RK Series™ Single Phase Simplex 4-20mA Capacitor Start/Run

Single Phase, Simplex 4-20mA Continuous Level Control with External Start/Run Capacitors

The RK Series™ Single Phase Simplex 4-20mA continuous level sensing panel is designed to control one 230 VAC single phase pump with external starting components in water and sewage installations. The protective inner door features panel operating status indicators, LCD display, control buttons and provides access to the pump and control circuit breakers. Panel is designed for 4-20mA input and 2-float backup control.


  • 4-20mA input for continuous level sensing
  • High level backup float input with LED status indicator
  • High level backup float mode provides pump timer control activation
  • Low level redundant off float input with LED status indicator
  • Digital backlit LCD for easy setup and system monitoring
  • Timed dose or demand dose field programmable
  • Flashing red 360° alarm beacon with horn, includes innovative touch to silence pad, touch to test
  • Pump push to run with low level protection when activated manually
  • Includes easy access touch safe fuses


VOLTAGE SUPPLY: Pump: 230 VAC 50/60 Hz 1Ø

  • Control/Alarm: 115 VAC 60 Hz 1Ø

ENCLOSURE: 12 x 10 x 6 inch (30.5 x 25.4 x 15.2 cm)

NEMA 4X ultraviolet stabilized thermoplastic rated for indoor/outdoor use with integral mounting flange, padlockable cover with (2) heavy duty thermoplastic latches, and stainless steel 1/4 turn set screw

INNER DOOR: molded thermoplastic


MOTOR STARTER: IEC motor overload and IEC motor contactor

PUMP AMPS: 0-12 Amps, 12-18 Amps, 18-24 Amps

LCD DISPLAY: 2-16 character lines, backlight

ALARM HORN: 83-85 decibel rating


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