The Marathon U289 is a General Purpose Motor. Some of the specifications of the Marathon U289 General Purpose Motor include: Marathon U289 20 HP 3600 RPM 575 Volts 3 Phase 254T Frame ODP. The warranty information for the Marathon U289 is the following: Marathon offers a 1-year manufacturer's warranty on their electric motors and motor accessories.. The Marathon U289 Typically Ships Within 1 Business Day. Some additional keywords associated with the Marathon U289 include the following: U289
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Brand
Marathon
Catalog Number
U289
Product Category
General Purpose NEMA General Purpose Three Phase Motors > Three Phase ODP Motors
HP
20
Volts
575
Frequency
60
Amps
18.4
RPM (Number of Poles)
2 (1801 RPM to 3600 RPM)
RPM (Nameplate)
3550
Speeds
1
Phase
3
Enclosure Type
Drip Proof
Rotation
Reversible
Mounting Type
Rigid Base
Frame Type
254T
Frame Material
Cast Iron
Shaft Diameter
1-5/8 (in.)
Shaft Extension
4.25 (in.)
Shaft Type
T
DE Bearing Type
Ball
ODE Bearing Type
Ball
C-Dimension
20.94 (in.)
Electrical Type
Squirrel Cage Inverter Rated
Duty
Continuous
Motor Orientation
Horizontal
Service Factor
1.15
Type of Overload Protector
No
Insulation Class
F
Max Ambient
40°C
UL
Recognized
CE
Y
CSA
Y
IP Code
22
KVA Code
G
DEM Reference
NOHP
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