Description
284THEN8032 – Marathon 20 HP Variable Speed Motor, 3 phase, 1800 RPM, 230/460 V, 284TC Frame, EPNV – Y985
284THEN8032 Marathon 2000:1 Explosion Proof Motors
Please advise CFM, static pressure, voltage, phase, and/or horsepower on specifications, drawings, or existing equipment for an accurate quote.
General Specifications
| UPC: |
722856025616 |
Weight: |
555 LB |
| Packaged Length: |
37.88 IN |
Packaged Width: |
31.88 IN |
| Packaged Height: |
20.01 IN |
Nameplate Specifications
| Output HP: |
20 Hp |
Output KW: |
14.9 kW |
| Frequency: |
60 Hz |
Voltage: |
230/460 V |
| Current: |
53.0/26.5 A |
Speed: |
1775 rpm |
| Service Factor: |
1 |
Phase: |
3 |
| Efficiency: |
93.6 % |
Power Factor: |
76 |
| Duty: |
Continuous |
Insulation Class: |
F |
| Design Code: |
INV |
KVA Code: |
M |
| Frame: |
284TC |
Enclosure: |
Explosion Proof Non Ventilated |
| Thermal Protection: |
No |
Ambient Temperature: |
40 °C |
| Drive End Bearing Size: |
6311 |
Opp Drive End Bearing Size: |
6311 |
| UL: |
Listed |
CSA: |
Y |
| CE: |
N |
IP Code: |
54 |
Technical Specifications
| Electrical Type: |
Squirrel Cage Inverter Duty |
Starting Method: |
Inverter Only |
| Poles: |
4 |
Rotation: |
Reversible |
| Resistance Main: |
.2 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: |
33.16 in |
| Frame Length: |
12.75 in |
Shaft Diameter: |
1.875 in |
| Shaft Extension: |
4.38 in |
Assembly/Box Mounting: |
F1 ONLY |
Speed Characteristics
| Curvepoint |
Current (Amps) |
Current (%) |
Torque (ft-lbs) |
(%) |
Speed (RPM) |
Rated Output (KW) |
Power Factor (%) |
Rated Output (Hp) |
| Full Load |
28.50 |
108.0 |
59.10 |
100.0 |
1,775 |
|
|
20.00 |
| Locked-Rotor |
280.00 |
1,057.0 |
135.00 |
228.0 |
0 |
|
26.0 |
20.00 |
| 1/3 |
270.00 |
1,019.0 |
120.00 |
203.0 |
600 |
|
|
20.00 |
| Break-Down |
175.00 |
660.0 |
275.00 |
465.0 |
1,485 |
|
65.0 |
20.00 |
| Pull-Up |
250.00 |
943.0 |
125.00 |
211.0 |
900 |
|
|
20.00 |
| No Load |
19.00 |
72.0 |
0.00 |
0.0 |
1,800 |
|
|
20.00 |
| 2/3 |
225.00 |
849.0 |
150.00 |
253.0 |
1,200 |
|
|
20.00 |
Load Characteristics
| % of Rated Load |
0 % |
25 % |
50 % |
75 % |
100 % |
125 % |
150 % |
200 % |
| Current (Amps) |
14.00 |
16.00 |
18.50 |
22.00 |
26.50 |
33.00 |
43.50 |
58.50 |
| Rated Output (KW) |
0.50 |
4.20 |
8.00 |
12.00 |
16.00 |
20.00 |
30.00 |
41.00 |
| Efficiency (%) |
0.0 |
88.5 |
92.5 |
93.6 |
93.6 |
93.6 |
92.4 |
90.2 |
| Power Factor (%) |
3.0 |
33.0 |
55.0 |
68.0 |
76.0 |
80.0 |
86.0 |
87.0 |
| Speed (RPM) |
1,800 |
1,795 |
1,788 |
1,782 |
1,775 |
1,770 |
1,755 |
1,735 |
| Temp. Rise @ FL |
0.0 |
0.0 |
0.0 |
0.0 |
80.0 |
0.0 |
0.0 |
0.0 |
| Torque (ft-lbs) |
0.00 |
14.80 |
29.50 |
44.20 |
59.20 |
74.20 |
112.00 |
150.00 |
Marathon Motors
Regal Beloit
