S Series Simplex Control Panels

S Series simplex panels are electro-mechanical panels used to control single pumps and alarm functions in onsite septic systems and Effluent Sewers (aka STEP sewers or Septic Tank Effluent Pumping Systems). They are also used to provide pump control with alarm functions into gravity sewer systems. S Series panels include a motor contactor, which increases system life by reducing the load requirements on the float switches. Options such as analog timers and event counters are available.

Pump motors used with these panels require internal overload protection.

  • 120-VAC controls circuit breaker
  • 120- or 120/240-VAC pump circuit breaker
  • Motor-start contactor for pump circuit
  • Automatic/Off/Manual (Auto/Off/Man) toggle switch
  • 7/8-in (22-mm) red visible alarm
  • 95 dB audible alarm
  • Automatic alarm silence reset
  • Type 4X (IP 66) rated enclosure


Popular S Series Models Include ...

  • S1 (demand-dose simplex panel)
  • S1PT (timed-dose simplex panel)
  • S1R0 ETMCT (demand-dose simplex panel, elapsed time meter, event counter)

Technical Data Sheet

Product Sheet


S1RO ETMCT control panel