Description
508UTDS16078 – Marathon 250 HP Vertical Solid Shaft P-Base Motor, 3 phase, 1200 RPM, 460 V, 508PV Frame, ODP – M763
508UTDS16078 Marathon Vertical Solid Shaft P-Base Motors
General Specifications
| UPC: |
722856052681 |
Weight: |
0 LB |
| Packaged Length: |
53.5 IN |
Packaged Width: |
52.5 IN |
| Packaged Height: |
51.03 IN |
Nameplate Specifications
| Output HP: |
250 Hp |
Output KW: |
187.0 kW |
| Frequency: |
60 Hz |
Voltage: |
460 V |
| Current: |
300.0 A |
Speed: |
1188 rpm |
| Service Factor: |
1.15 |
Phase: |
3 |
| Efficiency: |
95.8 % |
Power Factor: |
81 |
| Duty: |
Continuous |
Insulation Class: |
F |
| Design Code: |
B |
KVA Code: |
G |
| Frame: |
508 PV |
Enclosure: |
Drip Proof |
| Thermal Protection: |
No |
Ambient Temperature: |
40 °C |
| Drive End Bearing Size: |
6316 |
Opp Drive End Bearing Size: |
7319 2 |
| UL: |
Recognized |
CSA: |
Y |
| CE: |
Y |
IP Code: |
22 |
Technical Specifications
| Electrical Type: |
Squirrel Cage Induction Run |
Starting Method: |
Across The Line |
| Poles: |
6 |
Rotation: |
Reversible |
| Resistance Main: |
.0175 Ohms |
Mounting: |
Round |
| Motor Orientation: |
Shaft Down |
Drive End Bearing: |
Ball |
| Opp Drive End Bearing: |
Ball |
Frame Material: |
Cast Iron |
| Shaft Type: |
P |
Overall Length: |
45.76 in |
| Frame Length: |
8.00 in |
Shaft Diameter: |
2.625 in |
| Shaft Extension: |
5.00 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) |
| Locked-Rotor |
1,825.00 |
|
2,250.00 |
200.0 |
0 |
|
34.0 |
250.00 |
| No Load |
118.00 |
|
0.00 |
0.0 |
1,200 |
|
2.5 |
250.00 |
| Full Load |
300.00 |
100.0 |
1,105.00 |
100.0 |
1,185 |
|
81.0 |
250.00 |
| 1/3 |
1,750.00 |
|
2,000.00 |
|
400 |
|
|
250.00 |
| Break-Down |
1,100.00 |
|
2,700.00 |
240.0 |
1,125 |
|
65.0 |
250.00 |
| 2/3 |
1,400.00 |
|
2,250.00 |
|
800 |
|
|
250.00 |
| Pull-Up |
1,600.00 |
|
2,000.00 |
|
600 |
|
|
250.00 |
Load Characteristics
| % of Rated Load |
0 % |
25 % |
50 % |
75 % |
100 % |
115 % |
125 % |
| Current (Amps) |
118.00 |
136.00 |
180.00 |
235.00 |
300.00 |
340.00 |
370.00 |
| Rated Output (KW) |
5.50 |
49.50 |
97.00 |
145.00 |
195.00 |
225.00 |
245.00 |
| Efficiency (%) |
0.0 |
94.5 |
95.4 |
95.8 |
95.8 |
95.4 |
95.0 |
| Power Factor (%) |
2.5 |
46.0 |
67.0 |
77.0 |
81.0 |
82.0 |
83.0 |
| Speed (RPM) |
1,200 |
1,196 |
1,194 |
1,190 |
1,188 |
1,186 |
1,184 |
| Temp. Rise @ FL |
0.0 |
0.0 |
0.0 |
0.0 |
70.0 |
90.0 |
0.0 |
| Torque (ft-lbs) |
0.00 |
275.00 |
550.00 |
828.00 |
1,105.00 |
1,275.00 |
1,386.00 |
Marathon Motors
Regal Beloit
