Description
447TSTDN16004 – Marathon 250 HP General Purpose Motor, 3 phase, 3600 RPM, 460 V, 447TS Frame, ODP – U785
447TSTDN16004 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: |
722856013514 |
Weight: |
0 LB |
| Packaged Length: |
56 IN |
Packaged Width: |
46 IN |
| Packaged Height: |
31.18 IN |
Nameplate Specifications
| Output HP: |
250 Hp |
Output KW: |
187.0 kW |
| Frequency: |
60 Hz |
Voltage: |
460 V |
| Current: |
275.0 A |
Speed: |
3572 rpm |
| Service Factor: |
1.15 |
Phase: |
3 |
| Efficiency: |
95.4 % |
Power Factor: |
88 |
| Duty: |
Continuous |
Insulation Class: |
F |
| Design Code: |
B |
KVA Code: |
F |
| Frame: |
447TS |
Enclosure: |
Drip Proof |
| Thermal Protection: |
No |
Ambient Temperature: |
40 °C |
| Drive End Bearing Size: |
6314 |
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: |
2 |
Rotation: |
Reversible |
| Resistance Main: |
.016 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: |
39.50 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) |
| 1/3 |
1,600.00 |
582.0 |
400.00 |
108.0 |
1,200 |
|
|
250.00 |
| Locked-Rotor |
1,675.00 |
610.0 |
475.00 |
128.0 |
0 |
|
24.0 |
250.00 |
| 2/3 |
1,300.00 |
475.0 |
550.00 |
148.0 |
2,400 |
|
|
250.00 |
| Break-Down |
1,050.00 |
382.0 |
950.00 |
258.0 |
3,450 |
|
66.0 |
250.00 |
| No Load |
80.00 |
29.0 |
0.00 |
0.0 |
3,600 |
|
6.0 |
250.00 |
| Full Load |
275.00 |
100.0 |
368.00 |
100.0 |
3,572 |
|
88.0 |
250.00 |
| Pull-Up |
1,500.00 |
545.0 |
400.00 |
108.0 |
1,800 |
|
|
250.00 |
Load Characteristics
| % of Rated Load |
0 % |
25 % |
50 % |
75 % |
100 % |
115 % |
125 % |
| Current (Amps) |
80.00 |
105.00 |
155.00 |
212.00 |
275.00 |
315.00 |
345.00 |
| Rated Output (KW) |
6.50 |
51.00 |
98.50 |
147.00 |
195.00 |
225.00 |
245.00 |
| Efficiency (%) |
0.0 |
91.0 |
94.5 |
95.4 |
95.4 |
95.4 |
95.0 |
| Power Factor (%) |
6.0 |
61.0 |
80.0 |
86.0 |
88.0 |
88.5 |
89.0 |
| Speed (RPM) |
3,600 |
3,592 |
3,588 |
3,580 |
3,572 |
3,568 |
3,565 |
| Temp. Rise @ FL |
0.0 |
0.0 |
0.0 |
0.0 |
40.0 |
55.0 |
0.0 |
| Torque (ft-lbs) |
0.00 |
91.50 |
183.00 |
275.00 |
368.00 |
424.00 |
460.00 |
Marathon Motors
Regal Beloit
