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Pressure Switches & Gauges

Pressuretrol® Limit controllers L4079A, B, W, L604N

High pressure limit switch suitable for steam, air, non-combustible gases, and fluids noncorrosive to the sensing element.

Overview
The L4079A,B, and W PressureTrol® Limit Controls are high pressure limit switches that break electrical circuits when pressure rises to a preset value. The L4079A and B can be used with steam, air, noncombustible gases, and fluids noncorrosive to the sensing element. L4079W is for use on oil burner systems.

Features & Benefits:
  • L4079A has two ganged spst switches; breaks two circuits (may be both sides of the power supply) simultaneously
  • L4079B has one spst switch
  • L4079W is the same as L4079B but has seals for oil applications
  • MICRO SWITCH® snap-acting switches are visible through transparent cover
  • Switches open automatically but must be reset manually
  • Trip-free reset mechanisms do not permit the limiting role of the PressureTrol® Control to be defeated by jamming the reset lever
  • Control does not need leveling
  • The L4079 is unaffected by moderate vibration
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Description
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L4079A1035/U
PRESSURETROL
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L4079A1050/U
PRESSURETROL
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L4079B1033/U
PRESSURETROL
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L4079B1041/U
PRESSURETROL
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L4079B1058/U
5-50 PSI OPERATING RANGE. MAX DIAPHRAGM
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L4079B1066/U
PRESSURETROL LIMIT CONTROLLER
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L4079B1074/U
PRESSURETROL
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L4079B1082/U
PRESSURETROL
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L4079W1000/U
PRESSURETROL
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L604N1009/U
RANGE 10-150 PSI,.7-10.6 KG/CM2,FIXED
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