Product Specification

BrandMarathon Electric
Part Number444THFS9101
General Details
CategorySevere Duty
Product LineBlue Chip
HP75
KW55.95
RPM900
Voltage460
EnclosureTEFC
Frame444T
Motor StandardsNEMA
Technical Details
Phase3
HP75
Ingress ProtectionIP56
Insulation ClassF
KW55.95
Motor StandardsNEMA
Motor TypeAC Motor
MountRigid
NameplateN/A
Nema DesignB
Number of LeadsN/A
PaintBLUE (EPOXY)
Hertz60
Pole8
RotorN/A
RPM900
Service Factor1.15
Shaft Diameter inN/A
Space HeatersOptional
Temperature RiseN/A
Thermostats ThermistorsConsult Manufacturer
Voltage460
Weight1734
WireN/A
EnclosureTEFC
Bearings DE6318
Bearings NDE6316
Conduit BoxN/A
C Dimension41.25
Direction of RotationN/A
Down Thrust lbsN/A
Drains BreathersN/A
Drip CoverN/A
DutyS1
EfficiencyPremium Efficiency
Elevation3300
Ambient Teperature40
EncodersN/A
FanN/A
FlangeN/A
Frame444T
Frame MaterialCAST IRON
Full Load Amps100
Full Load Efficiency93.6
GreasePOLYREX EM
Grounding RingN/A
Grounding TerminalN/A
Area Classification
Area ClassificationClass I, Division 2, Groups A, B, C & D, Zone 2
Temp CodeT2B
Perfomance
MAX RPMN/A
Start TypeLINE OR INVERTER
Starts Hour-
Safe Stall Time hotN/A
Safe Stall Time Cold20 SEC.
Rotor Inertia lb ft72 LB-FT^2
Pull Up TorqueN/A
Power Factor 7571.5
Power Factor 5062
Power Factor 10075.5
No Load Current44
Noise Level dB A68 dBA
Nema Load lb ftN/A
Breakdown Torque900 LB-FT 203%
Max Allowable Inertia lb ft- LB-FT^2
Locked Rotor Torque725 LB-FT 164%
Locked Rotor Current500
KVA CodeG
Guaranteed Eff93
Full Load Torque443 LB-FT
Full Load Speed890
Full Load CurrentN/A
Efficiency 7594.1
Efficiency 5094.1
Efficiency 10093.6
Speed Range
CT20:1
VTN/A
Misc
Brake RatingN/A
NoteN/A
OEMN/A