Close Coupled Pump Motors

20JM-3-20-18

20HP, 4P, 3Ph, 208-230/460V 60Hz, 190/380V 50Hz , 256JM, TEFC, F1, C-Face, Close Coupled Pump Motor

Elektrim Premium TEFC IP55 1800RPM cast iron foot mounted JM Close Coupled Pump motor features a high 1.2 service factor, oversized bearings and VPI and is ideal for horizontal and vertical fluid transfer applications.

PRODUCT GROUP

Close Coupled Pump Motors

HP / OUTPUT

20

RPM

1800

PHASE

3

VOLTAGE

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

FRAME

256JM

FLANGE

C-Face

DEGREE OF PROTECTION

IP55

MOUNTING POSITION

F1

ENCLOSURE

TEFC

Part Number

20JM-3-20-18

Product Family

Close Coupled Pump Motors

Series

20JM Series

Horsepower

20

Phase

3

Synchronous Speed

1800

Nominal Speed

1775

Frequency

60

Voltage

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

Frame

256JM

Frame Material

Cast Iron

Flange

C-Face

Flange Type

-

Feet

YES

Removable Feet

NO

Rotatable Feet

NO

Double Drilled Feet

NO

Winding Connection

Double Delta / Delta

Full Load Torque (lb-ft)

59.1

Lock Rotor Torque (%)

380

Break Down Torque (%)

450

Full Load Amps

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

LRA (%)

1004

Lock Rotor Amps

460 A @ 230V, 230 A @ 460V, 184 A @ 575V

Efficiency @ 100% Load

93

Power Factor @ 100% Load

88

kW @ 50 Hz

Synchronous Speed @ 50 Hz

1500

Nominal Speed @ 50 Hz

1465

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

55 A @ 190V, 27.5 A @ 380V

LRA (%) @ 50 Hz

Efficiency @ 100% Load 50 Hz

93

Power Factor @ 100% Load 50 Hz

90

Design Code

A

Duty Rating

Code Letter

A

Service Factor @ 60 Hz

1.2

Service Factor @ 50 Hz

1

Insulation Class

F

Inverter Rated

20:1 VT

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)

390

Ship Weight (lbs)

445

Warranty Period

3-Years