Premium Efficient
20NCM-3-20-36RB
20HP, 2P, 3Ph, 208-230/460V 60Hz, 190/380V 50Hz , 256TC, TEFC, F1, C-Face, Performance Series - Premium Efficient Motor
Part Number
20NCM-3-20-36RB
Product Family
Premium Efficient
Series
20N Series
Horsepower
20
Phase
3
Synchronous Speed
3600
Nominal Speed
3540
Frequency
60
Voltage
208-230/460V 60Hz, 190/380V 50Hz
Frame
256TC
Frame Material
Cast Iron
Flange
C-Face
Flange Type
-
Feet
NO
Removable Feet
NO
Rotatable Feet
NO
Double Drilled Feet
NO
Winding Connection
Double Delta / Delta
Full Load Torque (lb-ft)
29.7
Lock Rotor Torque (%)
230
Break Down Torque (%)
260
Full Load Amps
50.6 A @ 208V, 45.8 A @ 230V, 22.9 A @ 460V, 18.3 A @ 575V
LRA (%)
603
Lock Rotor Amps
276 A @ 230V, 138 A @ 460V, 110 A @ 575V
Efficiency @ 100% Load
92
Power Factor @ 100% Load
89
kW @ 50 Hz
Synchronous Speed @ 50 Hz
3000
Nominal Speed @ 50 Hz
2905
Full Load Torque (lb-ft) @ 50 Hz
Lock Rotor Torque (%) @ 50 Hz
Break Down Torque (%) @ 50 Hz
Full Load Amps @ 50 Hz
58.2 A @ 190V, 29.1 A @ 380V
LRA (%) @ 50 Hz
Efficiency @ 100% Load 50 Hz
88.4
Power Factor @ 100% Load 50 Hz
88
Design Code
B
Duty Rating
Code Letter
B
Service Factor @ 60 Hz
1.3
Service Factor @ 50 Hz
1
Insulation Class
F
Inverter Rated
Bearings (DE / ODE)
6309 2Z (DE), 6309 2Z (ODE)
Impregnation Method
Vacuum Pressure Impregnation (VPI)
PTC Thermistors
Option
Space Heater
Option
Junction Box Material
Aluminum (Cast Iron Optional)
Fan Guard Material
Rolled Steel
Shaft Seal
Mounting Position
F1
Degree of Protection
IP55
Enclosure
TEFC
Finish
RAL5010
Net Weight (lbs)
306
Ship Weight (lbs)
361
Warranty Period
3-Years