On request
MARATHON ELECTRIC
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MARATHON ELECTRIC E291
#E291
On request
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
Price on request — a consultant will confirm lead time and terms.
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MARATHON 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
Specifications
| Brand | MARATHON ELECTRIC |
| Category | GENERAL PURPOSE MOTORS |
| 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 |
