Industrial-Grade Control Panel for Three-Phase Pumps

Industrial-Grade Control Panel for Three-Phase Pumps
The new industrial-grade 32S control panel from SJE-Rhombus is designed to control two three-phase pumps in industrial and commercial water and sewage systems.

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SJE-Rhombus, a manufacturer of quality control solutions for water and wastewater applications, introduces the new industrial-grade 32S control panel designed to control two three-phase pumps in industrial and commercial water and sewage systems. The 32S panel is designed to be simple and versatile; one panel handles three voltages and covers a wide variety of pump motor amperage requirements by simply field installing overload modules, up to 32 amps each. 

The 32S control panel features: 

  • Padlockable stainless steel NEMA 4X enclosure
  • Single-point incoming connection
  • IEC HP rated motor starter with adjustable overload module
  • 10 hp max at 208V; 240V; 480V three phase
  • Class 10 ambient compensated overload relay
  • Pump short circuit disconnect and overload reset accessible through the inner door
  • Tri-voltage step-down control transformer
  • Separate alarm/control fuses
  • Override circuit to operate lag pump if lead float fails
  • Alternator relay for even run time
  • 22 mm pilot devices with engraved labels
  • Seal leak circuits for single or double probe pumps
  • Red flashing alarm beacon and audible horn
  • Pump run indicator lights
  • Seal leak indicator lights
  • Alarm silence/test push button
  • Hand-Off-Auto selector switches
  • Overtemp shutdown for motor winding temperature switches (auto reset)
  • 16 AWG MTW control wire
  • Lag delay timing relay
  • Elapsed time meters
  • Auxiliary alarm contact 

The 32S control panel uses standard four-float operation (off, lead start, lag start and high level). If a high water alarm condition occurs, the high-level alarm float activates the audible/visual alarm system, along with auxiliary contacts for remote alarm. The panel is UL/cUL Listed and backed by a three-year limited warranty. 

SJE-Rhombus is a leading control solutions provider, combining nearly 40 years of expertise in pump controls with the latest technology to deliver energy efficient, cost-effective products for a wide variety of residential, commercial, municipal, industrial and agricultural applications worldwide. For more information, visit


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