Description
508UTDS16077 – Marathon 350 HP General Purpose Motor, 3 phase, 1200 RPM, 460 V, 508UZ Frame, ODP – H821B
508UTDS16077 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: |
722856003423 |
Weight: |
0 LB |
| Packaged Length: |
53.32 IN |
Packaged Width: |
42.89 IN |
| Packaged Height: |
31.58 IN |
Nameplate Specifications
| Output HP: |
350 Hp |
Output KW: |
260.0 kW |
| Frequency: |
60 Hz |
Voltage: |
460 V |
| Current: |
420.0 A |
Speed: |
1188 rpm |
| Service Factor: |
1 |
Phase: |
3 |
| Efficiency: |
95.8 % |
Power Factor: |
81.5 |
| Duty: |
Continuous |
Insulation Class: |
F |
| Design Code: |
B |
KVA Code: |
G |
| Frame: |
508UZ |
Enclosure: |
Drip Proof |
| Thermal Protection: |
No |
Ambient Temperature: |
40 °C |
| Drive End Bearing Size: |
6322 |
Opp Drive End Bearing Size: |
6318 |
| UL: |
Recognized |
CSA: |
Y |
| CE: |
Y |
IP Code: |
22 |
Technical Specifications
| Electrical Type: |
Squirrel Cage Induction Run |
Starting Method: |
Part Wdg Start & Wye Start Delta Run |
| Poles: |
6 |
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: |
U Special Extension |
Overall Length: |
27.50 in |
| Shaft Diameter: |
4.125 in |
Shaft Extension: |
11.62 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) |
| No Load |
160.00 |
|
0.00 |
0.0 |
1,200 |
|
2.5 |
350.00 |
| Break-Down |
1,550.00 |
|
3,800.00 |
240.0 |
1,125 |
|
65.0 |
350.00 |
| Locked-Rotor |
2,550.00 |
|
3,300.00 |
210.0 |
0 |
|
34.0 |
350.00 |
| 1/3 |
2,450.00 |
|
2,800.00 |
|
400 |
|
|
350.00 |
| Full Load |
420.00 |
100.0 |
1,548.00 |
100.0 |
1,188 |
|
81.5 |
350.00 |
| 2/3 |
2,000.00 |
|
3,200.00 |
|
800 |
|
|
350.00 |
| Pull-Up |
2,250.00 |
|
2,800.00 |
|
600 |
|
|
350.00 |
Load Characteristics
| % of Rated Load |
0 % |
25 % |
50 % |
75 % |
100 % |
115 % |
125 % |
| Current (Amps) |
160.00 |
188.00 |
250.00 |
328.00 |
420.00 |
475.00 |
515.00 |
| Rated Output (KW) |
5.50 |
69.00 |
136.00 |
204.00 |
273.00 |
315.00 |
344.00 |
| Efficiency (%) |
0.0 |
94.5 |
95.4 |
95.8 |
95.8 |
95.4 |
95.0 |
| Power Factor (%) |
2.5 |
46.0 |
68.0 |
78.0 |
81.5 |
82.5 |
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 |
384.00 |
770.00 |
1,158.00 |
1,548.00 |
1,783.00 |
1,940.00 |
Marathon Motors
Regal Beloit
