Description
256VTDC6026 – Marathon 20 HP Vertical Hollow Shaft P-Base Motor, 3 phase, 1800 RPM, 230/460 V, 256TPV Frame, WP1 – V116A
256VTDC6026 Marathon Vertical Hollow Shaft P-Base Motors
General Specifications
| UPC: |
722856069399 |
Weight: |
385 LB |
| Packaged Length: |
20.72 IN |
Packaged Width: |
20.72 IN |
| Packaged Height: |
30.85 IN |
Nameplate Specifications
| Output HP: |
20 Hp |
Output KW: |
14.9 kW |
| Frequency: |
60/50 Hz |
Voltage: |
230/460 V |
| Current: |
50.0/24.9 A |
Speed: |
1765 rpm |
| Service Factor: |
1.15 |
Phase: |
3 |
| Efficiency: |
93 % |
Power Factor: |
81 |
| Duty: |
Continuous |
Insulation Class: |
F |
| Design Code: |
B |
KVA Code: |
G |
| Frame: |
256TPV |
Enclosure: |
Weather Protected 1 |
| Thermal Protection: |
No |
Ambient Temperature: |
40 °C |
| Drive End Bearing Size: |
6309 |
Opp Drive End Bearing Size: |
7311B |
| UL: |
Recognized |
CSA: |
Y |
| CE: |
Y |
IP Code: |
23 |
Technical Specifications
| Electrical Type: |
Squirrel Cage Inverter Rated |
Starting Method: |
Part Wdg Start Low Volt Only & Wye Start Delta Run Or Inverter |
| Poles: |
4 |
Rotation: |
Counterclockwise Rotation, Reversible without Non-Reversible Ratchet |
| Resistance Main: |
.546 Ohms |
Mounting: |
Round |
| Motor Orientation: |
Shaft Down |
Drive End Bearing: |
Ball |
| Opp Drive End Bearing: |
Single Angular Contact |
Frame Material: |
Cast Iron |
| Shaft Type: |
TP |
Overall Length: |
27.85 in |
| Shaft Diameter: |
1.375 in |
Shaft Extension: |
0.12 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 |
9.50 |
|
0.00 |
0.0 |
1,800 |
|
4.5 |
20.00 |
| Locked-Rotor |
145.00 |
|
158.00 |
265.0 |
0 |
|
43.0 |
20.00 |
| Break-Down |
88.00 |
|
160.00 |
268.0 |
1,630 |
|
69.0 |
20.00 |
| Pull-Up |
129.00 |
|
98.00 |
|
900 |
|
|
20.00 |
| 2/3 |
117.00 |
|
122.00 |
|
1,200 |
|
|
20.00 |
| Full Load |
24.80 |
100.0 |
59.50 |
100.0 |
1,762 |
|
81.5 |
20.00 |
| 1/3 |
136.00 |
|
96.00 |
|
600 |
|
|
20.00 |
Load Characteristics
| % of Rated Load |
0 % |
25 % |
50 % |
75 % |
100 % |
115 % |
125 % |
| Current (Amps) |
9.50 |
11.20 |
14.80 |
19.50 |
24.90 |
28.00 |
30.50 |
| Rated Output (KW) |
0.75 |
4.20 |
8.00 |
12.00 |
16.00 |
18.60 |
20.50 |
| Efficiency (%) |
0.0 |
90.2 |
92.4 |
93.0 |
93.0 |
93.0 |
92.4 |
| Power Factor (%) |
4.5 |
46.5 |
68.0 |
77.5 |
81.0 |
82.0 |
82.5 |
| Speed (RPM) |
1,800 |
1,792 |
1,782 |
1,772 |
1,765 |
1,755 |
1,752 |
| Temp. Rise @ FL |
0.0 |
0.0 |
0.0 |
0.0 |
38.0 |
50.0 |
60.0 |
| Torque (ft-lbs) |
0.00 |
14.50 |
29.50 |
44.30 |
59.50 |
68.40 |
74.50 |
Marathon Motors
Regal Beloit
