Description
447TSTDN7026 – Marathon 300 HP Fire Pump Motor, 3 phase, 1800 RPM, 460 V, 447TS Frame, ODP – H812
447TSTDN7026 Marathon Fire Pump Motors
General Specifications
| UPC: |
722856048660 |
Weight: |
0 LB |
| Packaged Length: |
56 IN |
Packaged Width: |
46 IN |
| Packaged Height: |
31.18 IN |
Nameplate Specifications
| Output HP: |
300 Hp |
Output KW: |
224.0 kW |
| Frequency: |
60/50 Hz |
Voltage: |
460 V |
| Current: |
345.0 A |
Speed: |
1780 rpm |
| Service Factor: |
1.15 |
Phase: |
3 |
| Efficiency: |
95.4 % |
Power Factor: |
85.5 |
| Duty: |
Continuous |
Insulation Class: |
F |
| Design Code: |
B |
KVA Code: |
F |
| Frame: |
447TS |
Enclosure: |
Drip Proof |
| Thermal Protection: |
No |
Ambient Temperature: |
50 °C |
| Drive End Bearing Size: |
6314 |
Opp Drive End Bearing Size: |
6314 |
| UL: |
Listed |
CSA: |
Y |
| CE: |
Y |
IP Code: |
12 |
Technical Specifications
| Electrical Type: |
Squirrel Cage Induction Run |
Starting Method: |
Part Wdg Start & Wye Start Delta Run |
| Poles: |
4 |
Rotation: |
Reversible |
| Resistance Main: |
.0161 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: |
39.58 in |
| Frame Length: |
24.38 in |
Shaft Diameter: |
2.375 in |
| Shaft Extension: |
5.01 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) |
| Full Load |
345.00 |
100.0 |
885.00 |
100.0 |
1,780 |
|
|
300.00 |
| Locked-Rotor |
2,000.00 |
580.0 |
1,250.00 |
140.0 |
0 |
|
26.0 |
300.00 |
| Pull-Up |
1,900.00 |
551.0 |
1,000.00 |
113.0 |
900 |
|
|
300.00 |
| Break-Down |
1,300.00 |
377.0 |
2,000.00 |
226.0 |
1,725 |
|
72.0 |
300.00 |
| 1/3 |
1,950.00 |
565.0 |
975.00 |
110.0 |
600 |
|
|
300.00 |
| 2/3 |
1,800.00 |
522.0 |
1,150.00 |
130.0 |
1,200 |
|
|
300.00 |
| No Load |
100.00 |
29.0 |
0.00 |
0.0 |
1,800 |
|
|
300.00 |
Load Characteristics
| % of Rated Load |
0 % |
25 % |
50 % |
75 % |
100 % |
115 % |
125 % |
| Current (Amps) |
100.00 |
130.00 |
190.00 |
265.00 |
345.00 |
395.00 |
430.00 |
| Rated Output (KW) |
4.00 |
59.50 |
117.00 |
175.00 |
234.00 |
270.00 |
294.00 |
| Efficiency (%) |
0.0 |
93.6 |
95.4 |
95.8 |
95.4 |
95.2 |
95.0 |
| Power Factor (%) |
5.0 |
58.0 |
78.0 |
84.0 |
85.5 |
85.5 |
85.5 |
| Speed (RPM) |
1,800 |
1,795 |
1,790 |
1,785 |
1,780 |
1,778 |
1,775 |
| Temp. Rise @ FL |
0.0 |
0.0 |
0.0 |
0.0 |
55.0 |
75.0 |
90.0 |
| Torque (ft-lbs) |
0.00 |
219.00 |
440.00 |
661.00 |
885.00 |
1,018.00 |
1,108.00 |
Marathon Motors
Regal Beloit
