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
Specifications
- Motor CategoryInverter Duty Motor
- Motor Phase3 ph
- Motor Horsepower250 hp
- Synchronous Rpm1800 rpm
- Motor Supply Voltage460 V
- Frame Size449T
- Enclosure TypeTEFC (Totally Enclosed Fan Cooled)
- Frequency Rating60 Hz
- Duty Condition TypeContinuous Duty
- Mounting TypeRigid Base
- Thermal ProtectionThermostats (N/C)
- Full Load Current280.0 A
- Full Load Efficiency95 %
- Ambient Temperature Range40 °C
- Motor Poles4
- Description Keyword250 hp
- Shaft Diameter3.3750 in
- Overall Length C Dimension54.03 in
- Type Of BearingBall
- NEMA Design ClassINV
- Service Factor1.00
- Frame MaterialCast Iron
- Insulation ClassH
- IP Rating43
- Standards MetCE, CSA
- Weight2,900 lbs
- Manufacturer Product Page
- Manufacturer Upc Number722856025517
- Operation Manual
- Technical Specifications250 HP, Variable Speed Motor, 3 phase, 1800 RPM, 460 V,449T Frame, TEFC
- Manufacturer Catalog NumberY579
- 2D Drawing
- Wiring Diagram
- Product TypeInverter Vector Duty Motors
Compliance & Safety Data
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