
1/3 HP General Purpose Electric Motor Features
- 115/208-230V
- Totally Enclosed Fan Cooled (TEFC)
- 1.15 Service Factor
- Class F Insulation
- Premium Efficiency Rated
- VPI Copper Winding
- Anti-rust film Applied to Rotor
- Improved Shaft Seal on Drive-End Protects Drive-End Bearing From Moisture and Contaminants
- Inverter Rated, 4:1 CT/ 10:1 VT
- Suitable for 50 HZ Operation With 1.0 Service Factor
1/3 HP General Purpose Electric Motor Specifications
- Horsepower: 1/3
- RPM/ Poles: 1800/4 (1500/4)
- Voltage/ Phase: 115/230V/ 1 (110/220V/ 1)
- Frame: 56C
- Enclosure/ Degree of Protection: TEFC/ IP43
- Frequency: 60HZ (50HZ)
- Fully Loaded Speed: 1725 RPM (1425 RPM)
- Service Factor: 1.15 (1.0 @ 50HZ)
- Insulation Class: F
- Full Load AMPS; 115/230 (110/220): 5.2/2.6A (5.4/2.7A)
- Efficiency/ Power Factor: 100% load = 63.0% efficiency = 0.58 power factor
- Duty Cycle: Continuous
- Maximum Ambient Temperature: 40° C
- Maximum Elevation: 3,300Ft above sea level
- Temperature Rise at Full Load: 80° C
- DE Bearing: 6203
- ODE Bearing: 6203
- Grease Type: Mobil Polyrex EM
- Mounting Type: F1
- Rotation Type: Bi-Directional
- Connection Diagram: 115/230V (110/220V) - 6 Lead
- Motor Weight: 22 LBS
Options and Accessories
Capacitor Run
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Capacitor Cover (Run) -- |
Centrifugal Switch![]() NCSWITCH56 |
Endbell (DE)![]() NDEEBELL56-1 |
Endbell (ODE)![]() NODEEBELL56 |
Fan![]() NFAN56 |
Fan Cover![]() NFCOVER56 |
Junction Box![]() NJBOX56 |
Stationary Switch![]() NSSWITCH56 |
NAT13-18-56CB Electric Motor Dimensions

Feature
- 208-230/460 Volt Totally Enclosed Fan Cooled (TEFC)
- 1.15 Service Factor Class F Insulation
- Premium Efficiency Rated
- VPI Copper Winding
- Anti-rust film Applied to Rotor
- Improved Shaft Seal on Drive-End Protects Drive-End Bearing From Moisture and Contaminants
- Inverter Rated, 4:1 CT/ 10:1 VT
- Suitable for 50 HZ Operation With 1.0 Service Factor

- Horsepower: 1/3
- RPM/ Poles: 1800/4 (1500/4)
- Voltage/ Phase: 115/230V/ 1 (110/220V/ 1)
- Frame: 56C
- Enclosure/ Degree of Protection: TEFC/ IP43
- Frequency: 60HZ (50HZ)
- Fully Loaded Speed: 1725 RPM (1425 RPM)
- Service Factor: 1.15 (1.0 @ 50HZ)
- Insulation Class: F
- Full Load Amos; 115/230 (110/220): 5.2/2.6A (5.4/2.7A)
- Efficiency/ Power Factor: 100% load = 63.0% efficiency = 0.58 power factor
- Duty Cycle: Continuous
- Maximum Ambient Temperature: 40° C
- Maximum Elevation: 3,300Ft above sea level
- Temperature Rise at Full Load: 80° C
- DE Bearing: 6203
- ODE Bearing: 6203
- Grease Type: Mobil Polyrex EM
- Mounting Type: F1
- Rotation Type: Bi-Directional
- Connection Diagram: 115/230V (110/220V) - 6 Lead
- Motor Weight: 22 LBS