Description
284TTDBD4035 – Marathon 25 HP Fire Pump Motor, 3 phase, 1800 RPM, 575 V, 284T Frame, ODP – U1101
284TTDBD4035 Marathon Fire Pump Motors
General Specifications
| UPC: |
722856067401 |
Weight: |
378 LB |
| Packaged Length: |
30.43 IN |
Packaged Width: |
21.64 IN |
| Packaged Height: |
24.05 IN |
Nameplate Specifications
| Output HP: |
25 Hp |
Output KW: |
18.7 kW |
| Frequency: |
60 Hz |
Voltage: |
575 V |
| Current: |
24.4 A |
Speed: |
1772 rpm |
| Service Factor: |
1.15 |
Phase: |
3 |
| Efficiency: |
91.7 % |
Power Factor: |
83 |
| Duty: |
Continuous |
Insulation Class: |
F |
| Design Code: |
B |
KVA Code: |
F |
| Frame: |
284T |
Enclosure: |
Drip Proof |
| Thermal Protection: |
No |
Ambient Temperature: |
50 °C |
| Drive End Bearing Size: |
6311 |
Opp Drive End Bearing Size: |
6210 |
| UL: |
Listed |
CSA: |
Y |
| CE: |
Y |
IP Code: |
23 |
Technical Specifications
| Electrical Type: |
Squirrel Cage Induction Run |
Starting Method: |
Part Wdg Start & Wye Start Delta Run |
| Poles: |
4 |
Rotation: |
Reversible |
| Resistance Main: |
.585 Ohms |
Mounting: |
Rigid Base |
| Motor Orientation: |
Horizontal |
Drive End Bearing: |
Ball |
| Opp Drive End Bearing: |
Ball |
Frame Material: |
Rolled Steel |
| Shaft Type: |
T |
Overall Length: |
25.71 in |
| Frame Length: |
12.59 in |
Shaft Diameter: |
1.875 in |
| Shaft Extension: |
4.62 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 |
100.00 |
|
170.00 |
230.0 |
1,675 |
|
70.0 |
25.00 |
| Locked-Rotor |
175.00 |
|
120.00 |
162.0 |
0 |
|
44.0 |
25.00 |
| 2/3 |
125.00 |
|
125.00 |
|
1,200 |
|
|
25.00 |
| 1/3 |
155.00 |
|
105.00 |
|
600 |
|
|
25.00 |
| Full Load |
30.50 |
100.0 |
74.00 |
100.0 |
1,772 |
|
83.0 |
25.00 |
| No Load |
12.50 |
|
0.00 |
0.0 |
1,800 |
|
5.0 |
25.00 |
| Pull-Up |
140.00 |
|
105.00 |
|
900 |
|
|
25.00 |
Load Characteristics
| % of Rated Load |
0 % |
25 % |
50 % |
75 % |
100 % |
115 % |
125 % |
| Current (Amps) |
10.00 |
11.20 |
14.80 |
19.20 |
24.40 |
28.00 |
30.40 |
| Rated Output (KW) |
0.75 |
5.20 |
10.20 |
15.20 |
20.50 |
23.50 |
26.00 |
| Efficiency (%) |
0.0 |
88.5 |
91.0 |
91.7 |
91.7 |
91.0 |
90.2 |
| Power Factor (%) |
5.0 |
47.0 |
69.0 |
79.0 |
83.0 |
85.0 |
85.0 |
| Speed (RPM) |
1,800 |
1,792 |
1,786 |
1,780 |
1,772 |
1,768 |
1,762 |
| Temp. Rise @ FL |
0.0 |
0.0 |
0.0 |
0.0 |
40.0 |
55.0 |
65.0 |
| Torque (ft-lbs) |
0.00 |
18.50 |
37.00 |
55.50 |
74.00 |
85.50 |
93.00 |
Marathon Motors
Regal Beloit
