Premium Efficient

20NCM-3-250-36

250HP, 2P, 3Ph, 230/460V 60Hz, 380V 50Hz , 447TSC, TEFC, F1, C-Face, Performance Series - Premium Efficient Motor

Elektrim Premium 20N Series TEFC IP55 3600RPM cast iron C-Face electric motor features a 1.2 service factor, 10:1CT & 20:1VT VFD rating, oversized ball bearings, VPI, thermistor and space heater. 230/460V DD/D wiring with nameplate M06400595.

PRODUCT GROUP

Premium Efficient

HP / OUTPUT

250

RPM

3600

PHASE

3

VOLTAGE

230/460V 60Hz, 380V 50Hz

FRAME

447TSC

FLANGE

C-Face

DEGREE OF PROTECTION

IP55

MOUNTING POSITION

F1

ENCLOSURE

TEFC

Part Number

20NCM-3-250-36

Product Family

Premium Efficient

Series

20N Series

Horsepower

250

Phase

3

Synchronous Speed

3600

Nominal Speed

3579

Frequency

60

Voltage

230/460V 60Hz, 380V 50Hz

Frame

447TSC

Frame Material

Cast Iron

Flange

C-Face

Flange Type

-

Feet

YES

Removable Feet

YES

Rotatable Feet

NO

Double Drilled Feet

NO

Winding Connection

Double Delta / Delta (2019 and newer models only)

Full Load Torque (lb-ft)

367

Lock Rotor Torque (%)

180

Break Down Torque (%)

270

Full Load Amps

522 A @ 230V, 261 A @ 460V, 209 A @ 575V

LRA (%)

728

Lock Rotor Amps

3800 A @ 230V, 1900 A @ 460V, 1520 A @ 575V

Efficiency @ 100% Load

96.2

Power Factor @ 100% Load

93

kW @ 50 Hz

Synchronous Speed @ 50 Hz

3000

Nominal Speed @ 50 Hz

2975

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

293 A @ 380V

LRA (%) @ 50 Hz

Efficiency @ 100% Load 50 Hz

95.8

Power Factor @ 100% Load 50 Hz

93

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)

6315 C3 (DE), 6315 C3 (ODE)

Impregnation Method

Vacuum Pressure Impregnation (VPI)

PTC Thermistors

Standard

Space Heater

Standard

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)

2271

Ship Weight (lbs)

2511

Warranty Period

3-Years