Premium Efficient

20NFM-3-20-36

20HP, 2P, 3Ph, 208-230/460V 60Hz, 190/380V 50Hz , 256T, TEFC, F1, Foot Mounted, Performance Series - Premium Efficient Motor

Elektrim Premium 20N Series TEFC IP55 3600RPM cast iron foot mounted electric motor features a high 1.3 service factor, oversized ball bearings, VPI, VFD 10:1CT and 20:1VT and is rerateable for multiple voltages.

PRODUCT GROUP

Premium Efficient

HP / OUTPUT

20

RPM

3600

PHASE

3

VOLTAGE

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

FRAME

256T

FLANGE

-

DEGREE OF PROTECTION

IP55

MOUNTING POSITION

F1

ENCLOSURE

TEFC

Part Number

20NFM-3-20-36

Product Family

Premium Efficient

Series

20N Series

Horsepower

20

Phase

3

Synchronous Speed

3600

Nominal Speed

3540

Frequency

60

Voltage

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

Frame

256T

Frame Material

Cast Iron

Flange

-

Flange Type

-

Feet

YES

Removable Feet

NO

Rotatable Feet

NO

Double Drilled Feet

NO

Winding Connection

Double Delta / Delta

Full Load Torque (lb-ft)

29.7

Lock Rotor Torque (%)

230

Break Down Torque (%)

260

Full Load Amps

50.6 A @ 208V, 45.8 A @ 230V, 22.9 A @ 460V, 18.3 A @ 575V

LRA (%)

603

Lock Rotor Amps

276 A @ 230V, 138 A @ 460V, 110 A @ 575V

Efficiency @ 100% Load

92

Power Factor @ 100% Load

89

kW @ 50 Hz

Synchronous Speed @ 50 Hz

3000

Nominal Speed @ 50 Hz

2905

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

58.2 A @ 190V, 29.1 A @ 380V

LRA (%) @ 50 Hz

Efficiency @ 100% Load 50 Hz

88.4

Power Factor @ 100% Load 50 Hz

88

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)

6309 2Z (DE), 6309 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)

306

Ship Weight (lbs)

361

Warranty Period

3-Years