Specifications
Dimensions
- Frame Size449T
- Overall Length C Dimension54.03 in
- Service Factor1.00
- Shaft Diameter3.3750 in
- Weight2,900 lbs
Details
- 2D Drawing
- Ambient Temperature Range40 °C
- Description Keyword250 hp
- Duty Condition TypeContinuous Duty
- Enclosure TypeTEFC (Totally Enclosed Fan Cooled)
- Frame MaterialCast Iron
- Frequency Rating60 Hz
- Full Load Current280.0 A
- Full Load Efficiency95 %
- Insulation ClassH
- IP Rating43
- Manufacturer Catalog NumberY579
- Manufacturer Product Page
- Manufacturer Upc Number722856025517
- Motor CategoryInverter Duty Motor
- Motor Horsepower250 hp
- Motor Phase3 ph
- Motor Poles4
- Motor Supply Voltage460 V
- Mounting TypeRigid Base
- NEMA Design ClassINV
- Operation Manual
- Product TypeInverter Vector Duty Motors
- Standards MetCE, CSA
- Synchronous Rpm1800 rpm
- Technical Specifications250 HP, Variable Speed Motor, 3 phase, 1800 RPM, 460 V,449T Frame, TEFC
- Thermal ProtectionThermostats (N/C)
- Type Of BearingBall
- Wiring Diagram
Overview
Mfr description
250HP 1800RPM Y579 TEFC 460V 447/449T
- MAX GUARD® Class H insulation system Constant torque operation from 0 to base speed on vector drive, including TEFC (On Volts/Hertz drives, TEFC motors are limited to 20:1 constant torque Constant HP operation to twice base speed (143-256 frame);1.5 times base (all others) Optimized for operation with IGBT inverter (NEMA Design A) Normally closed thermostats (one per phase, class F) Blue Chip quality, cast iron frame and brackets Patented “fracket” design (TEBC enclosure) Suitable for 20:1 CT on vector drive, continuous duty or 2000:1