Brake Motors
20NFB-3-2-18
2HP, 4P, 3Ph, 208-230/460V 60Hz, 190/380V 50Hz , 145T, TEFC, F1, Foot Mounted, Brake Motor
Elektrim Premium TEFC IP55 1800RPM cast iron foot mounted 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
20NFB-3-2-18
Product Family
Brake Motors
Series
20N Series
Horsepower
2
Phase
3
Synchronous Speed
1800
Nominal Speed
1745
Frequency
60
Voltage
208-230/460V 60Hz, 190/380V 50Hz
Frame
145T
Frame Material
Cast Iron
Flange
-
Flange Type
-
Feet
YES
Removable Feet
NO
Rotatable Feet
NO
Double Drilled Feet
NO
Winding Connection
Double Wye / Wye
Full Load Torque (lb-ft)
6
Lock Rotor Torque (%)
260
Break Down Torque (%)
340
Full Load Amps
5.8 A @ 208V, 5.2 A @ 230V, 2.6 A @ 460V, 2.1 A @ 575V
LRA (%)
738
Lock Rotor Amps
38.4 A @ 230V, 19.2 A @ 460V, 15.4 A @ 575V
Efficiency @ 100% Load
86.5
Power Factor @ 100% Load
83
kW @ 50 Hz
Synchronous Speed @ 50 Hz
1500
Nominal Speed @ 50 Hz
1425
Full Load Torque (lb-ft) @ 50 Hz
Lock Rotor Torque (%) @ 50 Hz
Break Down Torque (%) @ 50 Hz
Full Load Amps @ 50 Hz
6.4 A @ 190V, 3.2 A @ 380V
LRA (%) @ 50 Hz
Efficiency @ 100% Load 50 Hz
82.9
Power Factor @ 100% Load 50 Hz
86
Design Code
B
Duty Rating
Code Letter
B
Service Factor @ 60 Hz
1.4
Service Factor @ 50 Hz
1
Insulation Class
F
Inverter Rated
Bearings (DE / ODE)
6205 2Z (DE), 6205 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)
59
Ship Weight (lbs)
61
Warranty Period
3-Years