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Outdoor Duplex Sewage/Grinder Pump System Control w/ 20ft cord, 115/208/230V, up to 2HP (15-20A) Liberty Pumps
Outdoor Duplex Sewage/Grinder Pump System Control w/ 20ft cord, 115/208/230V, up to 2HP (15-20A)
Brand: Liberty Pumps
Part#: AE24H=3
Usually ships: within 5-7 business days
AE series controls are Lead/Lag style duplex controls with advanced programming options for duplex (2-pump) sewage and grinder pump systems.
Unlike standard duplex panels, which only alternate pump operation, Lead/Lag control allows for simultaneous use of both pumps if the wastewater level gets high enough and 1 pump is not sufficient to remove the extra water volume.
This particular model comes with (3) float switches - Off (turns one or both pumps off), Lead-On (turns on the Lead pump) and Lag+Alarm (engages the Lag pump and activates the alarm). These floats must be mounted on one of the pump's discharge pipes or onto a separate float tree (if available) inside the basin and wired to the corresponding terminals inside the control panel. "Test" button (next to each float terminal) in the panel can be used to customize operation and change which float positions trigger alarm & beacon.
The panel has a Lead/Lag/Alternating selector switch which can either assign one pump as a primary (Lead) and the other as a secondary (Lag/backup), or can alternate between them (best option if both pumps are the same). It also has a separate Hand/Auto/Off switch for each pump for either manual operation (usually, for testing), automatic mode (normal operation) or off mode (for maintenance, repair, replacement, etc.).
An external Test/Normal/Silence switch can be used to test the horn & beacon or to silence the alarm if needed.
AE24H=3 is NEMA 4X rated for outdoor or indoor installation and is suitable for pumps from 1 HP to 2 HP (15A - 20A) each.

  • Universally compatible with all 115/208/230V duplex (2-pump) sewage/effluent/grinder systems with individual pump rating 15-20A max (up to 2 HP)
  • (3) floats model with basic factory float switch settings (Off, Lead-On, Lag-On + Alarm)
  • Programmable floats allow to change alarm (horn and/or beacon) trigger conditions
  • Lead/Lag selector switch allows to choose 1-Lead/2-Lag, Alternating or 2-lead/1-Lag pump operation
  • Main On/Off panel switch, individual Manual/Off/Auto switches for ea. pump, Lead/Lag selector, LED diagnostic lights for pump and float switches, alarm Test/Normal/Silence switch
  • Built-in circuit breakers, magnetic pump switch contactors, aux. alarm contacts
  • Float switches and clamps for discharge pipe mounting included
  • NEMA 4X rated for outdoor or indoor use

Technical Specifications:
  • Control Type: duplex, lead/lag pump operation (Lead - main pump; Lag - backup pump)
  • Electrical Specs: 115/208/230V, 1-Phase, 15-20 Amps Max. Full Load (per pump)
  • Float Specs: (3) floats (Off, Lead and Lag + Alarm) w/ 18-gauge 20ft cord, 5A
  • Alarm: 83-85 dB horn & 360° LED beacon
  • Enclosure: NEMA 4X (outdoor use), 12" x 10" x 6", UV-stabilized thermoplastic

3-year warranty
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