171588.60, 20 HP, 3600 RPM, 256TC FR, TEFC, 208-230/460 Vac, 3 PH, C Face w/Base, General Purpose

171588.60, 20 HP, 3600 RPM, 256TC FR, TEFC, 208-230/460 Vac, 3 PH, C Face w/Base, General Purpose.

Engineering Data

Volts 208-230 Volts 460 Volts 190/380
F.L. Amps 50.8-46 F.L. Amps 23 F.L. Amps 40.4/20.2
S. F Amps 53.0 S. F Amps 26.5 S. F Amps 46.4/23.2

RPM 3600 Hertz 60/50
HP 20 Duty CONTINUOUS TYPE TF
KW 14.9
Frame 256TC 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% 92.4 PF 88.5
UL V-INS, CONST UL REC CSA No Bearing OPE 6308
CC Number CC005A CE No Bearing PE 6309
Load Type Inverter Type Speed Range NONE

Motor Wt. 326 LB Enclosure TEFC Lubrication POLYREX EM
Nameplate Mounting RIGID Rotation REV
Assembly Shaft Dia. Ext. Diag. 004172.01
Cust Part No Outline SS622044LE Ext. Diag2
Packaging B Winding T12902023
Carton Label GROUP: 3
Iris Paint LEESON WATTSAVER GREEN Test Card

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

Rework Status Rework TYPE

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 LB-FT Inertia (WK²) 2 LB-FT^2
Torque 29.6(Full Load) 81.4(Break Down) 54.8(Pull Up) 75.4(Locked Rotor)
CURRENT (amps) 23(Full Load) 0(Break Down) 0(Pull Up) 314(Locked Rotor)
Efficiency (%) 0(Full Load) 92.6(75% Load) 92(50% Load) 88.1(25% Load)
PowerFactor (Full Load) 87.3(75% Load) 81.9(50% Load) 67.3(25% Load)

Load Curve Data @60/50 Hz, 460 Volts, 20 Horsepower
Load Amps KW RPM Torque EFF PF Rise By Resis Frame Rise
0.0 5.4 0.43 3600 0.0 0.0 9.9 0.0 -
0.25 8.1 4.343 3589 7.5 88.1 67.3 0.0 -
0.5 12.7 8.288 3578 15.0 92.0 81.9 0.0 -
0.75 17.7 12.31 3566 22.5 92.6 87.3 0.0 -
1.0 23.1 16.32 3552 30.0 92.8 88.7 60.0 -
1.25 29.1 20.5 3539 37.5 92.0 88.4 0.0 -
1.5 35.2 24.72 3524 45.0 91.2 88.1 0.0 -
SOURCE: CALCULATED GROUP: 3