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category:
Severe Duty
manufacturer:
Weg
mpn:
25012ST3HIE449T-W22
subcategory:
Ieee 841
weight:
2971
The W22 IEEE 841 motors were especially designed to operate in petrochemical and chemical industries. The motor has cast iron frame, flexible mounting, solid and whole feet, low noise levels, anticorrosive internal coating and high efficiency.
Additional Information
Catalog Number5012ST3HIE449T-W22
StandardNEMA MG-1
Frequency60 Hz
Voltage575 V
Number of poles6
Degree of ProtectionIP55
Synchronous speed1200 RPM
Output rating250 HP
MountingF-1
FlangeWithout
Terminal box¹Left position
EnclosureIC411 - TEFC
Frame447/9T
Output250 HP (185 kW)
Rated speed1185 RPM
Slip0.0125
Rated voltage575 V
Rated current234 A
L. R. Amperes1425 A
LRC6.1x(Code G)
No load current96.0 A
Rated torque1110 ft.lb
Locked rotor torque2.4
Breakdown torque2.4
Locked rotor time21s (cold) 12s (hot)
Moment of inertia (J)145 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 level²70.0 dB(A)
Frame MaterialCast Iron
Impregnation MethodConstant Resin Flow
Main terminal box hole2xNPT 3"
Terminal BlockWithout
DrainType T, Threaded
Shaft MaterialSAE 4140 Carbon Steel
PaintingRAL 5009 202E (ISO 12944 - C4)
Grounding LugsDouble
Fan Cover materialCast Iron
Tropicalized PaintingAccording to IEEE-841 (96h)
Fan materialBronze
Bearing capYes- Bearing Cap
Drip CoverWithout
Overload protector (phenolic)Without overload protector
Connection Cables Quantity3
Shaft Locking DeviceWithout
Regreasing SystemExtended in Stainless Steel, at Drive end and Non-drive end
Bolt MaterialCarbon Steel
Joints SealMolykote
Foot flatness(0.005 pol) 0.127 mm