Brake Motors

20NCB-3-25-36

25HP, 2P, 3Ph, 208-230/460V 60Hz, 190/380V 50Hz , 284TSC, TEFC, F1, C-Face, Brake Motor

Elektrim Premium TEFC IP55 3600RPM cast iron C-Face electric motor features a high lock rotor and brake torque with a DC HPSY brake with 460V AC rectifier for applications requiring a quick stop.

PRODUCT GROUP

Brake Motors

HP / OUTPUT

25

RPM

3600

PHASE

3

VOLTAGE

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

FRAME

284TSC

FLANGE

C-Face

DEGREE OF PROTECTION

IP55

MOUNTING POSITION

F1

ENCLOSURE

TEFC

Part Number

20NCB-3-25-36

Product Family

Brake Motors

Series

20N Series

Horsepower

25

Phase

3

Synchronous Speed

3600

Nominal Speed

3555

Frequency

60

Voltage

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

Frame

284TSC

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 / Delta

Full Load Torque (lb-ft)

36.9

Lock Rotor Torque (%)

260

Break Down Torque (%)

300

Full Load Amps

65.2 A @ 208V, 59 A @ 230V, 29.5 A @ 460V, 23.6 A @ 575V

LRA (%)

695

Lock Rotor Amps

410 A @ 230V, 205 A @ 460V, 164 A @ 575V

Efficiency @ 100% Load

92.4

Power Factor @ 100% Load

86

kW @ 50 Hz

Synchronous Speed @ 50 Hz

3000

Nominal Speed @ 50 Hz

2930

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

72 A @ 190V, 36 A @ 380V

LRA (%) @ 50 Hz

Efficiency @ 100% Load 50 Hz

90.4

Power Factor @ 100% Load 50 Hz

87

Design Code

A

Duty Rating

Code Letter

A

Service Factor @ 60 Hz

1.2

Service Factor @ 50 Hz

1

Insulation Class

F

Inverter Rated

Bearings (DE / ODE)

6311 2Z (DE), 6311 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)

348

Ship Weight (lbs)

403

Warranty Period

3-Years