Product Specification

BrandMarathon Electric
Part NumberY856A
General Details
CategoryN/A
HP250
KW187.0
RPM1800
Voltage460
Frame447/449T
EnclosureTEFC
Motor StandardsNEMA
List PriceN/A
Technical Details
HP250
KW187.0
Phase3
RPM1800
Frame447/449T
Pole4
Voltage460
EnclosureTEFC
Motor TypeAC Motor
EfficiencyN/A
Hertz60
Weight2,924.00
PaintN/A
Ingress Protection55
Frame MaterialCast Iron
Number of LeadsN/A
Nema StandardsN/A
Nema DesignC
NameplateN/A
MountRigid Base
ResinN/A
RotorN/A
Thermostats ThermistorsN/A
WireN/A
Temperature RiseN/A
Space HeatersN/A
Service Factor1.15
RTDN/A
Insulation ClassF
ElevationN/A
DutyContinuous
Drip CoverN/A
Shaft Diameter in3.375 in
Conduit BoxN/A
Bearings NDEBall
Bearings DERoller
EncodersN/A
FanN/A
Grounding TerminalN/A
GreaseN/A
Full Load Efficiency96.5 %
Full Load Amps282.0
FlangeN/A
Ambient Teperature40C
Down Thrust lbsN/A
Direction of RotationReversible
Area Classification
ClassN/A
DivisionN/A
Class 2N/A
ZoneN/A
Group 2N/A
Temp CodeN/A
Perfomance
No Load CurrentN/A
Starts HourN/A
Guaranteed EffN/A
Start TypePart Wdg Start & Wye Start Delta Run
Noise Level dB AN/A
Safe Stall Time hotN/A
Safe Stall Time ColdN/A
Nema Load lb ftN/A
Rotor Inertia lb ftN/A
KVA CodeG
Locked Rotor Current1,825.00
Full Load Current282.00
Full Load Speed1788
Breakdown Torque248.0
Pull Up Torque170.0
Locked Rotor Torque200.0
Full Load Torque100.0
Power Factor 5095.8
Power Factor 7596.5
Power Factor 10096.5
Efficiency 5097.500
Efficiency 75145.000
Efficiency 100193.000
Speed Range
CTN/A
VTN/A
Misc
Brake RatingN/A
NoteN/A