Severe Duty

60NFS-3-20-36

20HP, 2P, 3Ph, 208-230/460V 60Hz, 190/380V 50Hz , 256T, TEFC, F1, Foot Mounted, Severe Duty Motor

SEVERE DUTY Elektrim Premium 230/460V 60N Series TEFC IP55 3600RPM cast iron foot mounted electric motor features up to 1.4 service factor, oversized ball bearings, VPI, and VFD 10:1CT & 20:1VT.

PRODUCT GROUP

Severe Duty

HP / OUTPUT

20

RPM

3600

PHASE

3

VOLTAGE

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

FRAME

256T

FLANGE

-

DEGREE OF PROTECTION

IP55

MOUNTING POSITION

F1

ENCLOSURE

TEFC

Part Number

60NFS-3-20-36

Product Family

Severe Duty

Series

60N Series

Horsepower

20

Phase

3

Synchronous Speed

3600

Nominal Speed

3540

Frequency

60

Voltage

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

Frame

256T

Frame Material

Cast Iron

Flange

-

Flange Type

-

Feet

YES

Removable Feet

NO

Rotatable Feet

NO

Double Drilled Feet

NO

Winding Connection

Double Delta / Delta

Full Load Torque (lb-ft)

29.7

Lock Rotor Torque (%)

230

Break Down Torque (%)

260

Full Load Amps

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

LRA (%)

603

Lock Rotor Amps

276 A @ 230V, 138 A @ 460V, 110 A @ 575V

Efficiency @ 100% Load

92

Power Factor @ 100% Load

89

kW @ 50 Hz

Synchronous Speed @ 50 Hz

3000

Nominal Speed @ 50 Hz

2905

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

58.2 A @ 190V, 29.1 A @ 380V

LRA (%) @ 50 Hz

Efficiency @ 100% Load 50 Hz

88.4

Power Factor @ 100% Load 50 Hz

88

Design Code

B

Duty Rating

Code Letter

B

Service Factor @ 60 Hz

1.3

Service Factor @ 50 Hz

1

Insulation Class

F

Inverter Rated

Bearings (DE / ODE)

6309 2Z (DE), 6309 2Z (ODE)

Impregnation Method

Vacuum Pressure Impregnation (VPI)

PTC Thermistors

Option

Space Heater

Option

Junction Box Material

Cast Iron

Fan Guard Material

Cast Iron

Shaft Seal

V-Ring

Mounting Position

F1

Degree of Protection

IP55

Enclosure

TEFC

Finish

RAL5010

Net Weight (lbs)

306

Ship Weight (lbs)

361

Warranty Period

3-Years