Cooling Tower Motor, 20 & 5 HP, 3 Ph, 60 & 60 Hz, 460 & 460 V, 1800 & 1800 RPM, 284T Frame, TEFC
Cooling Tower Motor, 20 & 5 HP, 3 Ph, 60 & 60 Hz, 460 & 460 V, 1800 & 1800 RPM, 284T Frame, TEFC
Part#: 284TTFNA7240
Catalog#: Y385
Model#: 284TTFNA7240AA
Weight: 489 lb
List Price: $9,207.00
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Key Features
- Blue Chip® quality, 100% cast iron construction for rigidity and reduced vibration
- Internal and external epoxy paint
- Class F insulation
- Extended grease tubes, Regreasable in service
- T-drains provided for effective drainage
- Shaft Slinger, Forsheda seals on both ends
- Actual test and vibration data supplied with each motor
Specifications
| Phase | Phase: 3 | Output HP | Output HP: 20 & 5 Hp |
| Output KW | Output KW: 14.9 & 3.7 kW | Voltage | Voltage: 460 & 460 V |
| Speed | Speed: 1775 & 880 rpm | Service Factor | Service Factor: 1.15 & 1.15 |
| Frame | Frame: 284T | Enclosure | Enclosure: Totally Enclosed Fan Cooled |
| Thermal Protection | Thermal Protection: No Protection | Efficiency | Efficiency: 91.7 & 87.5 % |
| Ambient Temperature | Ambient Temperature: 40 °C | Frequency | Frequency: 60 & 60 Hz |
| Current | Current: 24 & 8.5 A | Power Factor | Power Factor: 84.5 |
| Duty | Duty: Continuous | Insulation Class | Insulation Class: F |
| Design Code | Design Code: 1VT | KVA Code | KVA Code: J |
| Drive End Bearing Size | Drive End Bearing Size: 6311 | Opp Drive End Bearing Size | Opp Drive End Bearing Size: 6210 |
| UL | UL: Recognized | CSA | CSA: Y |
| CE | CE: Y | IP Code | IP Code: 55 |
| Number of Speeds | Number of Speeds: 2 |
| Electrical Type | Electrical Type: Squirrel Cage Induction Run | Starting Method | Starting Method: Across The Line |
| Poles | Poles: 4/8 | Rotation | Rotation: Reversible |
| Resistance Main | Resistance Main: .505 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: 26.21 in |
| Frame Length | Frame Length: 12.75 in | Shaft Diameter | Shaft Diameter: 1.875 in |
| Shaft Extension | Shaft Extension: 4.82 in | Assembly/Box Mounting | Assembly/Box Mounting: F1/F2 CAPABLE |
| Service Factor | Service Factor: 1.15 | Frame Suffix | Frame Suffix: T |
| Current | Current: 24 A | Synchronous RPM | Synchronous RPM: 1800 & 1800 rpm |
| Frequency | Frequency: 60 Hz | Speed | Speed: 1775 rpm |
| Connection Drawing | Connection Drawing: A-EE7322 | Outline Drawing | Outline Drawing: B-SS311057-1275 |
| Voltage | Voltage: 460 V | Output KW | Output KW: 14.9 kW |
| Output HP | Output HP: 20 Hp | Frame Size | Frame Size: 284 |
| Torque UOM | Torque UOM: LB-FT | Efficiency | Efficiency: 91.7 % |
| Packaged Length | Packaged Length: 35.00 IN | Weight | Weight: 489.00 LB |
| UPC | UPC: 722856042262 | Packaged Width | Packaged Width: 26.00 IN |
| HTC | HTC: 8501.52.8040 | Country of Origin | Country of Origin: United States of America |
