Brake Motors

20NFB-3-3-12

3HP, 6P, 3Ph, 208-230/460V 60Hz, 190/380V 50Hz , 213T, TEFC, F1, Foot Mounted, Brake Motor

Elektrim Premium TEFC IP55 1200RPM 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.

PRODUCT GROUP

Brake Motors

HP / OUTPUT

3

RPM

1200

PHASE

3

VOLTAGE

208-230/460V 60Hz, 190/380V 50Hz

FRAME

213T

FLANGE

-

DEGREE OF PROTECTION

IP55

MOUNTING POSITION

F1

ENCLOSURE

TEFC

Part Number

20NFB-3-3-12

Product Family

Brake Motors

Series

20N Series

Horsepower

3

Phase

3

Synchronous Speed

1200

Nominal Speed

1165

Frequency

60

Voltage

208-230/460V 60Hz, 190/380V 50Hz

Frame

213T

Frame Material

Cast Iron

Flange

-

Flange Type

-

Feet

YES

Removable Feet

NO

Rotatable Feet

NO

Double Drilled Feet

YES

Winding Connection

Double Delta / Delta

Full Load Torque (lb-ft)

13.5

Lock Rotor Torque (%)

260

Break Down Torque (%)

360

Full Load Amps

9.3 A @ 208V, 8.4 A @ 230V, 4.2 A @ 460V, 3.4 A @ 575V

LRA (%)

762

Lock Rotor Amps

64 A @ 230V, 32 A @ 460V, 25.6 A @ 575V

Efficiency @ 100% Load

89.5

Power Factor @ 100% Load

74

kW @ 50 Hz

Synchronous Speed @ 50 Hz

1000

Nominal Speed @ 50 Hz

955

Voltage @ 50 Hz

Values

Full Load Torque (lb-ft) @ 50 Hz

Lock Rotor Torque (%) @ 50 Hz

Break Down Torque (%) @ 50 Hz

Full Load Amps @ 50 Hz

9.8 A @ 190V, 4.9 A @ 380V

LRA (%) @ 50 Hz

Efficiency @ 100% Load 50 Hz

87.4

Power Factor @ 100% Load 50 Hz

79

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)

6308 2Z (DE), 6308 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)

205

Ship Weight (lbs)

235

Warranty Period

3-Years