Product Specification

BrandMarathon Electric
Part Number449THFS9027
General Details
CategorySevere Duty
Product LineBlue Chip
HP300
KW223.8
RPM1800
Voltage460
EnclosureTEFC
Frame447T/449T
Motor StandardsNEMA
Technical Details
HP300
Grounding RingN/A
WireN/A
Number of LeadsN/A
Nema StandardsNEMA MG1 - 1.26.6 Waterproof specification
Nema DesignB
NameplateN/A
MountRigid
Motor TypeAC Motor
Motor StandardsNEMA
KW223.8
Insulation ClassF
Ingress ProtectionIP56
PaintBLUE (EPOXY)
Phase3
Weight3211
Voltage460
Thermostats ThermistorsConsult Manufacturer
Temperature RiseN/A
Space HeatersOptional
Shaft Diameter inN/A
Service Factor1.15
RPM1800
RotorN/A
Pole4
Hertz60
EfficiencyPremium Efficiency
DutyS1
Drip CoverN/A
Drains BreathersN/A
Down Thrust lbsN/A
Direction of RotationN/A
C Dimension51.84
Conduit BoxN/A
Bearings NDE6318
Bearings DE6319
Elevation3300
EnclosureTEFC
Grounding TerminalN/A
GreasePOLYREX EM
Full Load Efficiency96.5
Full Load Amps339
Frame MaterialCAST IRON
Frame447T/449T
FlangeN/A
FanN/A
EncodersN/A
Ambient Teperature40
Area Classification
Area ClassificationClass I, Division 2, Groups A, B, C & D, Zone 2
Perfomance
Breakdown Torque2100 LB-FT 238%
Noise Level dB A80 dBA
No Load Current98
Power Factor 10086
Power Factor 5078
Power Factor 7584.5
Pull Up TorqueN/A
Rotor Inertia lb ft93 LB-FT^2
Safe Stall Time Cold25 SEC.
Safe Stall Time hotN/A
Starts Hour1
Nema Load lb ftN/A
MAX RPMN/A
Max Allowable Inertia lb ft2500 LB-FT^2
Efficiency 10096.5
Efficiency 5095.4
Efficiency 7596.5
Full Load CurrentN/A
Full Load Speed1785
Full Load Torque883 LB-FT
Guaranteed Eff96.2
KVA CodeG
Locked Rotor Current2200
Locked Rotor Torque1775 LB-FT 201%
Start TypePWS & YDRUN OR INV
Speed Range
CT20:1
VTN/A
Misc
Brake RatingN/A
NoteN/A
OEMN/A