Brake Motor, 20 HP, 3 Ph, 60 Hz, 230/460 V, 1800 RPM, 256TC Frame, TENV
Brake Motor, 20 HP, 3 Ph, 60 Hz, 230/460 V, 1800 RPM, 256TC Frame, TENV
Part#: 256THTNA8071
Catalog#: Y993
Model#: 256THTNA8071CB
Weight: 485 lb
List Price: $19,758.00
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Key Features
- IP43, Cast Iron Construction
- MAX GUARD® Class F insulation system
- Constant torque operation from 0 to base speed on vector drive Constant Horsepower operation up to twice base RPM
- Optimized for operation with IGBT inverter (NEMA Design A)
- Normally closed thermostats (one per phase, Class F)
- Stearns brakes, 87,000 series, 105 Lb-Ft, Includes 140% rated spring-set self-adjusting NEMA 2 disk brake (Brake coil voltage matches motor)
- Universal mounting up to 15 Lb-Ft, (see comment below and Mod Central for vertical mounting); Horizontal mounting (see comment below and Mod Central for vertical mounting)
- Will accept encoder through Mod Central (see Mod Central for encoder mounting)
- UL® Recognized & CSA certified and CE® Mark
Specifications
| Phase | Phase: 3 | Output HP | Output HP: 20 Hp |
| Output KW | Output KW: 14.9 kW | Voltage | Voltage: 230/460 V |
| Speed | Speed: 1770 rpm | Service Factor | Service Factor: 1 |
| Frame | Frame: 256TC | Enclosure | Enclosure: Totally Enclosed Non Ventilated |
| Thermal Protection | Thermal Protection: Thermostat | Efficiency | Efficiency: 93.6 % |
| Ambient Temperature | Ambient Temperature: 40 °C | Frequency | Frequency: 60 Hz |
| Current | Current: 52.0/26.0 A | Power Factor | Power Factor: 77 |
| Duty | Duty: Continuous | Insulation Class | Insulation Class: F |
| Design Code | Design Code: INV | KVA Code | KVA Code: N |
| Drive End Bearing Size | Drive End Bearing Size: 6309 | Opp Drive End Bearing Size | Opp Drive End Bearing Size: 6309 |
| UL | UL: Recognized | CSA | CSA: Y |
| CE | CE: Y | IP Code | IP Code: 43 |
| Number of Speeds | Number of Speeds: 1 |
| Electrical Type | Electrical Type: Squirrel Cage Inverter Duty | Starting Method | Starting Method: Inverter Only |
| Poles | Poles: 4 | Rotation | Rotation: Reversible |
| Resistance Main | Resistance Main: .29 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: 35.31 in |
| Frame Length | Frame Length: 14.25 in | Shaft Diameter | Shaft Diameter: 1.625 in |
| Shaft Extension | Shaft Extension: 3.75 in | Assembly/Box Mounting | Assembly/Box Mounting: F1/F2 CAPABLE |
| Inverter Load | Inverter Load: CONSTANT 2000:1 |
| Service Factor | Service Factor: 1 | Frame Suffix | Frame Suffix: TC |
| Current | Current: 52.0/26.0 A | Synchronous RPM | Synchronous RPM: 1800 rpm |
| Frequency | Frequency: 60 Hz | Speed | Speed: 1770 rpm |
| Connection Drawing | Connection Drawing: A-EE7308T | Outline Drawing | Outline Drawing: B-SS203867-1425 |
| Voltage | Voltage: 230/460 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: 93.6 % |
| Packaged Length | Packaged Length: 50.00 IN | Weight | Weight: 485.00 LB |
