Liberty LE52M, Manual Submersible Sewage Pump , 1/2 HP, 208-230 Volts, 1 Phase, 2" FNPT Discharge, 158 GPM Max, 24 ft Max Head, 10 ft Cord
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FEATURES
Liberty Pumps LE52M is a 230v, 1/2 HP Manual Submersible Sewage/Effluent Pump with 10 ft quick-disconnect power cord. These pumps are intended for usage with approved liquid level control or approved motor control with correct rating that matches motor input in full load amperes. For automatic operation a separate approved pump control device or panel is required.
CAUTION: Do not let the pump run dry.
Features:
- Heavy cast iron construction
- Oil filled, thermally protected motor
- Permanently lubricated bearings
- 2-vane, corrosion resistant HYTREL impeller
- All stainless steel fasteners and rotor shaft
- Quick-disconnect 10' standard power cord allows replacement of cord in seconds without breaking seals to motor
Control Panel Options
Below are Liberty control panels that can be used with this pump.
Engineering Specs LE50 Series.pdf Installation Manuals LE50 Series.pdf Liberty Pumps 3 Year Warranty.pdf Pump Curve Reference Sheet LE50 Series.pdf Sales Literature LE50 Series.pdf Liberty_Sewage Pumps_LE50 Series_Repair Parts.pdf Liberty_Sewage Pumps_LE50 Series_Repair Parts.pdf Liberty_Sewage Pumps_LE50 Series_Repair Parts.pdf| Brand | Liberty |
| Mfg. Number | LE52M |
| Series | LE50 |
| Product Type | Sewage pump |
| Application | Sewage |
| Operation | Manual |
| Horsepower | 1/2 HP |
| Voltage | 208-230 Volts |
| Volute Material | Gray iron |
| Phase | 1 |
| Frequency | 60 Hz |
| Speed | 1725 RPM |
| Impeller Type | 2 vane, semi-open |
| Maximum Solids Handling | 2" |
| Discharge Connection | 2" FNPT |
| Maximum Flow | 158 GPM |
| Maximum Head | 24 ft |
| Cord Length | 10 ft |
| Maximum Fluid Temperature | 140°F |
Liberty's LE family of pumps are submersible sewage pumps designed for home or residential applications. All LE pumps handle waste solids up to 2" in diameter. The family includes four series: the LE40, LE50, LE70 and LE100. The number designations are meant to denote the horsepower difference between each series - so the LE50 will operate at 1/2 HP, the LE70 will operate at 3/4 HP and so on. Each pump in the four series is close coupled, built with a corrosion resistant, cast iron body that houses an oil-filled, hermetically sealed motor. The voltage ranges and phases of power will vary by series and model. For more information on the Liberty LE family of sewage pumps, visit pumpproducts.com or call us with any questions at 1-800-429-0800.
