HLA-4X is a robust alarm system housed in a NEMA 4X enclosure designed for areas that require protection against the elements. This product will alert you of potential threatening liquid level conditions.


  • 120/208/240VAC, single phase, 60Hz
  • Indoor/Outdoor NEMA 4X panel enclosure: heavy duty polycarbonate with stainless steel lockable latches
  • UL listed for the United States and Canada (panel and control)
  • Alarm visible indicators: red beacon alarm light, alarm test and silence buttons
  • Audible alarm provides audio warning of alarm condition (85 decibel)
  • Alarm automatically resets when liquid level is back to normal
  • Remote monitoring dry contacts; form C
  • Includes one narrow angle float switch with 20' cord


  • S3 = No floats included
  • S4 = Normally closed float (for low level applications)
  • BB = 9V battery backup for alarm circuit
  • SS = Stainless steel enclosure
  • AF = Alarm flasher
  • C = Additional cord length greater than 20'; specify after C
    Example: HLA-4X-C50 Indicates 50' cord length for float switch


  • Industrial Sumps
  • Holding Tanks
  • Residential Tanks
  • Lift Stations
Get in Touch: 888-733-9283