Pros, Join Our TradeMaster Program!
The Liberty Pump SXH21=3 is a 1 Phase, 15-20 Amp, Simplex Pump Control panel with 120/208/240V in a NEMA 1 Enclosure. This Liberty control panel was designed to provide a reliable means of controlling simplex pump systems in residential or commercial installations. The Liberty SXH21=3 is most commonly used in sump basins, lift stations and effluent or sewage pump chambers. The NEMA 1-high grade metal enclosure is made for indoor use. The Liberty SXH21=3 consists of a control panel and 3-pilot-duty float switches. The floats control the pump stop, start and high level alarm functions.

Liberty Simplex Pump Control Panels contains magnetic motor contactor to control the pump by switching hot electrical lines and a sized to application circuit breaker to provide overload protection. The Liberty SXH21=3 utilizes horn and red light indicator, designed to be activated when an alarm condition occurs. HOA (hand-off-automatic) Switch offers either hand, off or automatic operations. In the hand mode, the pump will not turn on unless other safety features are employed. In the automatic mode, the pump will turn on from commands by the float switches. The Liberty SXH21=3 Pump Control Panel features pump input power and pump connection terminal block, ground lug, and auxiliary contacts.

  • Across-the-line magnetic contactor
  • Test/Auto switch
  • Terminal block for easy wiring
  • Circuit breaker
  • Green pump run indicator light (internal)
  • Red alarm indicator light/audible alarm
  • Auxilary Contacts
  • Alarm silence and test switches
  • Tri 120/208/240V operation on single phase
  • UL/C-UL listed
  • Hide Description






    Enclosure Type:


    Height (Inches):


    Width (Inches):


    Length (Inches):




    Product Type:

    Simplex Pump Control



    2 Videos

      Product Review

      Product Q&A

      Add-on Item

      This item is cost-prohibitive to ship on its own but is available to ship with orders over $200.

      Why don't we show the price of this item?

      We try to always offer you the lowest prices possible, but some manufacturers require that we only show these low prices once you take further action.

      To see the price, simply add the item to your cart or sign in.