Description
449TTDN16077 – Marathon 300 HP General Purpose Motor, 3 phase, 1200 RPM, 460 V, 449T Frame, ODP – U790
449TTDN16077 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: |
722856013552 |
Weight: |
0 LB |
Packaged Length: |
56 IN |
Packaged Width: |
46 IN |
Packaged Height: |
30.9 IN |
Nameplate Specifications
Output HP: |
300 Hp |
Output KW: |
224.0 kW |
Frequency: |
60/50 Hz |
Voltage: |
460 V |
Current: |
365.0 A |
Speed: |
1185 rpm |
Service Factor: |
1.15 |
Phase: |
3 |
Efficiency: |
95.8 % |
Power Factor: |
80.5 |
Duty: |
Continuous |
Insulation Class: |
F |
Design Code: |
B |
KVA Code: |
F |
Frame: |
449T |
Enclosure: |
Drip Proof |
Thermal Protection: |
No |
Ambient Temperature: |
40 °C |
Drive End Bearing Size: |
6319 |
Opp Drive End Bearing Size: |
6318 |
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: |
6 |
Rotation: |
Reversible |
Resistance Main: |
.014 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: |
48.29 in |
Frame Length: |
29.38 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 |
1,050.00 |
288.0 |
2,800.00 |
211.0 |
1,150 |
|
62.0 |
300.00 |
1/3 |
1,900.00 |
521.0 |
1,850.00 |
139.0 |
400 |
|
|
300.00 |
2/3 |
1,575.00 |
432.0 |
2,000.00 |
150.0 |
950 |
|
|
300.00 |
No Load |
136.00 |
37.0 |
0.00 |
0.0 |
1,200 |
|
|
300.00 |
Pull-Up |
1,775.00 |
486.0 |
1,850.00 |
139.0 |
700 |
|
|
300.00 |
Full Load |
365.00 |
100.0 |
1,330.00 |
100.0 |
1,185 |
|
|
300.00 |
Locked-Rotor |
1,950.00 |
534.0 |
2,075.00 |
156.0 |
0 |
|
28.0 |
300.00 |
Load Characteristics
% of Rated Load |
0 % |
25 % |
50 % |
75 % |
100 % |
115 % |
125 % |
Current (Amps) |
136.00 |
160.00 |
215.00 |
285.00 |
365.00 |
415.00 |
455.00 |
Rated Output (KW) |
4.00 |
59.50 |
117.00 |
175.00 |
234.00 |
270.00 |
295.00 |
Efficiency (%) |
0.0 |
94.1 |
95.4 |
95.8 |
95.8 |
95.4 |
95.0 |
Power Factor (%) |
2.5 |
46.0 |
68.0 |
77.0 |
80.5 |
81.0 |
81.5 |
Speed (RPM) |
1,200 |
1,196 |
1,192 |
1,188 |
1,185 |
1,182 |
1,180 |
Temp. Rise @ FL |
0.0 |
0.0 |
0.0 |
0.0 |
70.0 |
90.0 |
0.0 |
Torque (ft-lbs) |
0.00 |
330.00 |
660.00 |
995.00 |
1,330.00 |
1,528.00 |
1,668.00 |
Marathon Motors
Regal Beloit