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Rhombus

Since 1975, SJE (S.J. Electro Systems, Inc.) has built a reputation as a world leader, providing trouble-free liquid level controls for water, wastewater, sump, and sewage systems. With the creation of the Rhombus® Technology division in 1991, SJE-Rhombus now represents the most reliable integration of liquid level controls and motor control panels in the industry. Sewage grinder pumps.

  • 123 Single Phase Duplex Sewage Grinder Control Panel

    The SJE Rhombus Model 123 control panel is designed to control two 120, 208, or 240 VAC single phase pumps in water and sewage applications. The alternating action equalizes the pump wear. In addition to the alternating pump control, these systems provide override control should either pump fail. If an alarm condition occurs, an alarm switch activates the audio/visual alarm system. Common applications include pump chambers and lift stations. UL/cUL Listed. 16" X 14" X 6" enclosure 120V control...

  • 114 Single Phase Simplex Intrinsically Safe Circuits Pump Control

    The SJE Rhombus Model 114 control panel is designed for applications requiring instrinsically safe float circuits or other circuit extensions. Ths panel controls one 120, 208, or 240 VAC single phase pump. Two control switches activate a magnetic motor contactor to turn the pump on and off. If an alarm condition occurs, an additional alarm switch activates the audio/visual alarm system. Common applications include pump chambers, lift stations, or other installations classified as hazardous locations...

  • 124 Single Phase Duplex Intrinsically Safe Circuits Pump Control

    The SJE Rhombus Model 124 control panel is designed for applications requiring intrinsically safe float circuits or other circuit extensions. This panel alternately controls two single phase pumps. The alternating action equalizes pump wear. In addition to the alternating pump control, the system provides override control should either pump fail. If an alarm condition occurs, an alarm switch activates the audio/visual alarm system. Common applications include pump chambers, lift stations, or...

  • 314 Three Phase Simplex Intrinsically Safe Circuits Pump Control

    The SJE Rhombus Model 314 control panel is designed for applications requiring intrinsically safe float circuits or other circuit extensions. This panel controls one 208/240/480 VAC three phase pump. Two control switches activate a magnetic motor contactor to turn the pump on and off. If an alarm condition occurs, an additional alarm switch activates the audio/visual alarm system. Common applications include pump chambers, lift stations, or other installations classified as hazardous locations...

  • 324 Three Phase Duplex Intrinsically Safe Circuits Pump Control

    The SJE Rhombus Model 324 control panel is designed for applications requiring instrinsically safe float circuits or other circuit extensions. This panel alternately controls two 208/204/408 VAC three phase pumps. The alternating action equalizes pump wear. In addition to the alternating pump control, this system provides override control should either pump fail. If an alarm condition occurs, an alarm switch activates the audio/visual alarm system. Common applications include pump chambers, lift stations,...

  • Level Control Accessories

    Cord seals, Float Brackets, Junction boxes and more.

  • 112 Simplex Pump Systems Control Panel Single Phase

    The SJE Rhombus Model 112 control panel provides a reliable means of controlling one 120, 208, or 240 VAC single phase pump in pump chambers, sump pump basins, irrigations systems, and lift stations. Two control switches activate a magnetic motor contactor to run the pump on and off. If an alarm condition occurs, an additional alarm switch activates the audio/visual alarm systems. UL/cUL Listed. 8" X 8" X 4" enclosure (dependent on options selected) (NEMA 1 steel for indoor use, NEMA 4X ultraviolet...

  • TD Single Phase Simplex Timed Dosing Pump Control

    The SJE Rhombus Model TD control panel provides a reliable means of controlling one singe phase pump in on-site septic installations. A low level cutout float overrides the timer to prevent the pump from running dry. An alarm float activates the audio/visual alarm system indicating a high liquid level. Common applications include sand filter systems, pressure distribution systems, mound systems, or any application requiring timed dose control. UL/cUL Listed. 10" X 8" X 4" enclosure (NEMA 4X) Alarm...

  • DTD Single Phase Duplex Timed Dosing Pump Control

    Model SJE Rhombus DTD time dosing panel provides a reliable means of controlling two single phase 120, 208, or 240 VAC pumps in on-site septic installations. A programmable timer, in conjunction with an alternating circuit board, alternately activates the magnetic motor contactors to turn the pumps on and off and equalize pump wear. A low level cutout float overrides the timer to prevent the pump from running dry. An alarm float activates the audio/visual system indicating a high liquid level....

