Specifications
Dimensions
- Frame Size449T
- Overall Length C Dimension55.1 in
- Service Factor1.15
- Shaft Diameter3.3750 in
- Torque1105 ft-lbs
- Weight2800 lbs
Details
- Base RPM1190 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 Number786382098698
- Max Allowable Current280 A
- ModelFG35
- Motor Horsepower250 hp
- Motor Poles6
- Mounting TypeHorizontal / Foot
- NEMA Design ClassB
- Opposite Drive End Bearing6315-J/C3
- Product TypeGeneral Purpose Motors
- Synchronous Rpm1200 rpm
- UPC_NO786382098698
Overview
Mfr description
250 HP 1190 RPM C250P3C 460 V 60
- Class F Insulation, Class B rise at full load on 60 Hz sine wave power
- Cast iron construction
- Corrosion-resistant mill- and chemical-duty paint
- Stainless steel nameplate (with CE Mark) and zinc-plated hardware
- Dual bearing seals on pulley end for IP55 protection
- Dual voltage 230/460V (1 hp to 100 hp)
- Precision balance (less than 0.08 in/sec vibration)
- 40°C ambient, NEMA® design B performance on 60 Hz sine wave power
- 1.15 service factor at 60 Hz
- Self-certified Class I, Division 2, Groups A, B, C and D
- Suitable for 20:1 (3 Hz to 60 Hz) variable torque; 5:1 (12 Hz to 60 Hz) constant torque on inverter power
- Regreasable open bearings
- Lifting provisions, epoxy-coated rotor
- Field convertible to F2 mounting
- Brass breather condensation drains
- Oversized conduit box (one size larger than NEMA standard)
- Cast iron inner bearing caps
- Conversion kits: C and D flanges, canopy kits
- Manufacturer: U.S. Motors
Compliance & Safety Data
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