Axiom AX Explosion Proof Limit Switch

The Axiom AX Series is designed to perform reliably in adverse conditions. It’s non-contact position sensing system, with fully potted and sealed electronics, is completely protected inside the water-tight explosion-proof enclosure. The integral pneumatic control is tolerant of contaminants and able to operate on standard plant air. A rebreather capability is also standard, eliminating potential ingestion of outside contaminants into the spring side of single-acting actuators.

Features & Benefits

  • Epoxy coated anodized aluminum enclosure
  • Universal voltage solenoid and switching
  • Convenient push button switch setting
  • Robust solenoid valve with standard rebreather
  • Diagnostic versions available
  • Space efficient design
  • Rebreather system minimizes corrosive ingestion for single-acting actuators
  • Diagnostic versions aid in trouble-shooting and anticipate problems to increase plant uptime and reduce maintenance costs
  • Compact design minimizes valve-actuator assembly dimensional envelope


  • AX33/AX35: Universal voltage switching and solenoid
  • AX44: NAMUR sensors (7-24 VDC)
  • Communication options: AS-Interface, FOUNDATION Fieldbus, DeviceNet and HART
  • Temperature range: -40°F to +176°F
  • Material: Epoxy coated anodized aluminum or 316L Stainless Steel
  • Flow capacity: 0.7 Cv or 1.2 Cv
  • Hazardous area approvals: Ex d, Ex i, Class I, Division 1 and Class I, Division 2