Specifications
Dimensions
- Frame Size449TS
- Overall Length C Dimension51.3 in
- Service Factor1.15
- Shaft Diameter2.3750 in
- Torque367.4 ft-lbs
- Weight2700 lbs
Details
- Base RPM3575 rpm
- Country of OriginUSA
- DescriptionU.S. Motors® brand CORRO-DUTY® Motors are considered one of the toughest - built to withstand a variety of severe duty applications. These Motors are rated Class B rise at 1.0 service factor and Class F rise at 1.15 service factor with full Class F or better insulating materials. The CORRO-DUTY® motor has an all cast-iron frame, conduit box, fan cover, bearing caps and end shields. These features, along with paint and oxide primer, help protect the motor from external damage in corrosive and harsh environments. Internal protection helps extend the thermal and mechanical life of the motor.
- Duty Condition TypeContinuous Duty
- Enclosure TypeTEFC (Totally Enclosed Fan Cooled)
- Frame MaterialCast Iron
- Frequency Rating60 Hz
- Full Load Efficiency95.8 %
- Harmonization Code8501.53.8040
- Insulation ClassF
- Manufacturer Upc Number786382098711
- Max Allowable Current273 A
- ModelFG33
- Motor Horsepower250 hp
- Motor Phase3 ph
- Motor Poles2
- Motor Supply Voltage460 V
- Mounting TypeHorizontal / Foot
- NEMA Design ClassB
- Opposite Drive End Bearing6315-J/C3
- Product TypeGeneral Purpose Motors
- Shaft End Bearing6315-J/C3
- Synchronous Rpm3600 rpm
- UPC_NO786382098711
Overview
Mfr description
250 HP 3575 RPM C250P1CS 460 V 60
- Class F insulation, Class B rise at full load on 60 Hz sine wave power
- All cast iron construction (steel frame and fan cover on 140 frame)
- Corrosion-resistant mill- and chemical-duty paint
- Stainless steel nameplate (with “CE” mark) and zinc-plated hardware
- IP54 protection
- Precision balance (less than 0.08 In/Sec vibration)
- 40°C ambient, NEMA® design B performance on 60 Hz sine wave power
- Regreasable ball bearings 180 frame and up, lifting provisions 180 frame and up
- Double shielded bearings (sizes 140 to 360), open (sizes 400 to 440)
- Oversized conduit box, one size larger than NEMA® standard
- Cast iron inner bearing caps on 180 frame and larger
- Field convertible to F2 mounting 180 frame and larger
- Condensation drains with threaded brass breather plugs
- Applications: Pulp and paper, mill and chemical and any other severe duty environments found in the process industries