Description
447TTDN16044 – Marathon 350 HP General Purpose Motor, 3 phase, 1800 RPM, 460 V, 447T Frame, ODP – U792
447TTDN16044 Marathon Three Phase ODP Motors
Please advise CFM, static pressure, voltage, phase, and/or horsepower on specifications, drawings, or existing equipment for an accurate quote.
General Specifications
| UPC: |
722856132147 |
Weight: |
0 LB |
| Packaged Length: |
56 IN |
Packaged Width: |
46 IN |
| Packaged Height: |
32.36 IN |
Nameplate Specifications
| Output HP: |
350 Hp |
Output KW: |
260.0 kW |
| Frequency: |
60/50 Hz |
Voltage: |
460 V |
| Current: |
395.0 A |
Speed: |
1785 rpm |
| Service Factor: |
1.15 |
Phase: |
3 |
| Efficiency: |
95.8 % |
Power Factor: |
87 |
| Duty: |
Continuous |
Insulation Class: |
F |
| Design Code: |
B |
KVA Code: |
G |
| Frame: |
447T |
Enclosure: |
Drip Proof |
| Thermal Protection: |
No |
Ambient Temperature: |
40 °C |
| Drive End Bearing Size: |
6318 |
Opp Drive End Bearing Size: |
6314 |
| UL: |
Recognized |
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: |
.012 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: |
43.29 in |
| Frame Length: |
24.38 in |
Shaft Diameter: |
3.375 in |
| Shaft Extension: |
8.75 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 |
1,350.00 |
350.0 |
2,400.00 |
233.0 |
1,725 |
|
65.0 |
350.00 |
| 1/3 |
2,250.00 |
575.0 |
1,400.00 |
136.0 |
600 |
|
|
350.00 |
| Full Load |
395.00 |
100.0 |
1,030.00 |
100.0 |
1,785 |
|
87.0 |
350.00 |
| Pull-Up |
2,150.00 |
550.0 |
1,450.00 |
141.0 |
900 |
|
|
350.00 |
| No Load |
115.00 |
28.0 |
0.00 |
0.0 |
1,800 |
|
4.0 |
350.00 |
| 2/3 |
1,950.00 |
500.0 |
1,750.00 |
170.0 |
1,500 |
|
|
350.00 |
| Locked-Rotor |
2,400.00 |
625.0 |
1,650.00 |
160.0 |
0 |
|
30.0 |
350.00 |
Load Characteristics
| % of Rated Load |
0 % |
25 % |
50 % |
75 % |
100 % |
115 % |
125 % |
| Current (Amps) |
115.00 |
150.00 |
220.00 |
302.00 |
395.00 |
455.00 |
490.00 |
| Rated Output (KW) |
6.00 |
69.50 |
136.00 |
204.00 |
272.00 |
314.00 |
342.00 |
| Efficiency (%) |
0.0 |
93.6 |
95.4 |
95.8 |
95.8 |
95.8 |
95.4 |
| Power Factor (%) |
4.0 |
58.0 |
78.0 |
85.0 |
87.0 |
87.5 |
87.5 |
| Speed (RPM) |
1,800 |
1,796 |
1,792 |
1,790 |
1,785 |
1,782 |
1,780 |
| Temp. Rise @ FL |
0.0 |
0.0 |
0.0 |
0.0 |
55.0 |
75.0 |
90.0 |
| Torque (ft-lbs) |
0.00 |
256.00 |
512.00 |
770.00 |
1,030.00 |
1,188.00 |
1,295.00 |
Marathon Motors
Regal Beloit