LE40-Series Model Comparison Chart
| Model Number | Discharge | Horsepower | Voltage | Phase | Max. GPM | Max. Head | FLA | Operation | Cord | Warranty |
| LE41A | 2" NPT | 4/10 HP | 115 V | 1 | 144 GPM | 20 ft. TDH | 12 amps | Automatic | 10 ft. | 3 Years |
| LE41A-2 | 2" NPT | 4/10 HP | 115 V | 1 | 144 GPM | 20 ft. TDH | 12 amps | Automatic | 25 ft. | 3 Years |
| LE41M | 2" NPT | 4/10 HP | 115 V | 1 | 144 GPM | 20 ft. TDH | 12 amps | Manual | 10 ft. | 3 Years |
| LE41M-2 | 2" NPT | 4/10 HP | 115 V | 1 | 144 GPM | 20 ft. TDH | 12 amps | Manual | 25 ft. | 3 Years |
| PERFORMANCE CURVES |
LE40-Series Sewage Pump Curve
LE50-Series Model Comparison Chart
| Model Number | Discharge | Horsepower | Voltage | Phase | Max. GPM | Max. Head | Operation | Cord | Warranty |
| LE51A | 2" NPT | 1/2 HP | 115 V | 1 | 112 GPM | 25 ft. TDH | Automatic | 10 ft. | 3 Years |
| LE51A-2 | 2" NPT | 1/2 HP | 115 V | 1 | 112 GPM | 25 ft. TDH | Automatic | 25 ft. | 3 Years |
| LE51M | 2" NPT | 1/2 HP | 115 V | 1 | 112 GPM | 25 ft. TDH | Manual | 10 ft. | 3 Years |
| LE51M-2 | 2" NPT | 1/2 HP | 115 V | 1 | 112 GPM | 25 ft. TDH | Manual | 25 ft. | 3 Years |
| LE52A | 2" NPT | 1/2 HP | 208-230 V | 1 | 112 GPM | 25 ft. TDH | Automatic | 10 ft. | 3 Years |
| LE52A-2 | 2" NPT | 1/2 HP | 208-230 V | 1 | 112 GPM | 25 ft. TDH | Automatic | 25 ft. | 3 Years |
| LE52M | 2" NPT | 1/2 HP | 208-230 V | 1 | 112 GPM | 25 ft. TDH | Manual | 10 ft. | 3 Years |
| LE52M-2 | 2" NPT | 1/2 HP | 208-230 V | 1 | 112 GPM | 25 ft. TDH | Manual | 25 ft. | 3 Years |
| PERFORMANCE CURVES |
LE50-Series Sewage Pump Curve
LE70-Series Model Comparison Chart
| Model Number | Discharge | Horsepower | Voltage | Phase | Max. GPM | Max. Head | Operation | Cord | Warranty |
| LE71A2 | 2" NPT | 3/4 HP | 115 V | 1 | 157 gpm | 25 ft. TDH | Automatic | 10 ft. | 3 Years |
| LE71A2-2 | 2" NPT | 3/4 HP | 115 V | 1 | 157 gpm | 27 ft. TDH | Automatic | 25 ft. | 3 Years |
| LE71M2 | 2" NPT | 3/4 HP | 115 V | 1 | 157 gpm | 27 ft. TDH | Manual | 10 ft. | 3 Years |
| LE71M2-2 | 2" NPT | 3/4 HP | 115 V | 1 | 157 gpm | 27 ft. TDH | Manual | 25 ft. | 3 Years |
| LE71A3 | 3" NPT | 3/4 HP | 115 V | 1 | 157 gpm | 27 ft. TDH | Automatic | 10 ft. | 3 Years |
| LE71A3-2 | 3" NPT | 3/4 HP | 115 V | 1 | 157 gpm | 27 ft. TDH | Automatic | 25 ft. | 3 Years |
| LE71M3 | 3" NPT | 3/4 HP | 115 V | 1 | 157 gpm | 27 ft. TDH | Manual | 27 ft. | 3 Years |
| LE71M3-2 | 3" NPT | 3/4 HP | 115 V | 1 | 157 gpm | 27 ft. TDH | Manual | 25 ft. | 3 Years |
| LE72A2 | 2" NPT | 3/4 HP | 208-230 V | 1 | 157 gpm | 27 ft. TDH | Automatic | 10 ft. | 3 Years |
| LE72A2-2 | 2" NPT | 3/4 HP | 208-230 V | 1 | 157 gpm | 27 ft. TDH | Automatic | 25 ft. | 3 Years |
| LE72M2 | 2" NPT | 3/4 HP | 208-230 V | 1 | 157 gpm | 27 ft. TDH | Manual | 10 ft. | 3 Years |
