Other Purpose Motor, 20 & 15 HP, 3 Ph, 60 & 50 Hz, 208-230/460 & 190/380 V, 1800 & 1500 RPM, 256T Frame, DP
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Other Purpose Motor, 20 & 15 HP, 3 Ph, 60 & 50 Hz, 208-230/460 & 190/380 V, 1800 & 1500 RPM, 256T Frame, DP
Part#: 256TTDB4026
Catalog#: E723A
Model#: 256TTDB4026BB
Weight: 278 lb
Your Price: Login is Required
Key Features
- Meets or exceeds NEMA Premium® efficiencies NEMA Premium® models are in compliance with EISA2007
- Motors are suitable for 10:1 VT on all frame sizes and 10:1 CT up to 365T frame (Except where noted)
- 1.15 Service Factor
- Normally closed thermostats, as noted
- Class F Insulation
- Nameplated 60/50 hertz
- UL Recognized, CSA Certified and CE Marked
Specifications
| Phase | Phase: 3 | Output HP | Output HP: 20 & 15 Hp |
| Output KW | Output KW: 14.9 & 11.2 kW | Voltage | Voltage: 208-230/460 & 190/380 V |
| Speed | Speed: 1760 & 1465 rpm | Service Factor | Service Factor: 1.15 & 1.15 |
| Frame | Frame: 256T | Enclosure | Enclosure: Drip Proof |
| Thermal Protection | Thermal Protection: No Protection | Efficiency | Efficiency: 91 & 91.7 % |
| Ambient Temperature | Ambient Temperature: 40 °C | Frequency | Frequency: 60 & 50 Hz |
| Current | Current: 54-47/23.5 & 43/21.5 A | Power Factor | Power Factor: 87 |
| Duty | Duty: Continuous | Insulation Class | Insulation Class: B |
| Design Code | Design Code: B | KVA Code | KVA Code: G |
| Drive End Bearing Size | Drive End Bearing Size: 6309 | Opp Drive End Bearing Size | Opp Drive End Bearing Size: 6308 |
| UL | UL: Recognized | CSA | CSA: Y |
| CE | CE: Y | IP Code | IP Code: 12 |
| Number of Speeds | Number of Speeds: 1 |
| Electrical Type | Electrical Type: Squirrel Cage Induction Run | Starting Method | Starting Method: Across The Line |
| Poles | Poles: 4 | Rotation | Rotation: Reversible |
| Resistance Main | Resistance Main: .43 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: Rolled Steel |
| Shaft Type | Shaft Type: T | Overall Length | Overall Length: 22.05 in |
| Shaft Diameter | Shaft Diameter: 1.625 in | Shaft Extension | Shaft Extension: 4 in |
| Assembly/Box Mounting | Assembly/Box Mounting: F1/F2 Capable |
| Service Factor | Service Factor: 1.15 | Frame Suffix | Frame Suffix: T |
| Current | Current: 54.0-47.0/23.5 A | Synchronous RPM | Synchronous RPM: 1800 & 1500 rpm |
| Frequency | Frequency: 60 Hz | Speed | Speed: 1760 rpm |
| Connection Drawing | Connection Drawing: A-EE7308 | Outline Drawing | Outline Drawing: B-SS620017 |
| Voltage | Voltage: 208-230/460 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: 91 % |
| % of Rated Load | 0% | 25% | 50% | 75% | 100% | 115% | 125% |
|---|---|---|---|---|---|---|---|
| % of Rated Load: Current (Amps) | 0%: 5.40 | 25%: 8.00 | 50%: 12.50 | 75%: 17.80 | 100%: 23.50 | 115%: 27.50 | 125%: 30.00 |
| % of Rated Load: Rated Output (KW) | 0%: 0.40 | 25%: 4.20 | 50%: 8.10 | 75%: 12.20 | 100%: 16.30 | 115%: 19.00 | 125%: 20.80 |
| % of Rated Load: Efficiency (%) | 0%: 0.0 | 25%: 90.0 | 50%: 92.5 | 75%: 92.0 | 100%: 91.0 | 115%: 90.5 | 125%: 89.5 |
| % of Rated Load: Power Factor (%) | 0%: 8.2 | 25%: 66.0 | 50%: 81.5 | 75%: 86.0 | 100%: 87.0 | 115%: 86.8 | 125%: 86.5 |
| % of Rated Load: Speed (RPM) | 0%: 1,800 | 25%: 1,790 | 50%: 1,780 | 75%: 1,770 | 100%: 1,760 | 115%: 1,752 | 125%: 1,745 |
| % of Rated Load: Temp. Rise @ FL | 0%: 0.0 | 25%: 0.0 | 50%: 0.0 | 75%: 0.0 | 100%: 65.0 | 115%: 0.0 | 125%: 0.0 |
| % of Rated Load: Torque (ft-lbs) | 0%: 0.00 | 25%: 14.80 | 50%: 29.50 | 75%: 44.50 | 100%: 60.00 | 115%: 68.90 | 125%: 75.50 |
| Curvepoint | Current (Amps) | Current (%) | Torque (ft-lbs) | Torque (%) | Speed (RPM) | Rated Output (KW) | Power Factor (%) | Rated Output (Hp) |
|---|---|---|---|---|---|---|---|---|
| Curvepoint: Pull-Up | Current (Amps): 120.00 | Current (%): 511.0 | Torque (ft-lbs): 90.00 | Torque (%): 150.0 | Speed (RPM): 900 | Rated Output (KW): | Power Factor (%): | Rated Output (Hp): 20.00 |
| Curvepoint: Full Load | Current (Amps): 23.50 | Current (%): 100.0 | Torque (ft-lbs): 60.00 | Torque (%): 100.0 | Speed (RPM): 1,760 | Rated Output (KW): | Power Factor (%): | Rated Output (Hp): 20.00 |
| Curvepoint: Break-Down | Current (Amps): 85.00 | Current (%): 362.0 | Torque (ft-lbs): 153.00 | Torque (%): 255.0 | Speed (RPM): 1,625 | Rated Output (KW): | Power Factor (%): 67.0 | Rated Output (Hp): 20.00 |
| Curvepoint: 2/3 | Current (Amps): 100.00 | Current (%): 426.0 | Torque (ft-lbs): 105.00 | Torque (%): 175.0 | Speed (RPM): 1,200 | Rated Output (KW): | Power Factor (%): | Rated Output (Hp): 20.00 |
| Curvepoint: No Load | Current (Amps): 5.40 | Current (%): 23.0 | Torque (ft-lbs): 0.00 | Torque (%): 0.0 | Speed (RPM): 1,800 | Rated Output (KW): | Power Factor (%): | Rated Output (Hp): 20.00 |
| Curvepoint: 1/3 | Current (Amps): 130.00 | Current (%): 553.0 | Torque (ft-lbs): 85.00 | Torque (%): 142.0 | Speed (RPM): 600 | Rated Output (KW): | Power Factor (%): | Rated Output (Hp): 20.00 |
| Curvepoint: Locked-Rotor | Current (Amps): 143.00 | Current (%): 609.0 | Torque (ft-lbs): 100.00 | Torque (%): 167.0 | Speed (RPM): 0 | Rated Output (KW): | Power Factor (%): 36.0 | 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 |