| Packaged Height | Packaged Height: 24.51 IN |
| % of Rated Load | 0% | 25% | 50% | 75% | 100% | 115% | 125% |
|---|---|---|---|---|---|---|---|
| % of Rated Load: Current (Amps) | 0%: 9.50 | 25%: 11.00 | 50%: 15.00 | 75%: 19.00 | 100%: 24.00 | 115%: 27.50 | 125%: 30.00 |
| % of Rated Load: Rated Output (KW) | 0%: 0.75 | 25%: 4.50 | 50%: 8.40 | 75%: 12.50 | 100%: 16.50 | 115%: 19.00 | 125%: 20.50 |
| % of Rated Load: Efficiency (%) | 0%: 0.0 | 25%: 84.0 | 50%: 89.5 | 75%: 91.7 | 100%: 91.7 | 115%: 91.0 | 125%: 90.2 |
| % of Rated Load: Power Factor (%) | 0%: 8.0 | 25%: 50.0 | 50%: 71.0 | 75%: 80.0 | 100%: 84.5 | 115%: 85.5 | 125%: 86.0 |
| % of Rated Load: Speed (RPM) | 0%: 1,800 | 25%: 1,795 | 50%: 1,790 | 75%: 1,785 | 100%: 1,775 | 115%: 1,772 | 125%: 1,770 |
| % of Rated Load: Temp. Rise @ FL | 0%: 0.0 | 25%: 0.0 | 50%: 0.0 | 75%: 0.0 | 100%: 65.0 | 115%: 85.0 | 125%: 0.0 |
| % of Rated Load: Torque (ft-lbs) | 0%: 0.00 | 25%: 14.60 | 50%: 29.50 | 75%: 44.20 | 100%: 59.00 | 115%: 68.00 | 125%: 74.50 |
| Curvepoint | Current (Amps) | Current (%) | Torque (ft-lbs) | Torque (%) | Speed (RPM) | Rated Output (KW) | Power Factor (%) | Rated Output (Hp) |
|---|---|---|---|---|---|---|---|---|
| Curvepoint: Full Load | Current (Amps): 24.00 | Current (%): 100.0 | Torque (ft-lbs): 59.00 | Torque (%): 100.0 | Speed (RPM): 1,775 | Rated Output (KW): | Power Factor (%): | Rated Output (Hp): 20.00 |
| Curvepoint: Break-Down | Current (Amps): 120.00 | Current (%): 500.0 | Torque (ft-lbs): 180.00 | Torque (%): 305.0 | Speed (RPM): 1,625 | Rated Output (KW): | Power Factor (%): 69.0 | Rated Output (Hp): 20.00 |
| Curvepoint: 2/3 | Current (Amps): 150.00 | Current (%): 625.0 | Torque (ft-lbs): 120.00 | Torque (%): 203.0 | Speed (RPM): 750 | Rated Output (KW): | Power Factor (%): | Rated Output (Hp): 20.00 |
| Curvepoint: Locked-Rotor | Current (Amps): 180.00 | Current (%): 750.0 | Torque (ft-lbs): 105.00 | Torque (%): 178.0 | Speed (RPM): 0 | Rated Output (KW): | Power Factor (%): 40.0 | Rated Output (Hp): 20.00 |
| Curvepoint: No Load | Current (Amps): 9.50 | Current (%): 40.0 | 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): 165.00 | Current (%): 688.0 | Torque (ft-lbs): 95.00 | Torque (%): 161.0 | Speed (RPM): 500 | Rated Output (KW): | Power Factor (%): | Rated Output (Hp): 20.00 |
| Curvepoint: 1/3 | Current (Amps): 175.00 | Current (%): 729.0 | Torque (ft-lbs): 90.00 | Torque (%): 153.0 | Speed (RPM): 200 | Rated Output (KW): | Power Factor (%): | Rated Output (Hp): 20.00 |
Efficiency
| Country | Complies with standards |
|---|---|
| Country: United States | Complies with standards: check_circle |
| Country: Canada | Complies with standards: check_circle |
| 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: check_circle |
| Country: South Korea | Complies with standards: check_circle |
