Barnes 096756, Model SE521AU, SE Series, Sewage Pump with Wide Angle Mechanical Switch, 1/2 HP, 230 Volts, 1 Phase, 2" NPT Vertical Discharge, 142 GPM Max, 25 ft Max Head, 15 ft Cord, Automatic, Single Seal

SKU #: 096756
Brand: Barnes
Available For Order! (Usually Ships 5-7 Days)This product is direct shipped from the manufacturer to our distribution center where it is checked, packaged and processed by our quality control team. The shipping time shown is the estimated number of business days the product will ship out from our wa
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Barnes SE Submersible Sewage Pump

This sewage pump combines high quality, high performance and low cost in a rugged, heavy duty design. Capable of handling up to 2 inch spherical solids, the pump utilizes a cast iron impeller and a combination of cast iron and stainless steel components to stand up to the toughest residential sewage ejector applications.


  • Maximum flow rate to 142 GPM at 4 feet of head
  • Maximum shutoff  head of 25 feet
  • Impeller provides 2" solids handling capability
  • Permanent split capacitor motor for reliable, high performance, longer motor life, greater starting torque, and lower amp draw
  • 1/2 HP, 1750 RPM single phase motor includes overload protection
  • Heavy duty upper and lower ball bearings are oil lubricated for superior cooling and maximum life
  • Standard 15 feet cord length
  • Automatic, includes a wide angle, polypropylene, mechanical level control. Normally Open integral to pump. ON and OFF points are adjustable


  • Typical raw sewage
Mfg. Number096756
Product TypeSewage pump
ApplicationRaw sewage
Horsepower 1/2 HP
Voltage 230 Volts
Float SwitchWide angle mechanica/Polypropylene/Integral
Frequency60 Hz
Speed 1750 RPM
Max. Solid Size2"
Seal TypeSingle
Pump Housing MaterialCast iron
Impeller MaterialCast iron
Impeller Type2 vane; open
PaintAir dry enamel
Power Cord Length15 ft
Thermal ProtectionYes
Discharge Connection2" NPT female, vertical
Maximum Flow142 GPM
Motor Casing MaterialCast iron
Maximum Head25 ft
Motor Shaft Material416 stainless steel
Shaft SealCarbon/Ceramic/Buna-N
Motor DesignNEMA L
Motor TypePermanent split capacitor
Motor InsulationClass B
Full Load Current 6.2 Amps
Locked Rotor Current 13.0 Amps
Max. Temperature104°F
Power Cord Size14/3
Cord TypeSJTOW

The Barnes SE sewage pump series are submersible, non-clog sewage pumps designed for typical raw sewage applications. These pumps have a single seal and can handle spherical solids up to 2 inch in diameter. The SE series has a torque curved, oil filled, squirrel cage induction motor. Barnes solids handling pumps are constructed of durable cast iron with oil-filled motors to provide a pump tough enough to meet almost any application need. Features

  • Solids Handling Capacity: 2-3 inches, depending on model
  • Cast iron construction
  • Epoxy sealed cord housing with strain relief grommet
  • 125 lb. flange design
  • 50,000 hour bearing life
  • Stainless Steel lifting bail and hardware (4SE)

Barnes SE Series Sewage Pumps

Model Comparison Chart

Model Discharge (NPT) HP Voltage Phase GPM Max. Head
SE411 2" 4/10 115 1 120 25'
SE411A 2" 4/10 115 1 120 25'
SE421 2" 4/10 230 1 120 25'
SE411VF 2" 4/10 115 1 120 25'
SE511 2" 1/2 115 1 142 25'
SE511A 2" 1/2 115 1 142 25'
SE521 2" 1/2 230 1 142 25'
SE511AU 2" 1/2 115 1 142 25'
SE511VF 2" 1/2 115 1 142 25'
SE521AU 2" 1/2 230 1 142 25'





Barnes SE Series Sewage Pump Specifications
Barnes SE Series Sewage Pump Installation Manual

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*Note: Picture is illustrative and may not reflect the actual product.*