Premium Efficient
20NCM-3-50-18
50HP, 4P, 3Ph, 208-230/460V 60Hz, 190/380V 50Hz , 326TC, TEFC, F1, C-Face, Performance Series - Premium Efficient Motor
Elektrim Premium 20N Series TEFC IP55 1800RPM cast iron C-Face electric motor features a high 1.3 service factor, 10:1CT & 20:1VT VFD rating, oversized ball bearings, VPI for best electrical peformance, and thermistor as standard.
Part Number
20NCM-3-50-18
Product Family
Premium Efficient
Series
20N Series
Horsepower
50
Phase
3
Synchronous Speed
1800
Nominal Speed
1781
Frequency
60
Voltage
208-230/460V 60Hz, 190/380V 50Hz
Frame
326TC
Frame Material
Cast Iron
Flange
C-Face
Flange Type
-
Feet
YES
Removable Feet
YES
Rotatable Feet
NO
Double Drilled Feet
YES
Winding Connection
Double Delta / Delta
Full Load Torque (lb-ft)
148
Lock Rotor Torque (%)
250
Break Down Torque (%)
270
Full Load Amps
123.8 A @ 208V, 112 A @ 230V, 56 A @ 460V, 45 A @ 575V
LRA (%)
646
Lock Rotor Amps
724 A @ 230V, 362 A @ 460V, 290 A @ 575V
Efficiency @ 100% Load
94.5
Power Factor @ 100% Load
88
kW @ 50 Hz
Synchronous Speed @ 50 Hz
1500
Nominal Speed @ 50 Hz
1476
Full Load Torque (lb-ft) @ 50 Hz
Lock Rotor Torque (%) @ 50 Hz
Break Down Torque (%) @ 50 Hz
Full Load Amps @ 50 Hz
136 A @ 190V, 68 A @ 380V
LRA (%) @ 50 Hz
Efficiency @ 100% Load 50 Hz
93
Power Factor @ 100% Load 50 Hz
89
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)
6312 C3 (DE), 6312 C3 (ODE)
Impregnation Method
Vacuum Pressure Impregnation (VPI)
PTC Thermistors
Standard
Space Heater
Option
Junction Box Material
Cast Iron
Fan Guard Material
Rolled Steel
Shaft Seal
Mounting Position
F1
Degree of Protection
IP55
Enclosure
TEFC
Finish
RAL5010
Net Weight (lbs)
769
Ship Weight (lbs)
879
Warranty Period
3-Years