SJE-Rhombus SES Controls EZ Series

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EZ Series® Duplex

Single Phase Duplex Demand

EZ Series® control panels combine circuit board technology and easy operation for on-site installations.

The EZ Series® Duplex control panel is designed to control two alternating 120/208/240V single phase pumps in water and wastewater installations.  It features a digital display on the inside of the front cover for programming and system monitoring.

The optional mounting post features a removable access cover to allow for easier wiring. The post can be mounted in the ground, directly over a 4x4, or conduit.

Reg. Cdn. Pat. & TM Off


EZ Series® Duplex

Digital Display Features:

  • Float status
  • Elapsed time pump run
  • Cycle counter
  • Alarm counts (high water/power fail)
  • Float error count
  • Auxiliary alarm counter

Panel Features:

  • NEMA 4X enclosure with locking latch
  • Red LED alarm beacon on cover provides visual check of alarm condition
  • Exterior alarm test/silence switch allows horn and light to be tested and horn to be silenced in an alarm condition; alarm automatically resets once alarm condition is cleared
  • Circuit breakers provide pump power disconnect and branch circuit protection
  • Circuit breaker provides control/alarm power disconnect
  • Power relays control pump(s) by switch electrical lines
  • Float connection terminal block
  • Incoming control/alarm power and pump power terminal block
  • Control and alarm power indicators
  • LED display shows system information (pump elapsed time hh:mm, events/cycles)
  • Menu/Enter and Set/Change buttons for viewing and programming panel settings
  • Alarm horn provides audio warning of alarm condition


  • Duo alarms to meet local code requirements
  • Mounting post with removable access cover
  • For a complete listing of available options, please view the backside of the catalog page.

UL/cUL Listed

Five-Year Limited Warranty



EZ Series® Duplex


10 x 10 x 6 inches (25.4 x 25.4 x 15.24 cm)
NEMA 4X (ultraviolet stabilized thermoplastic with removable mounting feet for indoor/outdoor use)

83 - 85 decibel rating

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