| UPC | UPC: 722856025692 | Packaged Width | Packaged Width: 25.00 IN |
| Country of Origin | Country of Origin: United States of America | Packaged Height | Packaged Height: 20.00 IN |
| % of Rated Load | 0% | 25% | 50% | 75% | 100% | 125% | 150% | 200% |
|---|---|---|---|---|---|---|---|---|
| % of Rated Load: Current (Amps) | 0%: 14.50 | 25%: 15.50 | 50%: 18.00 | 75%: 21.50 | 100%: 26.00 | 125%: 31.00 | 150%: 36.00 | 200%: 46.50 |
| % of Rated Load: Rated Output (KW) | 0%: 0.50 | 25%: 4.20 | 50%: 8.00 | 75%: 12.00 | 100%: 16.00 | 125%: 20.00 | 150%: 24.00 | 200%: 32.80 |
| % of Rated Load: Efficiency (%) | 0%: 0.0 | 25%: 88.5 | 50%: 93.0 | 75%: 93.6 | 100%: 93.6 | 125%: 93.0 | 150%: 92.4 | 200%: 90.2 |
| % of Rated Load: Power Factor (%) | 0%: 3.5 | 25%: 34.0 | 50%: 57.0 | 75%: 70.0 | 100%: 77.0 | 125%: 82.0 | 150%: 85.0 | 200%: 87.0 |
| % of Rated Load: Speed (RPM) | 0%: 1,800 | 25%: 1,792 | 50%: 1,785 | 75%: 1,778 | 100%: 1,770 | 125%: 1,760 | 150%: 1,755 | 200%: 1,735 |
| % of Rated Load: Temp. Rise @ FL | 0%: 0.0 | 25%: 0.0 | 50%: 0.0 | 75%: 0.0 | 100%: 95.0 | 125%: 0.0 | 150%: 0.0 | 200%: 0.0 |
| % of Rated Load: Torque (ft-lbs) | 0%: 0.00 | 25%: 14.60 | 50%: 29.50 | 75%: 44.50 | 100%: 59.50 | 125%: 74.50 | 150%: 89.70 | 200%: 120.00 |
| % of Rated Load: | 0%: | 25%: | 50%: | 75%: | 100%: | 125%: | 150%: | 200%: |
| Curvepoint | Current (Amps) | Current (%) | Torque (ft-lbs) | Torque (%) | Speed (RPM) | Rated Output (KW) | Power Factor (%) | Rated Output (Hp) |
|---|---|---|---|---|---|---|---|---|
| Curvepoint: Full Load | Current (Amps): 26.00 | Current (%): 100.0 | Torque (ft-lbs): 59.50 | Torque (%): 100.0 | Speed (RPM): 1,770 | Rated Output (KW): | Power Factor (%): | Rated Output (Hp): 20.00 |
| Curvepoint: 1/3 | Current (Amps): 290.00 | Current (%): 1,115.0 | Torque (ft-lbs): 175.00 | Torque (%): 294.0 | Speed (RPM): 400 | Rated Output (KW): | Power Factor (%): | Rated Output (Hp): 20.00 |
| Curvepoint: No Load | Current (Amps): 14.50 | Current (%): 56.0 | Torque (ft-lbs): 0.00 | Torque (%): 0.0 | Speed (RPM): 1,800 | Rated Output (KW): | Power Factor (%): | Rated Output (Hp): 20.00 |
| Curvepoint: Break-Down | Current (Amps): 175.00 | Current (%): 673.0 | Torque (ft-lbs): 325.00 | Torque (%): 546.0 | Speed (RPM): 1,550 | Rated Output (KW): | Power Factor (%): 75.0 | Rated Output (Hp): 20.00 |
| Curvepoint: Pull-Up | Current (Amps): 275.00 | Current (%): 1,058.0 | Torque (ft-lbs): 175.00 | Torque (%): 294.0 | Speed (RPM): 700 | Rated Output (KW): | Power Factor (%): | Rated Output (Hp): 20.00 |
| Curvepoint: Locked-Rotor | Current (Amps): 300.00 | Current (%): 1,154.0 | Torque (ft-lbs): 200.00 | Torque (%): 336.0 | Speed (RPM): 0 | Rated Output (KW): | Power Factor (%): 41.0 | Rated Output (Hp): 20.00 |
| Curvepoint: 2/3 | Current (Amps): 250.00 | Current (%): 962.0 | Torque (ft-lbs): 200.00 | Torque (%): 336.0 | Speed (RPM): 1,000 | 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 |
