Description
324TTFS16837 – Marathon 40 HP Severe Duty Motor, 3 phase, 1800 RPM, 230/460 V, 324T Frame, TEFC – U875A
324TTFS16837 Marathon Low Voltage NEMA Cooling Tower Motors
Please advise CFM, static pressure, voltage, phase, and/or horsepower on specifications, drawings, or existing equipment for an accurate quote.
General Specifications
| UPC: |
722856018878 |
Weight: |
662 LB |
| Packaged Length: |
37.88 IN |
Packaged Width: |
31.88 IN |
| Packaged Height: |
24.66 IN |
Nameplate Specifications
| Output HP: |
40 Hp |
Output KW: |
30.0 kW |
| Frequency: |
60/50 Hz |
Voltage: |
230/460 V |
| Current: |
95.0/47.5 A |
Speed: |
1780 rpm |
| Service Factor: |
1.15 |
Phase: |
3 |
| Efficiency: |
94.1 % |
Power Factor: |
83 |
| Duty: |
Continuous |
Insulation Class: |
F |
| Design Code: |
B |
KVA Code: |
G |
| Frame: |
324T |
Enclosure: |
Totally Enclosed Fan Cooled |
| Thermal Protection: |
No |
Ambient Temperature: |
40 °C |
| Drive End Bearing Size: |
6312 |
Opp Drive End Bearing Size: |
6311 |
| UL: |
Recognized |
CSA: |
Y |
| CE: |
Y |
IP Code: |
55 |
Technical Specifications
| Electrical Type: |
Squirrel Cage Induction Run |
Starting Method: |
Across The Line |
| Poles: |
4 |
Rotation: |
Reversible |
| Resistance Main: |
.135 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: |
30.37 in |
| Frame Length: |
13.00 in |
Shaft Diameter: |
2.125 in |
| Shaft Extension: |
5.5 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) |
| Full Load |
47.50 |
100.0 |
118.00 |
100.0 |
1,780 |
|
|
40.00 |
| Locked-Rotor |
290.00 |
611.0 |
218.00 |
185.0 |
0 |
|
34.0 |
40.00 |
| 2/3 |
240.00 |
505.0 |
192.00 |
163.0 |
1,200 |
|
|
40.00 |
| 1/3 |
270.00 |
568.0 |
198.00 |
168.0 |
600 |
|
|
40.00 |
| Break-Down |
165.00 |
347.0 |
305.00 |
258.0 |
1,685 |
|
66.0 |
40.00 |
| No Load |
17.50 |
37.0 |
0.00 |
0.0 |
1,800 |
|
|
40.00 |
| Pull-Up |
255.00 |
537.0 |
190.00 |
161.0 |
900 |
|
|
40.00 |
Load Characteristics
| % of Rated Load |
0 % |
25 % |
50 % |
75 % |
100 % |
115 % |
125 % |
| Current (Amps) |
17.50 |
21.00 |
28.00 |
37.20 |
47.50 |
54.00 |
59.00 |
| Rated Output (KW) |
0.75 |
8.20 |
15.80 |
23.60 |
31.50 |
36.50 |
39.80 |
| Efficiency (%) |
0.0 |
91.0 |
94.5 |
94.5 |
94.1 |
94.1 |
94.1 |
| Power Factor (%) |
4.5 |
49.5 |
71.0 |
79.5 |
83.0 |
83.5 |
84.0 |
| Speed (RPM) |
1,800 |
1,795 |
1,790 |
1,785 |
1,780 |
1,775 |
1,772 |
| Temp. Rise @ FL |
0.0 |
0.0 |
0.0 |
0.0 |
65.0 |
85.0 |
100.0 |
| Torque (ft-lbs) |
0.00 |
29.50 |
58.50 |
88.50 |
118.00 |
136.00 |
148.00 |
Marathon Motors
Regal Beloit
