Description
256TBDX7028 – Marathon 15 HP Single Phase HVAC/R Motor, 1 phase, 1800 RPM, 230 V, 256T Frame, ODP – Z127
256TBDX7028 Marathon HVAC/R Single Phase Motors
Please advise CFM, static pressure, voltage, phase, and/or horsepower on specifications, drawings, or existing equipment for an accurate quote.
General Specifications
| UPC: |
722856037534 |
Weight: |
187 LB |
| Packaged Length: |
26.88 IN |
Packaged Width: |
18.38 IN |
| Packaged Height: |
15 IN |
Nameplate Specifications
| Output HP: |
15 Hp |
Output KW: |
11.2 kW |
| Frequency: |
60 Hz |
Voltage: |
230 V |
| Current: |
59.5 A |
Speed: |
1755 rpm |
| Service Factor: |
1 |
Phase: |
1 |
| Efficiency: |
86.5 % |
Power Factor: |
94.5 |
| Duty: |
Continous |
Insulation Class: |
F |
| Design Code: |
NO DESIGN CODE |
KVA Code: |
D |
| Frame: |
256T |
Enclosure: |
Drip Proof |
| Thermal Protection: |
No |
Ambient Temperature: |
40 °C |
| Drive End Bearing Size: |
6309 |
Opp Drive End Bearing Size: |
6206 |
| UL: |
Recognized |
CSA: |
Y |
| CE: |
Y |
IP Code: |
12 |
Technical Specifications
| Electrical Type: |
Capacitor Start Capacitor Run |
Starting Method: |
Across The Line |
| Poles: |
4 |
Rotation: |
Fixed Clockwise |
| Resistance Main: |
0 Ohms |
Mounting: |
Rigid Base |
| Motor Orientation: |
Horizontal |
Drive End Bearing: |
Ball |
| Opp Drive End Bearing: |
Ball |
Frame Material: |
Rolled Steel |
| Shaft Type: |
T |
Overall Length: |
24.06 in |
| Frame Length: |
15.45 in |
Shaft Diameter: |
1.625 in |
| Shaft Extension: |
5.19 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) |
| Break-Down |
167.50 |
282.0 |
65.70 |
147.0 |
1,650 |
33.90 |
0.0 |
15.00 |
| Locked-Rotor |
278.50 |
468.0 |
37.20 |
83.0 |
0 |
41.50 |
64.5 |
15.00 |
| Full Load |
59.50 |
100.0 |
44.75 |
100.0 |
1,755 |
12.95 |
0.0 |
15.00 |
| Pull-Up |
275.00 |
462.0 |
26.50 |
59.0 |
150 |
40.20 |
0.0 |
15.00 |
Load Characteristics
| % of Rated Load |
0 % |
25 % |
50 % |
75 % |
100 % |
115 % |
125 % |
150 % |
| Current (Amps) |
9.10 |
17.00 |
29.00 |
43.10 |
59.50 |
71.50 |
80.00 |
108.50 |
| Rated Output (KW) |
0.78 |
3.48 |
6.35 |
9.49 |
12.95 |
15.80 |
17.75 |
22.40 |
| Efficiency (%) |
0.0 |
80.3 |
87.9 |
88.0 |
86.5 |
81.5 |
78.5 |
74.6 |
| Power Factor (%) |
37.0 |
88.9 |
95.2 |
95.7 |
94.5 |
95.7 |
96.5 |
89.8 |
| Speed (RPM) |
1,800 |
1,785 |
1,778 |
1,765 |
1,755 |
1,743 |
1,739 |
1,710 |
| Temp. Rise @ FL |
0.0 |
0.0 |
0.0 |
0.0 |
75.0 |
0.0 |
0.0 |
0.0 |
| Torque (ft-lbs) |
0.00 |
11.00 |
22.10 |
33.33 |
44.75 |
52.00 |
56.44 |
68.80 |
Marathon Motors
Regal Beloit
