MARATHON ELECTRIC E291
MARATHON ELECTRIC
MARATHON ELECTRIC E291
E291 PART NUMBER
449TTFS16334 General Purpose Motor - 3 ph, 400 hp, 1800 rpm, 460 V, 447/449T Frame, TEFC (Totally Enclosed Fan Cooled) Enclosure, 60 Hz, Rigid Base Mount, 1788 rpm Base RPM
QTY QUOTEMARATHON ELECTRIC - MARATHON ELECTRIC E291
Meets or exceeds NEMA Premium® efficiency. Model is in compliance with EISA2007
Suitable for use on a VFD. Variable Torque and Constant Torque (as noted)
1.15 Service Factor on sinewave, 1.0 Service Factor on IGBT power
F1 conduit box on Rigid Base, F3 on C-Face Footed (Rigid Base) motors
Bearing Current Protection (BCP), as noted
Shaft slinger, Class F insulation
C-Face Footed models are rated 60/50 Hz, same HP
Motors accept C-face kits, as noted
SPECIFICATIONS
| Motor Phase | 3 ph |
|---|---|
| Shaft Rotation | Reversible |
| Motor Horsepower | 400 hp |
| Shaft Type | T |
| Synchronous Rpm | 1800 rpm |
| Motor Length Less Shaft | 28.75 in |
| Motor Supply Voltage | 460 V |
| Overall Length (C-Dimension) | 56.71 in |
| Frame Size | 447/449T |
| Ambient Temperature Range | 40 °C |
| Enclosure Type | TEFC (Totally Enclosed Fan Cooled) |
| Bearing Type | Ball |
| Frequency Rating | 60 Hz |
| Opposite Drive End Bearing Type | Ball |
| Mounting Type | Rigid Base |
| Nema Design Class | A |
| Base Rpm | 1788 rpm |
| Service Factor | 1.15 |
| Assembly/Box Mounting | F1/F2 Capable |
| Frame Material | Cast Iron |
| Duty / Condition Type | Continous Duty |
| Insulation Class | H |
| Thermal Protection | None |
| Ip Rating | 43 |
| Electrical Type | Squirrel Cage Inverter Rated |
| Standards Met | CE,UL Recognized,CSA |
| Full Load Efficiency | 0.965 |
| Drive End Bearing Size | 6319 |
| Kva Code | H |
| Opposite Drive End Bearing Size | 6318 |
| Kw | 300 kW |
| Manufacturer Upc Number | 722856018601 |
| Motor Orientation | Horizontal |
| Manufacturer Product Page | https://www.regalbeloit.com/api/sitecore/Product/GeneratePack?model=449TTFS16334 |
| Motor Poles | 4-pole |
| Wiring Diagram | https://ids.regalbeloit.com/drawingsearchcomponent/drawing.do?invoke=viewDrawingSearchResults&drawingNo=A-EE7300&displayType=pdf&rules=on&[email protected]&[email protected]&model=449TTFS16334 |
| Starting Method | Line Or Inverter |
| 2D Drawing | https://ids.regalbeloit.com/drawingsearchcomponent/drawing.do?invoke=viewDrawingSearchResults&drawingNo=B-SS519694-2875&displayType=pdf&rules=on&[email protected]&[email protected]&model=449TTFS16334 |
| Volts @ Frequency | 460 @ 60 V, Hz |
| Shaft Diameter | 3.38 in |