| LE72M2-2 | 2" NPT | 3/4 HP | 208-230 V | 1 | 157 gpm | 27 ft. TDH | Manual | 25 ft. | 3 Years |
| LE72A3 | 3" NPT | 3/4 HP | 208-230 V | 1 | 157 gpm | 27 ft. TDH | Manual | 10 ft. | 3 Years |
| LE72A3-2 | 3" NPT | 3/4 HP | 208-230 V | 1 | 157 gpm | 27 ft. TDH | Automatic | 25 ft. | 3 Years |
| LE72M3 | 3" NPT | 3/4 HP | 208-230 V | 1 | 157 gpm | 27 ft. TDH | Automatic | 10 ft. | 3 Years |
| LE72M3-2 | 3" NPT | 3/4 HP | 208-230 V | 1 | 157 gpm | 27 ft. TDH | Manual | 25 ft. | 3 Years |
| LE73M2-2 | 2" NPT | 3/4 HP | 208-230 V | 3 | 157 gpm | 27 ft. TDH | Manual | 25 ft. | 3 Years |
| LE74M2-2 | 2" NPT | 3/4 HP | 208-230 V | 3 | 157 gpm | 27 ft. TDH | Manual | 25 ft. | 3 Years |
| LE74M3-2 | 3" NPT | 3/4 HP | 208-230 V | 3 | 157 gpm | 27 ft. TDH | Manual | 25 ft. | 3 Years |
| PERFORMANCE CURVES |
LE70-Series Sewage Pump Curve
LE100-Series Model Comparison Chart
| Model Number | Discharge | Horsepower | Voltage | Phase | Max. GPM | Max. Head | Operation | Cord | Overload Protection | Warranty |
| LE102A2 | 2" Flanged | 1 HP | 115 V | 1 | 190 GPM | 39 ft. TDH | Automatic | 10 ft. | Yes | 3 Years |
| LE102A2-2 | 2" Flanged | 1 HP | 115 V | 1 | 190 GPM | 39 ft. TDH | Automatic | 25 ft. | Yes | 3 Years |
| LE102M2 | 2" Flanged | 1 HP | 115 V | 1 | 190 GPM | 39 ft. TDH | Manual | 10 ft. | Yes | 3 Years |
| LE102M2-2 | 2" Flanged | 1 HP | 115 V | 1 | 190 GPM | 39 ft. TDH | Manual | 25 ft. | Yes | 3 Years |
| LE102A3-2 | 3" Flanged | 1 HP | 115 V | 1 | 190 GPM | 39 ft. TDH | Automatic | 10 ft. | Yes | 3 Years |
| LE102M3 | 3" Flanged | 1 HP | 115 V | 1 | 190 GPM | 39 ft. TDH | Automatic | 25 ft. | Yes | 3 Years |
| LE102M3-2 | 3" Flanged | 1 HP | 208-230 V | 1 | 190 GPM | 39 ft. TDH | Manual | 27 ft. | Control Panel Required | 3 Years |
| LE103M2-2 | 2" Flanged | 1 HP | 440-480 V | 3 | 190 GPM | 39 ft. TDH | Manual | 25 ft. | Control Panel Required | 3 Years |
| LE103M3-2 | 3" Flanged | 1 HP | 440-480 V | 3 | 190 GPM | 39 ft. TDH | Automatic | 10 ft. | Control Panel Required | 3 Years |
| LE104M2-2 | 2" Flanged | 1 HP | 440-480 V | 3 | 190 GPM | 39 ft. TDH | Automatic | 25 ft. | Control Panel Required | 3 Years |
| LE104M3-2 | 3" Flanged | 1 HP | 440-480 V | 3 | 190 GPM | 39 ft. TDH | Manual | 10 ft. | Control Panel Required | 3 Years |
| PERFORMANCE CURVES |
LE100-Series Sewage Pump Curve
| TECHNICAL BROCHURES |
| LE40-series Technical Brochure |
| LE50-series Technical Brochure |
| LE70-series Technical Brochure |
| LE100-series Technical Brochure |
| INSTALLATION/OPERATION MANUALS |
| LE40-series Installation Manual |
| LE50-series Installation Manual |
| LE70-series Installation Manual |
| LE100-series Installation Manual |
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| PARTS LISTS |
| No Repair Parts Sheet Available |
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