Switching Action: SPST make on pressure rise Only

Provide operating control, automatic or manual reset limit protection for pressure systems up to 300 psi (2068 kPa).

  • Use with steam, air, noncombustible gases, or other fluids non-corrosive to pressure sensing element.
  • Provide dustproof, trouble-free mercury switching; L404F has snap-acting switching.
  • Trip-free mechanism on manual reset models so the limit function of the controller cannot be defeated by jamming the reset lever.
  • Adjustments are made by screws on top of case.
  • Mount using 1/4 in. NPT female threads or surface mount through base of case.
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Manuals (2)
Pressure Range:
10 psi to 150 psi
Switch Action:
SPDT (two) break R-B simultaneously
Pressure Differential:
7 psi
Temperature Range (F):
-35 F to +150°F
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