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  • Model 124 Single Phase, Duplex, Alternating Intrinsically Safe

Model 124 Single Phase, Duplex, Alternating Intrinsically Safe

Online Price:


Part Number: SJE-124

Size: 14"L x 16"W x 6"H
Ship Weight: 22 lbs.
Product Weight: 20 lbs.

Ships From: MN
Call for Shipping Rate 866-926-5603 or Email 

Specification Sheet 
Installation Guide 


Single Phase Duplex Alternating Pump Control with Instrinsically Safe Circuits


Panel Features:

  • NEMA 4X (indoor/outdoor) enclosure
  • Red alarm beacon provides 360° visual check of alarm condition
  • Alarm horn provides audio warning of alarm condition
  • Exterior alarm test/normal/silence switch allow horn and light to be tested and horn to be silenced in an alarm condition; alarm automatically resets once the alarm condition is cleared
  • Horn silence relay
  • Intrinsically safe module limits the amount of energy to switches preventing ignition of flammable gases
  • Intrinsically safe partition isolates intrinsically safe wiring
  • IEC motor contactors control pumps by switching electrical lines
  • Hand/Off/Auto (HOA) switches for manual pump control
  • Green pump run indicator light
  • Alternating circuit board (U.S. patent # 5,909,352) provides pump control and alternation
  • Float status indicator lights
  • Control on/off switch
  • Control/alarm power indicator light
  • Input power terminal block
  • Ground lugs
  • Circuit breakers (optional) provide pump disconnect and branch circuit protection
  • Adjustable overload (optional) provides thermal overload protection for pump


  • For a complete listing of available options, please view the backside of the catalog page.

UL/cUL Listed

Industrial control panel is UL Listed relating to hazardous locations with intrinsically safe circuit extensions

Five-Year Limited Warranty

*Model 124 control panels cannot be returned.



  • 16 x 14 x 6 inches (40.64 x 35.56 x 15.24 cm)
  • NEMA 4X (ultraviolet stabilized thermoplastic with removable mounting feet for indoor/outdoor use)


  • 83 – 85 decibel rating