Premium Efficient

20NFM-3-50-36

50HP, 2P, 3Ph, 208-230/460V 60Hz, 190/380V 50Hz , 326TS, TEFC, F1, Foot Mounted, Performance Series - Premium Efficient Motor

Elektrim Premium 20N Series TEFC IP55 3600RPM cast iron foot mounted electric motor features a 1.2 service factor, 10:1CT & 20:1VT VFD rating, oversized ball bearings, VPI for best electrical performance, and thermistor as standard.

PRODUCT GROUP

Premium Efficient

HP / OUTPUT

50

RPM

3600

PHASE

3

VOLTAGE

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

FRAME

326TS

FLANGE

-

DEGREE OF PROTECTION

IP55

MOUNTING POSITION

F1

ENCLOSURE

TEFC

Part Number

20NFM-3-50-36

Product Family

Premium Efficient

Series

20N Series

Horsepower

50

Phase

3

Synchronous Speed

3600

Nominal Speed

3552

Frequency

60

Voltage

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

Frame

326TS

Frame Material

Cast Iron

Flange

-

Flange Type

-

Feet

YES

Removable Feet

YES

Rotatable Feet

NO

Double Drilled Feet

YES

Winding Connection

Double Delta / Delta

Full Load Torque (lb-ft)

74

Lock Rotor Torque (%)

145

Break Down Torque (%)

200

Full Load Amps

121.6 A @ 208V, 110 A @ 230V, 55 A @ 460V, 44 A @ 575V

LRA (%)

658

Lock Rotor Amps

724 A @ 230V, 362 A @ 460V, 290 A @ 575V

Efficiency @ 100% Load

93

Power Factor @ 100% Load

92

kW @ 50 Hz

Synchronous Speed @ 50 Hz

3000

Nominal Speed @ 50 Hz

2942

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

128 A @ 190V, 64 A @ 380V

LRA (%) @ 50 Hz

Efficiency @ 100% Load 50 Hz

92.4

Power Factor @ 100% Load 50 Hz

92

Design Code

B

Duty Rating

Code Letter

B

Service Factor @ 60 Hz

1.2

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)

655

Ship Weight (lbs)

765

Warranty Period

3-Years