Explosion Proof Motor, 20 HP, 3 Ph, 60 Hz, 575 V, 1800 RPM, 256T Frame, EPFC
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Explosion Proof Motor, 20 HP, 3 Ph, 60 Hz, 575 V, 1800 RPM, 256T Frame, EPFC
Part#: 256TTGN4030
Catalog#: U028
Model#: 256TTGN4030BD
Weight: 379 lb
Key Features
- 1.15 Service Factor on sinewave
- 10:1 Variable torque, constant torque speed range as indicated @1.0 SF
- Class F insulation, Ball Bearings (except as noted), All cast iron construction
- CR200 Corona Resistant, 200°C rated magnet wire
- Normally closed thermostats (must be connected to control circuit)
- Meets temperature code T3B
- Shaft slinger, UL Listed File No. E12044, CSA Certified File No. LR47504,
- External surface treated with epoxy
- Meets IEEE45 USCG Marine Duty,IP 54 construction
- Contact Marathon Motors for F2 mounting
Specifications
| Phase | Phase: 3 | Output HP | Output HP: 20 Hp |
| Output KW | Output KW: 14.9 kW | Voltage | Voltage: 575 V |
| Speed | Speed: 1765 rpm | Service Factor | Service Factor: 1.15 |
| Frame | Frame: 256T | Enclosure | Enclosure: Explosion Proof Fan cooled |
| Thermal Protection | Thermal Protection: Thermostat | Efficiency | Efficiency: 91 % |
| Ambient Temperature | Ambient Temperature: 40 °C | Frequency | Frequency: 60 Hz |
| Current | Current: 20 A | Power Factor | Power Factor: 82 |
| Duty | Duty: Continuous | Insulation Class | Insulation Class: F |
| Design Code | Design Code: B | KVA Code | KVA Code: F |
| Drive End Bearing Size | Drive End Bearing Size: 6309 | Opp Drive End Bearing Size | Opp Drive End Bearing Size: 6210 |
| UL | UL: UL Listed And CSA Certified | CSA | CSA: Y |
| CE | CE: N | IP Code | IP Code: 54 |
| Number of Speeds | Number of Speeds: 1 | Hazardous Location | Hazardous Location: EXP PROOF CL I GR C&D CL II GR F&G T3B |
| Electrical Type | Electrical Type: Squirrel Cage Inverter Rated | Starting Method | Starting Method: Line Or Inverter |
| Poles | Poles: 4 | Rotation | Rotation: Reversible |
| Resistance Main | Resistance Main: .468 Ohms | Mounting | Mounting: Rigid Base |
| Motor Orientation | Motor Orientation: Horizontal | Drive End Bearing | Drive End Bearing: Ball |
| Opp Drive End Bearing | Opp Drive End Bearing: Ball | Frame Material | Frame Material: Cast Iron |
| Shaft Type | Shaft Type: T | Overall Length | Overall Length: 25.27 in |
| Frame Length | Frame Length: 12.25 in | Shaft Diameter | Shaft Diameter: 1.625 in |
| Shaft Extension | Shaft Extension: 4.18 in | Assembly/Box Mounting | Assembly/Box Mounting: F1 ONLY |
| Service Factor | Service Factor: 1.15 | Frame Suffix | Frame Suffix: T |
| Current | Current: 20 A | Synchronous RPM | Synchronous RPM: 1800 rpm |
| Frequency | Frequency: 60 Hz | Speed | Speed: 1765 rpm |
| Connection Drawing | Connection Drawing: A-EE7300T | Outline Drawing | Outline Drawing: B-SS203001-1225 |
| Voltage | Voltage: 575 V | Output KW | Output KW: 14.9 kW |
| Output HP | Output HP: 20 Hp | Frame Size | Frame Size: 256 |
| Torque UOM | Torque UOM: LB-FT | Efficiency | Efficiency: 91 % |
| Packaged Length | Packaged Length: 39.00 IN | Weight | Weight: 379.00 LB |
| UPC | UPC: 722856022981 | Packaged Width | Packaged Width: 32.25 IN |
| HTC | HTC: 8501.52.8040 | Country of Origin | Country of Origin: United States of America |
| Packaged Height | Packaged Height: 19.44 IN |
