LM22841, 20 HP, 1800 RPM, 256TC FR, TEFC, 230/460 Vac, 3 PH, Rigid Base, Inverter Duty

Engineering Data
Volts 230 Volts 460 Volts 208/415
F.L. Amps 50 F.L. Amps 25 F.L. Amps 56/28
S. F Amps S. F Amps S. F Amps

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RPM 1800 Hertz 60/50
HP 20 Duty CONTINUOUS TYPE TFL
KW 14.92
Frame 256TC Serv. Factor 1.0 Phase 3
Max Amb 40 Design B Code F
Insul Class F Protection NOT Therm.Prot.
Eff 100% 91 Eff 75% PF 82
UL V-INS, CONST UL REC CSA Yes Bearing OPE 208
CC Number CE Yes Bearing PE 309
Load Type Inverter Type NONE Speed Range NONE

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Motor Wt. 185 LB Enclosure TEFC Lubrication STANDARD
Nameplate Mounting RIGID Rotation REV
Assembly Shaft Dia. Ext. Diag. A-EE7308T-LN
Cust Part No Outline B-SS321103LN-1375 Ext. Diag2 NT4C
Packaging B Outline Dash No Winding K2564181
Carton Label GROUP: 6
Iris Paint LINCOLN GRAY Test Card

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Form Factor RMS Amps Const Torque Speed Range
Torque Peak
AB Code Peak@DegC
Resistance
Connection

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Rework Status Rework TYPE

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Hazardous Loc NONE Brake Motors
Explosion Proof Temp Op Code FORCE
Class GROUP: VDC
Class GROUP: ADC
Brake Coil OHMs @25 C
Performance
Torque UOM Inertia (WK²)
Torque
CURRENT (amps)
Efficiency (%)
PowerFactor
Load Curve Data @60/50 Hz, 460 Volts, 20 Horsepower
Load Amps KW RPM Torque Eff PF Rise By Resis Frame Rise
0.0 9.5 0.5 1800 0.0 0.0 7.0 0.0 -
0.25 11.5 4.5 1790 14.5 85.5 48.0 0.0 -
0.5 15.0 8.5 1785 29.5 90.2 70.0 0.0 -
0.75 19.5 12.5 1775 44.5 91.0 79.5 0.0 -
1.0 25.0 16.5 1765 59.5 91.0 82.0 56.0 -
1.15 28.5 19.0 1760 68.5 90.2 84.0 75.0 -
1.25 31.0 20.5 1755 75.0 89.5 84.5 90.0