Supervisory Switch

Supervisory Switch

Description
  • Used to detect tampering or setting changes on control valves, by monitoring open/closed positions
  • Durable metal enclosure with single-side entry for conduit
  • Adjustable actuator length
  • Two S.P.D.T. synchronized switches
Model 9391:
Supervisory switch, for post indicator, butterfly and pressure regulating valves
Contact Guardian for current approvals.