811556.00, 20 HP, 3600 RPM, 256T FR, TEFC, 460 Vac, 3 PH, Rigid Base, Premium Efficient

811556.00, 20 HP, 3600 RPM, 256T FR, TEFC, 460 Vac, 3 PH, Rigid Base, Premium Efficient.

Engineering Data
Volts 460 Volts Volts
F.L. Amps 23.4 F.L. Amps F.L. Amps
S. F Amps 26 S. F Amps S. F Amps

RPM 3600 Hertz 60
HP 20 Duty CONTINUOUS TYPE TW
KW 14.9
Frame 256T Serv. Factor 1.15 Phase 3
Max Amb 40 Design B Code G
Insul Class F Protection NOT Therm.Prot.
Eff 100% 92.4 Eff 75% PF 86
UL V-INS, CONST UL REC CSA Yes Bearing OPE 210
CC Number CC005A CE Yes Bearing PE 309
Load Type Inverter Type Speed Range 1.5 X BASE SPEED

Motor Wt. 375 LB Enclosure TEFC Lubrication STANDARD
Nameplate Mounting RIGID Rotation REV
Assembly Shaft Dia. 1-9/14 IN Ext. Diag. A-EE7300-LE
Cust Part No Outline B-SS203002LE-1225 Ext. Diag2
Packaging B Winding K256288
Carton Label GROUP: 7
Iris Paint GREEN - LEESON (EPOXY) Test Card

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

Rework Status Rework TYPE

Hazardous Loc DIVISION 2 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 Hz, 460 Volts, 20 Horsepower
Load Amps KW RPM Torque EFF PF Rise By Resis Frame Rise
0.0 7.0 0.5 3600 0.0 0.0 10.5 0.0 -
0.25 9.0 4.0 3585 7.5 87.5 58.5 30.0 -
0.5 13.0 8.0 3570 15.0 91.0 78.0 25.0 -
0.75 18.0 12.0 3555 22.0 91.7 85.0 0.0 -
1.0 23.4 16.5 3537 29.7 92.4 86.0 55.0 -
1.15 26.0 18.0 3525 31.0 91.7 87.0 75.0 -
1.25 29.5 20.5 3515 37.5 90.2 88.5 0.0 -