Brake Motors
20NCB-3-20-12
20HP, 6P, 3Ph, 208-230/460V 60Hz, 190/380V 50Hz , 286TC, TEFC, F1, C-Face, Brake Motor
Elektrim Premium TEFC IP55 1200RPM cast iron C-Face electric motor features a high lock rotor and brake torque with a DC HPSY brake with 460V AC rectifier for applications requiring a quick stop.
Part Number
20NCB-3-20-12
Product Family
Brake Motors
Series
20N Series
Horsepower
20
Phase
3
Synchronous Speed
1200
Nominal Speed
1185
Frequency
60
Voltage
208-230/460V 60Hz, 190/380V 50Hz
Frame
286TC
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)
88.5
Lock Rotor Torque (%)
380
Break Down Torque (%)
320
Full Load Amps
56.4 A @ 208V, 51 A @ 230V, 25.5 A @ 460V, 20.4 A @ 575V
LRA (%)
867
Lock Rotor Amps
442 A @ 230V, 221 A @ 460V, 177 A @ 575V
Efficiency @ 100% Load
91.7
Power Factor @ 100% Load
80
kW @ 50 Hz
Synchronous Speed @ 50 Hz
1000
Nominal Speed @ 50 Hz
980
Full Load Torque (lb-ft) @ 50 Hz
Lock Rotor Torque (%) @ 50 Hz
Break Down Torque (%) @ 50 Hz
Full Load Amps @ 50 Hz
61.4 A @ 190V, 30.7 A @ 380V
LRA (%) @ 50 Hz
Efficiency @ 100% Load 50 Hz
90.8
Power Factor @ 100% Load 50 Hz
81
Design Code
A
Duty Rating
Code Letter
A
Service Factor @ 60 Hz
1.2
Service Factor @ 50 Hz
1
Insulation Class
F
Inverter Rated
Bearings (DE / ODE)
6311 2Z (DE), 6311 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)
421
Ship Weight (lbs)
476
Warranty Period
3-Years