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Brook Crompton EF4N.50-1C

Brook Crompton · NEMA Farm Duty & Auger Duty Motors
1/2 HP 1725 RPM 115/208-230 V 56C TEFC Farm Duty
Catalog Number: EF4N.50-1C
Model Number: EF4N.50-1C
HP
1/2
RPM
1800
Voltage
115V,208-230V
Frame
56C
Phase
1
Enclosure
TEFC
Material
Rolled Steel
Mounting
C-Face / Rigid

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Electrical Data
Rated Motor Output Power
1/2 HP
.375 kW
Rated Motor Speed
1725 RPM
Rated Motor Voltage
115V,208-230V
Rated Motor Current
9.0/4.5 AMP
Phase
1
Poles
4
Locked Rotor Current
-
Fl Current @ 208V
-
Service Factor
1.15
KVA Code
N
Nominal Efficiency
59
Nominal Power Factor
61
Leads (Qty, Size)
-
Frequency
60 Hz
Connection
-
Start Capacitor
-
Run Capacitor
-
MFD
-
VFD (S.F. 1.0)
Ratio
Hz
Variable Torque
-
-
Constant Torque
-
-
General Data
Frame
56C
Enclosure
TEFC
Mounting
C-Face / Rigid
Number of Speeds
-
Approximate Weight
32lb
Double Drilled
No
Frame Material
Rolled Steel
C-Dimension
11.8"
NEMA Design
-
Degree of Protection (IP)
-
Insulation Class
F
Rotation
Reversible
Duty
Continuous
Conduit Box Location
F1
Removable Feet
No
Orientation
Horizontal
Ambient Temp
40 °C
Full Load Temperature Rise
Full Load Temp Rise
-
Temp Code
-
Mechanical Data
DE Bearing
6203
NDE Bearing
6203
Shaft Diameter
0.625"
Shaft Length
1.875"
Grease Type
-
Greaseable
No
Hazardous Locations
CSA Certified
-
Temp Code (Sine Wave Power)
-
Temp Code (VFD Power)
-
Additional Information
Agency Approvals
CSA & UL
Country of Origin
CHINA
Warranty
1-Year
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About Brook Crompton

With a major U.S. distribution center in Cleveland, Ohio, Brook Crompton supplies motors that meet global standards and certifications for safety, efficiency, and performance. Many Brook Crompton models are dual-rated for 50Hz and 60Hz operation, making them a strong choice for U.S. OEMs building equipment for both domestic and international markets. Several motor series also feature removable feet, allowing quick conversion to F1, F2, or F3 mounting positions, which is a level of flexibility not commonly found across all motor manufacturers.

Thanks to their broad product range, Brook Crompton motors are used across key American industries such as manufacturing, wastewater treatment, HVAC, and general industrial processing. The company produces motor lines that meet both IEC and NEMA requirements, supporting compatibility in a wide range of U.S. and global applications.

Brook Crompton has long been recognized for its engineering expertise and consistent production of high-quality electric motors. Its ability to evolve with industry demands has helped the brand remain a trusted name in an ever-changing industrial marketplace.

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