Find a Service Center
Alternate Products
- OPSB Enclosure
- 20 hp
- 60 Hz Frequency
- 256T Frame
applications
- Where continuous- or frequent-duty is required
- To conserve energy over extended time periods
features
- Heavy-duty frames
- Ball bearings
- ISR copper windings
- Low-loss electrical lamination grade steel
- Three-year warranty
caution
- Motors misapplied in hazardous environments can cause a fire or explosion, resulting in destruction of property, serious injury or death
- 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
- 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
| Type | 3944M |
| Synchronous | 1800 rpm |
| Motor Shaft Length | 4 in |
| Rated Efficiency | 93 % |
| Motor Shaft Size | 1 5/8 in |
| Phase | Three Phase |
| Insulation Class | F |
| Full Load Amps | 23.5 |
| Standard | CSA EEV, NEMA_PREMIUM, UR, NEMA |
| Motor Application | General Purpose |
| Shaft Rotation | Reversible |
| Drive End Bearing | 6309 |
| Full Load Efficiency | 93 % |
| Ambient Temperature | 104 °F |
| RefPicture | EMDP |
| Service Factor | 1.15 |
| Washdown Duty | No |
| Open End Bearing | 6208 |
| Mult. Sym. | L1 |
| Shaft Diameter | 1.63 in |
| Multispeed | Single Speed |
| Efficiency Group | Premium Efficient |
| Full Load rpm | 1765 rpm |
| Design | B |
| Brake Feature | No |
| Inverter Duty | Inverter Ready |
| Frame | 256T |
| HP | 20 |
| Enclosure | OPSB |
| Substitute Motor | M2515T |
| Frequency | 60 Hz |
| Rotation | R |
| Poles | 4 |
| NEMA Design | A |
| Hz | 60 Hz |
| End Plate | Standard |
| Overall Length | 23.19 in |
| Conduit Box Material | Steel |
| Full Load Pf | 86 |
| VoltCode | E1 |
| Power Factor | 85 |
| Voltage | 460 V |
| Useable at 208V | Yes |
| Product Line | RG |
| Enclosure Designation | OPSB - Open Slotted Band |
| BALD Family Names | Premium Efficient, Nema Premium™ |
| Shaft Dia. | 1.625 in |
| Speed | 1765 rpm |
| Mounting | Rigid Base |
| Duty Cycle | Continuous |
| Epact Nominal Full Load Efficiency | 91 % |
| Mounting Style | F-1 |
| Frame Material | Steel |
| Base | Rigid |
| Full Load Current | 48/24 |
| Shaft Grounding | No |
| Voltage Rating | 460, 230 |
| C Face Kit | 39-1400 |
| Mount Type | F1 |
| Efficiency | 93% |
| Frame Size | 256T |
| RPM | 1800 rpm |
| Weight | 241.001 LB |
| EAN or UPC | 781568104910 |
-
![NEMA Premium]()
NEMA Premium
