Premium Efficient

31NCM-3-250-12

250HP, 6P, 3Ph, 460V 60Hz, 380V 50Hz , 447/9TC, TEFC, F1, C-Face, Premium Efficient Motor

Elektrim Premium Efficient 31N Series TEFC 1200RPM cast iron C-Face electric motor is CSA certified for Class I Division II Group ABCD T3C, VFD 10:1CT & 100:1VT, UL Recognized.

PRODUCT GROUP

Premium Efficient

HP / OUTPUT

250

RPM

1200

PHASE

3

VOLTAGE

460V 60Hz, 380V 50Hz

FRAME

447/9TC

FLANGE

C-Face

DEGREE OF PROTECTION

IP55

MOUNTING POSITION

F1

ENCLOSURE

TEFC

Part Number

31NCM-3-250-12

Product Family

Premium Efficient

Series

31N Series

Horsepower

250

Phase

3

Synchronous Speed

1200

Nominal Speed

1185

Frequency

60

Voltage

460V 60Hz, 380V 50Hz

Frame

447/9TC

Frame Material

Cast Iron

Flange

C-Face

Flange Type

-

Feet

YES

Removable Feet

NO

Rotatable Feet

NO

Double Drilled Feet

YES

Winding Connection

Double Delta

Full Load Torque (lb-ft)

1109

Lock Rotor Torque (%)

160

Break Down Torque (%)

200

Full Load Amps

147 A @ 460V

LRA (%)

Lock Rotor Amps

Efficiency @ 100% Load

95.8

Power Factor @ 100% Load

83.5

kW @ 50 Hz

Synchronous Speed @ 50 Hz

1000

Nominal Speed @ 50 Hz

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

LRA (%) @ 50 Hz

Efficiency @ 100% Load 50 Hz

Power Factor @ 100% Load 50 Hz

Design Code

B

Duty Rating

Code Letter

B

Service Factor @ 60 Hz

1.15

Service Factor @ 50 Hz

1

Insulation Class

F

Inverter Rated

Bearings (DE / ODE)

6320Z/C3 (DE), 6316Z/C3 (ODE)

Impregnation Method

Dip and Bake

PTC Thermistors

Space Heater

Junction Box Material

Cast Iron

Fan Guard Material

Steel

Shaft Seal

Mounting Position

F1

Degree of Protection

IP55

Enclosure

TEFC

Finish

Blue

Net Weight (lbs)

2607

Ship Weight (lbs)

Warranty Period