Product Specification

BrandMarathon Electric
Part Number286THFNA19066
General Details
CategorySevere Duty
Product LineBlue Chip
HP30
KW22.38
RPM1800
Voltage460
EnclosureTEFC
Frame286T
Motor StandardsNEMA
Technical Details
Phase3
HP30
Ingress ProtectionIP56
Insulation ClassF
KW22.38
Motor StandardsNEMA
Motor TypeAC Motor
MountRigid
NameplateN/A
Nema DesignB
Number of LeadsN/A
PaintBLUE (EPOXY)
Hertz60
Pole4
RotorN/A
RPM1800
Service Factor1.15
Shaft Diameter inN/A
Space HeatersOptional
Temperature RiseN/A
Thermostats ThermistorsConsult Manufacturer
Voltage460
Weight525
WireN/A
EnclosureTEFC
Bearings DE6311
Bearings NDE6210
Conduit BoxN/A
C Dimension27.84
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
Frame286T
Frame MaterialCAST IRON
Full Load Amps36.5
Full Load Efficiency94.1
GreasePOLYREX EM
Grounding RingAEGIS Shaft Grounding Ring Installed
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 Hour2
Safe Stall Time hotN/A
Safe Stall Time Cold25 SEC.
Rotor Inertia lb ft4.6 LB-FT^2
Pull Up TorqueN/A
Power Factor 7577
Power Factor 5067.5
Power Factor 10082
No Load Current15
Noise Level dB A65 dBA
Nema Load lb ftN/A
Breakdown Torque245 LB-FT 275%
Max Allowable Inertia lb ft225 LB-FT^2
Locked Rotor Torque165 LB-FT 185%
Locked Rotor Current217
KVA CodeG
Guaranteed Eff93.6
Full Load Torque89 LB-FT
Full Load Speed1773
Full Load CurrentN/A
Efficiency 7594.1
Efficiency 5093.6
Efficiency 10094.1
Speed Range
CT20:1
VTN/A
Misc
Brake RatingN/A
NoteN/A
OEMN/A