Premium Efficient
31NCM-3-20-36
20HP, 2P, 3Ph, 208-230/460V 60Hz, 190/380V 50Hz , 256TC, TEFC, F1, C-Face, Premium Efficient Motor
Elektrim Premium Efficient 31N Series TEFC 3600RPM cast iron C-Face electric motor is CSA certified for Class I Division II Group ABCD T3C, VFD 10:1CT & 100:1VT, UL Recognized.
Part Number
31NCM-3-20-36
Product Family
Premium Efficient
Series
31N Series
Horsepower
20
Phase
3
Synchronous Speed
3600
Nominal Speed
3510
Frequency
60
Voltage
208-230/460V 60Hz, 190/380V 50Hz
Frame
256TC
Frame Material
Cast Iron
Flange
C-Face
Flange Type
-
Feet
YES
Removable Feet
NO
Rotatable Feet
NO
Double Drilled Feet
YES
Winding Connection
Double Delta / Delta
Full Load Torque (lb-ft)
29.9
Lock Rotor Torque (%)
210
Break Down Torque (%)
280
Full Load Amps
50.9 A @ 208V, 46 A @ 230V, 23 A @ 460V, 18.4 A @ 575V
LRA (%)
Lock Rotor Amps
290 A @ 230V, 145 A @ 460V
Efficiency @ 100% Load
91
Power Factor @ 100% Load
91
kW @ 50 Hz
Synchronous Speed @ 50 Hz
3000
Nominal Speed @ 50 Hz
2925
Full Load Torque (lb-ft) @ 50 Hz
Lock Rotor Torque (%) @ 50 Hz
Break Down Torque (%) @ 50 Hz
Full Load Amps @ 50 Hz
60.3 A @ 190V, 28.2 A @ 380V
LRA (%) @ 50 Hz
Efficiency @ 100% Load 50 Hz
Power Factor @ 100% Load 50 Hz
Design Code
B
Duty Rating
Code Letter
B
Service Factor @ 60 Hz
1.25
Service Factor @ 50 Hz
1
Insulation Class
F
Inverter Rated
Bearings (DE / ODE)
6310ZZ (DE), 6208ZZ (ODE)
Impregnation Method
Dip and Bake
PTC Thermistors
Space Heater
Junction Box Material
Cast Iron
Fan Guard Material
Steel
Shaft Seal
Mounting Position
F1
Degree of Protection
IP55
Enclosure
TEFC
Finish
Blue
Net Weight (lbs)
325
Ship Weight (lbs)
350
Warranty Period
3-Years