Electrical Devices

Plug-in Supervisory Switch

System Sensor’s PSP1 plug-in switch is a special application supervisory switch designed for applications where no other type of listed valve supervisory switch can be installed.

  • Monitors non-rising stem gate and ball and angle valves
  • NEMA 3 rated enclosures 
  • 360° mounting design provides greater installation flexibility 
  • Adjustable length supervisory cord 
  • Lockout feature ensures alarm signal integrity 
  • Cover tamper switch factory installed
  • Tamper-resistant cover screw

UL Listed; FM Approved