Description
444TTDN16101 – Marathon 75 HP Vertical Solid Shaft P-Base Motor, 3 phase, 900 RPM, 460 V, 444HPV Frame, ODP – M744
444TTDN16101 Marathon Vertical Solid Shaft P-Base Motors
General Specifications
| UPC: |
722856052513 |
Weight: |
0 LB |
| Packaged Length: |
52.5 IN |
Packaged Width: |
42.5 IN |
| Packaged Height: |
40.53 IN |
Nameplate Specifications
| Output HP: |
75 Hp |
Output KW: |
56.0 kW |
| Frequency: |
60 Hz |
Voltage: |
460 V |
| Current: |
107.0 A |
Speed: |
890 rpm |
| Service Factor: |
1.15 |
Phase: |
3 |
| Efficiency: |
93.6 % |
Power Factor: |
70 |
| Duty: |
Continuous |
Insulation Class: |
F |
| Design Code: |
B |
KVA Code: |
G |
| Frame: |
444HPV |
Enclosure: |
Drip Proof |
| Thermal Protection: |
No |
Ambient Temperature: |
40 °C |
| Drive End Bearing Size: |
6318 |
Opp Drive End Bearing Size: |
7316 2 |
| UL: |
Recognized |
CSA: |
Y |
| CE: |
Y |
IP Code: |
22 |
Technical Specifications
| Electrical Type: |
Squirrel Cage Induction Run |
Starting Method: |
Across The Line |
| Poles: |
8 |
Rotation: |
Reversible |
| Resistance Main: |
.0525 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 |
| Frame Length: |
25.38 in |
Shaft Diameter: |
2.125 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) |
| Locked-Rotor |
542.00 |
507.0 |
555.00 |
126.0 |
0 |
|
21.0 |
75.00 |
| 1/3 |
500.00 |
467.0 |
475.00 |
107.0 |
300 |
|
|
75.00 |
| 2/3 |
400.00 |
374.0 |
700.00 |
158.0 |
600 |
|
|
75.00 |
| Full Load |
107.00 |
100.0 |
442.00 |
100.0 |
890 |
|
70.0 |
75.00 |
| Pull-Up |
450.00 |
421.0 |
500.00 |
113.0 |
450 |
|
|
75.00 |
| No Load |
54.00 |
50.0 |
0.00 |
0.0 |
900 |
|
4.0 |
75.00 |
| Break-Down |
335.00 |
313.0 |
1,100.00 |
249.0 |
850 |
|
58.0 |
75.00 |
Load Characteristics
| % of Rated Load |
0 % |
25 % |
50 % |
75 % |
100 % |
115 % |
125 % |
| Current (Amps) |
54.00 |
58.50 |
70.00 |
85.00 |
107.00 |
120.00 |
128.00 |
| Rated Output (KW) |
2.00 |
16.00 |
30.00 |
44.50 |
59.50 |
68.50 |
74.50 |
| Efficiency (%) |
0.0 |
87.5 |
92.4 |
93.6 |
93.6 |
93.6 |
93.0 |
| Power Factor (%) |
4.0 |
34.0 |
54.0 |
64.0 |
70.0 |
72.0 |
73.0 |
| Speed (RPM) |
900 |
898 |
896 |
894 |
890 |
888 |
886 |
| Temp. Rise @ FL |
0.0 |
0.0 |
0.0 |
0.0 |
40.0 |
55.0 |
70.0 |
| Torque (ft-lbs) |
0.00 |
110.00 |
220.00 |
331.00 |
442.00 |
508.00 |
555.00 |
Marathon Motors
Regal Beloit
