Close Coupled Pump Motors

20JM-3-50-18/575

50HP, 4P, 3Ph, 575V 60Hz, 326JM, TEFC, F1, C-Face, Close Coupled Pump Motor

Elektrim Premium 575V Close-Coupled 20JM Series TEFC IP55 1800RPM cast iron C-Face electric motor features a 1.15 service factor, 20:1VT VFD rating, oversized ball bearings, VPI, and thermistor as standard.

PRODUCT GROUP

Close Coupled Pump Motors

HP / OUTPUT

50

RPM

1800

PHASE

3

VOLTAGE

575V 60Hz

FRAME

326JM

FLANGE

C-Face

DEGREE OF PROTECTION

IP55

MOUNTING POSITION

F1

ENCLOSURE

TEFC

Part Number

20JM-3-50-18/575

Product Family

Close Coupled Pump Motors

Series

20JM Series

Horsepower

50

Phase

3

Synchronous Speed

1800

Nominal Speed

1781

Frequency

60

Voltage

575V 60Hz

Frame

326JM

Frame Material

Cast Iron

Flange

C-Face

Flange Type

-

Feet

YES

Removable Feet

YES

Rotatable Feet

NO

Double Drilled Feet

YES

Winding Connection

S

Full Load Torque (lb-ft)

148

Lock Rotor Torque (%)

250

Break Down Torque (%)

270

Full Load Amps

45 A @ 575V

LRA (%)

646

Lock Rotor Amps

290 A @ 575V

Efficiency @ 100% Load

94.5

Power Factor @ 100% Load

88

kW @ 50 Hz

Synchronous Speed @ 50 Hz

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

Insulation Class

F

Inverter Rated

20:1 VT

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)

769

Ship Weight (lbs)

879

Warranty Period

3-Years