70 |
55.40 |
74.00 |
85.50 |
93.00 |
Marathon Motors
Regal Beloit
