Product Specification

BrandMarathon Electric
Part Number256TTFNA7250
General Details
CategoryDefinite Purpose
HP15/3.75
KW11.19
RPM1800/900
Voltage460
Frame256T
EnclosureTEFC
Motor StandardsNEMA
List Price2,985
Technical Details
HP15/3.75
KW11.19
PhaseN/A
RPM1800/900
Frame256T
Pole8-Apr
Voltage460
EnclosureTEFC
Motor TypeAC Motor
EfficiencyN/A
Hertz60
Weight381
PaintBLUE (EPOXY)
Ingress Protection55
Frame MaterialCAST IRON
Number of LeadsN/A
Nema StandardsN/A
Nema Design1VT
NameplateN/A
MountRigid
ResinN/A
RotorN/A
Thermostats ThermistorsN/A
WireN/A
Temperature RiseN/A
Space HeatersOptional
Service FactorN/A
RTDN/A
Insulation ClassF
Elevation3300
DutyS1
Drip CoverFALSE
Shaft Diameter inN/A
Conduit BoxN/A
Bearings NDE6210
Bearings DE6309
EncodersN/A
FanN/A
Grounding TerminalN/A
GreasePOLYREX EM
Full Load EfficiencyN/A
Full Load Amps18.0/6.0
FlangeSTANDARD
Ambient Teperature40C
Down Thrust lbsN/A
Direction of RotationN/A
Area Classification
ClassN/A
DivisionN/A
Class 2N/A
ZoneN/A
Group 2N/A
Temp CodeN/A
Perfomance
No Load Current3.8
Starts Hour-
Guaranteed Eff83.8
Start TypeACROSS THE LINE
Noise Level dB A54 dBA
Safe Stall Time hotN/A
Safe Stall Time Cold#NAME?
Nema Load lb ftN/A
Rotor Inertia lb ft2.95 LB-FT^2
KVA CodeJ
Locked Rotor Current26.5
Full Load CurrentN/A
Full Load Speed1770
Breakdown Torque52 LB-FT 231%
Pull Up TorqueN/A
Locked Rotor Torque35 LB-FT 156%
Full Load Torque22.5 LB-FT
Power Factor 5047
Power Factor 7559.5
Power Factor 10087&67.5
Efficiency 5082.5
Efficiency 7585.5
Efficiency 10090.2&86.5
Speed Range
CTN/A
VTN/A
Misc
Brake RatingN/A
NoteN/A