Description
445TTDN16002 – Marathon 250 HP Vertical Solid Shaft P-Base Motor, 3 phase, 3600 RPM, 460 V, 445HPV Frame, ODP – M761
445TTDN16002 Marathon Vertical Solid Shaft P-Base Motors
General Specifications
| UPC: |
722856052667 |
Weight: |
0 LB |
| Packaged Length: |
52.5 IN |
Packaged Width: |
42.5 IN |
| Packaged Height: |
40.52 IN |
Nameplate Specifications
| Output HP: |
250 Hp |
Output KW: |
187.0 kW |
| Frequency: |
60 Hz |
Voltage: |
460 V |
| Current: |
275.0 A |
Speed: |
3570 rpm |
| Service Factor: |
1.15 |
Phase: |
3 |
| Efficiency: |
95.4 % |
Power Factor: |
89 |
| Duty: |
Continuous |
Insulation Class: |
F |
| Design Code: |
B |
KVA Code: |
G |
| Frame: |
445HPV |
Enclosure: |
Drip Proof |
| Thermal Protection: |
No |
Ambient Temperature: |
40 °C |
| Drive End Bearing Size: |
6313 |
Opp Drive End Bearing Size: |
7313 2 |
| UL: |
Recognized |
CSA: |
Y |
| CE: |
Y |
IP Code: |
22 |
Technical Specifications
| Electrical Type: |
Squirrel Cage Induction Run |
Starting Method: |
Across The Line |
| Poles: |
2 |
Rotation: |
Reversible |
| Resistance Main: |
.0215 Ohms |
Mounting: |
Round |
| Motor Orientation: |
Shaft Down |
Drive End Bearing: |
Ball |
| Opp Drive End Bearing: |
Duplex Tandem Angular Contact |
Frame Material: |
Cast Iron |
| Shaft Type: |
HP |
Overall Length: |
41.72 in |
| Shaft Diameter: |
3.375 in |
Shaft Extension: |
4.5 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 |
400.0 |
1,000.00 |
272.0 |
3,425 |
|
70.0 |
250.00 |
| No Load |
72.00 |
26.4 |
0.00 |
0.0 |
3,600 |
|
5.5 |
250.00 |
| Pull-Up |
1,650.00 |
607.0 |
400.00 |
109.0 |
1,800 |
|
|
250.00 |
| Locked-Rotor |
1,800.00 |
662.0 |
550.00 |
150.0 |
0 |
|
26.0 |
250.00 |
| 2/3 |
1,400.00 |
515.0 |
500.00 |
136.0 |
2,400 |
|
|
250.00 |
| Full Load |
275.00 |
100.0 |
368.00 |
100.0 |
3,570 |
|
89.0 |
250.00 |
| 1/3 |
1,750.00 |
643.0 |
400.00 |
109.0 |
1,200 |
|
|
250.00 |
Load Characteristics
| % of Rated Load |
0 % |
25 % |
50 % |
75 % |
100 % |
115 % |
125 % |
| Current (Amps) |
72.00 |
98.00 |
148.00 |
210.00 |
275.00 |
315.00 |
345.00 |
| Rated Output (KW) |
5.00 |
50.50 |
98.00 |
147.00 |
195.00 |
226.00 |
247.00 |
| Efficiency (%) |
0.0 |
92.4 |
95.0 |
95.4 |
95.4 |
95.0 |
94.5 |
| Power Factor (%) |
6.0 |
65.0 |
82.0 |
87.0 |
89.0 |
89.5 |
89.5 |
| Speed (RPM) |
3,600 |
3,592 |
3,585 |
3,578 |
3,570 |
3,565 |
3,562 |
| Temp. Rise @ FL |
0.0 |
0.0 |
0.0 |
0.0 |
65.0 |
85.0 |
0.0 |
| Torque (ft-lbs) |
0.00 |
91.50 |
183.00 |
275.00 |
368.00 |
424.00 |
461.00 |
Marathon Motors
Regal Beloit
