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Product details
category: General Purpose
manufacturer: Weg
mpn: 30018ET3H449T-W22
subcategory: Tefc Cast Iron
weight: 2847
With cast iron frame, flexible mounting, solid and whole feet, and lower noise levels and operating temperatures, the W22 motors are perfectly suitable for a great variety of industrial applications.
Additional Information
Catalog Number0018ET3H449T-W22
StandardNEMA MG-1
Frequency60 Hz
Voltage575 V
Number of poles4
Degree of ProtectionIP55
Synchronous speed1800 RPM
Output rating300 HP
MountingF-1
FlangeWithout
Terminal box¹Left position
EnclosureIC411 - TEFC
Frame447/9T
Output300 HP (220 kW)
Rated speed1780 RPM
Slip0.0111
Rated voltage575 V
Rated current264 A
L. R. Amperes1716 A
LRC6.5x(Code G)
No load current84.0 A
Rated torque885 ft.lb
Locked rotor torque2.5
Breakdown torque2.5
Locked rotor time28s (cold) 16s (hot)
Moment of inertia (J)89.6 sq.ft.lb
DesignB
Insulation ClassF
Service factor1.15
Temperature rise80 K
Duty CycleCont.(S1)
Starting MethodDirect On Line
Ambient temperature-20°C to +40°C
Altitude1000 m.a.s.l.
Rotation¹Both (CW and CCW)
Noise level²75.0 dB(A)
Frame MaterialCast Iron
Impregnation MethodConstant Resin Flow
Main terminal box hole2xNPT 3"
Terminal BlockWithout
DrainRubber, automatic
Shaft MaterialSAE 4140 Carbon Steel
PaintingRAL 5009 203A (ISO 12944 - C2)
Grounding LugsDouble
Fan Cover materialCast Iron
Tropicalized PaintingWithout
Fan materialPlastic
Bearing capYes- Bearing Cap
Balancing Method1/2 Key
Drip CoverWithout
Overload protector (phenolic)Without overload protector
Connection Cables Quantity6
Shaft Locking DeviceWithout
Regreasing SystemExtended, at Drive end and Non-drive end