The JS-10 (1 amp) and JS-30 (3 amp) switches are magnetically actuated point level switches for use with magnetic liquid level indicators. Magnetic coupling through the chamber wall keeps these switches isolated from process fluid and pressure, allowing setpoints to be adjusted on the fly.



  • No process piping or valves required
  • Retrofit onto existing MLG installations
  • Internal bias magnet maintains state in high-vibration environments
  • Available in SPDT (one internal switch) or DPDT (two internal switches)
  • Available with flying leads (no enclosure), Epoxy-coated Aluminum enclosure, or 316 Stainless Steel Enclosure
  • Class I, Division 1, Groups B, C, D
  • Class I, Division 2, Groups ABCD
  • Class II and Class III, Groups EFG
  • ATEX and IEC ratings (pending)
  • Maintenance-free