| % of Rated Load | 0% | 25% | 50% | 75% | 100% | 115% | 125% |
|---|---|---|---|---|---|---|---|
| % of Rated Load: Current (Amps) | 0%: 7.60 | 25%: 9.20 | 50%: 12.00 | 75%: 15.60 | 100%: 20.00 | 115%: 22.80 | 125%: 24.80 |
| % of Rated Load: Rated Output (KW) | 0%: 0.50 | 25%: 4.50 | 50%: 8.50 | 75%: 12.50 | 100%: 16.50 | 115%: 19.00 | 125%: 20.50 |
| % of Rated Load: Efficiency (%) | 0%: 0.0 | 25%: 85.5 | 50%: 90.2 | 75%: 91.0 | 100%: 91.0 | 115%: 90.2 | 125%: 89.5 |
| % of Rated Load: Power Factor (%) | 0%: 7.0 | 25%: 48.0 | 50%: 70.0 | 75%: 79.5 | 100%: 82.0 | 115%: 84.0 | 125%: 84.5 |
| % of Rated Load: Speed (RPM) | 0%: 1,800 | 25%: 1,790 | 50%: 1,785 | 75%: 1,775 | 100%: 1,765 | 115%: 1,760 | 125%: 1,755 |
| % of Rated Load: Temp. Rise @ FL | 0%: 0.0 | 25%: 0.0 | 50%: 0.0 | 75%: 0.0 | 100%: 70.0 | 115%: 90.0 | 125%: 105.0 |
| % of Rated Load: Torque (ft-lbs) | 0%: 0.00 | 25%: 14.50 | 50%: 29.50 | 75%: 44.50 | 100%: 59.50 | 115%: 68.50 | 125%: 75.00 |
| Curvepoint | Current (Amps) | Current (%) | Torque (ft-lbs) | Torque (%) | Speed (RPM) | Rated Output (KW) | Power Factor (%) | Rated Output (Hp) |
|---|---|---|---|---|---|---|---|---|
| Curvepoint: No Load | Current (Amps): 9.50 | Current (%): 38.0 | Torque (ft-lbs): 0.00 | Torque (%): 0.0 | Speed (RPM): 1,800 | Rated Output (KW): | Power Factor (%): | Rated Output (Hp): 20.00 |
| Curvepoint: Pull-Up | Current (Amps): 125.00 | Current (%): 500.0 | Torque (ft-lbs): 94.00 | Torque (%): 158.0 | Speed (RPM): 900 | Rated Output (KW): | Power Factor (%): | Rated Output (Hp): 20.00 |
| Curvepoint: Break-Down | Current (Amps): 86.00 | Current (%): 344.0 | Torque (ft-lbs): 145.00 | Torque (%): 244.0 | Speed (RPM): 1,625 | Rated Output (KW): | Power Factor (%): 67.0 | Rated Output (Hp): 20.00 |
| Curvepoint: Full Load | Current (Amps): 25.00 | Current (%): 100.0 | Torque (ft-lbs): 59.50 | Torque (%): 100.0 | Speed (RPM): 1,765 | Rated Output (KW): | Power Factor (%): | Rated Output (Hp): 20.00 |
| Curvepoint: 1/3 | Current (Amps): 135.00 | Current (%): 540.0 | Torque (ft-lbs): 92.00 | Torque (%): 155.0 | Speed (RPM): 200 | Rated Output (KW): | Power Factor (%): | Rated Output (Hp): 20.00 |
| Curvepoint: 2/3 | Current (Amps): 115.00 | Current (%): 460.0 | Torque (ft-lbs): 105.00 | Torque (%): 176.0 | Speed (RPM): 1,250 | Rated Output (KW): | Power Factor (%): | Rated Output (Hp): 20.00 |
| Curvepoint: Locked-Rotor | Current (Amps): 140.00 | Current (%): 560.0 | Torque (ft-lbs): 108.00 | Torque (%): 182.0 | Speed (RPM): 0 | Rated Output (KW): | Power Factor (%): 41.5 | Rated Output (Hp): 20.00 |
Efficiency
| Country | Complies with standards |
|---|---|
| Country: United States | Complies with standards: cancel |
| Country: Canada | Complies with standards: cancel |
| Country: Mexico | Complies with standards: check_circle |
| Country: Australia | Complies with standards: check_circle |
| Country: Brazil | Complies with standards: check_circle |
| Country: Chile | Complies with standards: check_circle |
| Country: China | Complies with standards: check_circle |
| Country: Europe | Complies with standards: check_circle |
| Country: Japan | Complies with standards: check_circle |
| Country: New Zealand | Complies with standards: check_circle |
| Country: Saudi Arabia | Complies with standards: cancel |
| Country: South Korea | Complies with standards: check_circle |