Description
284TTFNA16015 – Marathon 25 HP Vertical Solid Shaft P-Base Motor, 3 phase, 3600 RPM, 230/460 V, 284HPV Frame, TEFC – M896B
284TTFNA16015 Marathon Vertical Solid Shaft P-Base Motors
General Specifications
| UPC: |
722856052902 |
Weight: |
542 LB |
| Packaged Length: |
39 IN |
Packaged Width: |
32.25 IN |
| Packaged Height: |
21.5 IN |
Nameplate Specifications
| Output HP: |
25 Hp |
Output KW: |
18.7 kW |
| Frequency: |
60 Hz |
Voltage: |
230/460 V |
| Current: |
56.0/28.1 A |
Speed: |
3555 rpm |
| Service Factor: |
1.15 |
Phase: |
3 |
| Efficiency: |
93.6 % |
Power Factor: |
89 |
| Duty: |
Continuous |
Insulation Class: |
F |
| Design Code: |
B |
KVA Code: |
G |
| Frame: |
284HPV |
Enclosure: |
Totally Enclosed Fan Cooled |
| Thermal Protection: |
No |
Ambient Temperature: |
40 °C |
| Drive End Bearing Size: |
6311 |
Opp Drive End Bearing Size: |
6210 |
| UL: |
Recognized |
CSA: |
Y |
| CE: |
Y |
IP Code: |
43 |
Technical Specifications
| Electrical Type: |
Squirrel Cage Induction Run |
Starting Method: |
Across The Line |
| Poles: |
2 |
Rotation: |
Reversible |
| Resistance Main: |
.356 Ohms |
Mounting: |
Round |
| Motor Orientation: |
Shaft Down |
Drive End Bearing: |
Ball |
| Opp Drive End Bearing: |
Ball |
Frame Material: |
Cast Iron |
| Shaft Type: |
HP |
Overall Length: |
30.84 in |
| Frame Length: |
14.25 in |
Shaft Diameter: |
1.125 in |
| Shaft Extension: |
2.75 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 |
170.00 |
605.0 |
50.00 |
135.0 |
1,200 |
|
|
25.00 |
| Break-Down |
110.00 |
391.0 |
104.00 |
281.0 |
3,350 |
|
72.0 |
25.00 |
| Locked-Rotor |
180.00 |
641.0 |
55.00 |
148.0 |
0 |
|
34.0 |
25.00 |
| 2/3 |
155.00 |
552.0 |
65.00 |
176.0 |
2,400 |
|
|
25.00 |
| Pull-Up |
165.00 |
587.0 |
55.00 |
149.0 |
1,800 |
|
|
25.00 |
| No Load |
8.00 |
28.0 |
0.00 |
0.0 |
3,600 |
|
|
25.00 |
| Full Load |
28.00 |
100.0 |
37.00 |
100.0 |
3,555 |
|
|
25.00 |
Load Characteristics
| % of Rated Load |
0 % |
25 % |
50 % |
75 % |
100 % |
115 % |
125 % |
| Current (Amps) |
8.00 |
10.50 |
15.50 |
21.50 |
28.10 |
31.00 |
35.00 |
| Rated Output (KW) |
1.00 |
5.00 |
10.00 |
15.00 |
20.00 |
22.00 |
25.00 |
| Efficiency (%) |
0.0 |
89.5 |
93.0 |
93.6 |
93.6 |
93.0 |
92.4 |
| Power Factor (%) |
14.5 |
63.5 |
81.5 |
87.5 |
89.0 |
89.0 |
90.0 |
| Speed (RPM) |
3,600 |
3,590 |
3,580 |
3,565 |
3,555 |
3,550 |
3,540 |
| Temp. Rise @ FL |
0.0 |
35.0 |
30.0 |
0.0 |
50.0 |
70.0 |
85.0 |
| Torque (ft-lbs) |
0.00 |
9.00 |
18.50 |
27.50 |
37.00 |
42.00 |
46.50 |
Marathon Motors
Regal Beloit
