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- OPSB Enclosure
- 20 hp
- 60 Hz Frequency
- 256T Frame
applications
- Suitable for use with inverter drives for variable torque and 20:1 constant torque
- Energy saving applications where continuous- or frequent-duty is required
features
- Low loss electrical grade lamination steel
- Class F insulation
- Inverter ready per NEMA standard MG1 part 31.4.4.2
- NEMA Premium® efficiency
- Three-year warranty
caution
- Service center personnel can advise what listings and approvals motors carry, but cannot evaluate nor recommend what motors may be suitable for use in hazardous environments
- Only the end user or a qualified underwriter is to identify and select the proper class, group, division and temperature code motor to meet the requirements of each installation
- Motors misapplied in hazardous environments can cause a fire or explosion, resulting in destruction of property, serious injury or death
| Design | B |
| Power Factor | 85 |
| Synchronous | 1800 rpm |
| Mounting | Rigid Base |
| Type | 3944M |
| Multispeed | Single Speed |
| Motor Shaft Length | 4 in |
| Mounting Style | F-2 |
| Drive End Bearing | 6309 |
| Mount Type | F2 |
| RPM | 1800 rpm |
| Full Load Pf | 85 |
| Product Line | RG |
| Washdown Duty | No |
| Shaft Diameter | 1.63 in |
| NEMA Design | A |
| Shaft Dia. | 1.625 in |
| Brake Feature | No |
| Overall Length | 23.19 in |
| Rated Efficiency | 93 % |
| Inverter Duty | Inverter Ready |
| Insulation Class | F |
| Motor Shaft Size | 1 5/8 in |
| Efficiency Group | Standard Efficient |
| Conduit Box Material | Steel |
| Motor Application | General Purpose |
| Full Load Current | 55 |
| Poles | 4 |
| Frame Size | 256T |
| Frame Material | Steel |
| End Plate | Standard |
| Hz | 60 Hz |
| VoltCode | I2 |
| Efficiency | 93% |
| RefPicture | EFM3212T |
| Duty Cycle | Continuous |
| Voltage | 230 V, 460 V |
| BALD Family Names | Premium Efficient, F-2 Mounting |
| Phase | Three Phase |
| Frame | 256T |
| Full Load rpm | 1765 rpm |
| Rotation | R |
| Frequency | 60 Hz |
| Full Load Amps | 54.3 |
| Full Load Efficiency | 93 % |
| Shaft Grounding | No |
| Ambient Temperature | 104 °F |
| Shaft Rotation | Reversible |
| Voltage Rating | 200 |
| Open End Bearing | 6208 |
| Enclosure Designation | OPSB - Open Slotted Band |
| HP | 20 |
| Enclosure | OPSB |
| Useable at 208V | No |
| Base | Rigid |
| Standard | CSA EEV, NEMA_PREMIUM, UR, NEMA |
| Mult. Sym. | L1 |
| Service Factor | 1.15 |
| Speed | 1765 rpm |
| Weight | 240.0 LB |
| EAN or UPC | 781568220672 |
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NEMA Premium