  • PS Single Phase Duplex Programmable Timed Dosing Control Panel

    The SJE Rhombus Model PS control panel provides a reliable means of controlling both pump chamber and sand filter pumps in on-site septic installations. UL/cUL Listed. 14" x 12" x 6" indoor/outdoor enclosure (NEMA 4X) 120 VAC control/alarm circuit 120 VAC or 120/208/240 VAC pump circuit Red alarm beacon Alarm horn HOA switches Pump chamber and sand filter magnetic motor contactors Programmable repeat cycle timer Pump chamber and sand filter circuit breakers Control/alarm fuse Float switch and...

  • Intrinsically Safe Circuits

    Model 114 Single Phase Simplex Pump Control with Intrinsically Safe Circuits The Model 114 Build-A-Panelâ„¢ control panel provides greater flexibility by ordering through options, allowing you to customize a standard panel to your specific needs. The Model 114 control panel is designed to control one 120/208/240V single phase pump in applications requiring intrinsically safe float circuits or other circuit extensions. Two control switches activate a magnetic motor contactor to turn the pump on and off. ...

  • RP Single Phase Simplex Plug-in Pump Switch Control

    The SJE Rhombus Model RP control panels provide a reliable means of controlling one 120, 208, or 240 VAC single phase pump in water and wastewater applications. A pump float switch turns the pump on and off. If an alarm condition occurs, an additional alarm float activates the audio/visual alarm. Common applications include pump chambers, sump pump basins, irrigation systems, and lift stations. UL/cUL Listed. 8" x 6" x 4" enclosure Alarm beacon Horn silence (on/off) switch Alarm fuse Terminal blocks One...

  • 115 Single Phase Simplex Pump Switch Control

    The SJE Rhombus Model 115 control panel provides a reilable means of controlling one 120, 208, or 240 VAC single phase pump in water and wastewater applications. A pump float switch turns the pump on and off. If an alarm condition occurs, an additional alarm switch activates the audio/visual alarm system. Common applications include pump chambers, sump pump basins, irrigation systems, and lift stations. UL/cUL Listed. 8" X 6" X 4" enclosure (NEMA 1 steel for indoor use, NEMA 4X ultraviolet stabilized...

  • 312 Simplex Pump Systems Control Panel Three Phase

    The SJE Rhombus Model 312 control panel provides industrial and commercial customers with a reliable means of controlling one three phase pump in water and wastewater applications. Two control switches activate a IEC motor contactor to turn the pump on and off. If an alarm condition occurs, an additional alarm switch activates the audio/visual alarm system. Common applications include pump chambers, irrigation systems, and lift stations. UL/cUL Listed. 12" X 10" X 6" enclosure (dependent on options...

  • SGS Single Phase Simplex Sewage Grinder Control Panel

    The SJE Rhombus Model SGS (Sewage Grinder System) control panel provides a reliable means of controlling one single phase pump. This panel, designed for water and wastewater applications, control pumps of 2 HP or less requiring external starting components. UL/cUL Listed. 120/208/240 V pump circuit 120 VAC control circuit 12" X 10" 6" enclosure (NEMA 1 steel for indoor use or NEMA 4X ultraviolet stabilized thermoplastic) Alarm beacon IEC contactor Pump circuit breaker Includes starting components for...

  • 322 Duplex Pump Control Panel Three Phase

    Three phase, duplex alternating pump control panel with override. The SJE Rhombus Model 322 control panel is designed to alternately control two three phase pumps in industrial and commercial water and wastewater sewage systems. The alternating action equalizes pump wear. In addition to the alternating pump control, this system provides override control should either pump fail. If an alarm condition occurs, the alarm switch activates the audio/visual alarm system. Common applications include lift...

  • 113 Single Phase Simplex Sewage Grinder Control Panel

    The SJE Rhombus Model 113 control panel provides a reliable means of controlling on 120, 208, or 240 VAC single phase pump in water and sewage applications. Two control switches activate an IEC motor contactor to turn the pump on and off. If an alarm condition occurs, an additional alarm switch activates the audio/visual alarm system. Common applications include pump chambers and lift stations. UL/cUL Listed. 14" X 12" X 6" enclosure 120V control circuit 120/208/240V pump circuit IEC motor contactor Pump...

  • 122 Duplex Pump Systems Control Panel Single Phase

    SJE Rhombus 122 Duplex alternating pump systems control panel for single phase units with override. Designed to alternately control two 120, 208, or 240 VAC single phase pumps in water and sewage installations. The alternating action equalizes the pump wear. In addition to the alternating pump control, these systems provide override control should either pump fail. If an alarm condition occurs, an alarm switch activates the audio/visual alarm system. Common applications include pump chambers, lift...