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Dungs LGW150 A2P 30-150 mbar Differential Pressure Switch

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Dungs LGW150 A2P 30-150 mbar Differential Pressure Switch

Dungs LGW 150 A2P 272354 Pressure Switch


  • The differential pressure switches LGW 150 A2P are adjustable differential pressure switches as per EN 1854 for automatic burner controls.
  • They are suitable for switching a circuit on, off or over on changes in actual pressure value relative to the set reference value.

Test Button

LGW…A2P test button The LGW...A2P differential pressure switch is equipped with a test button. The test button permits a service friendly check of the safety function. If the test key is pressed while the pressure exists, the connection to the pressure connection G 1/4 is interrupted and the pressure under the diaphragm is released. The microswitch of the pressure switch changes the contact position from NO to NC. If the test button is released, the pressure below the diaphragms is built up again and the microswitch changes to its original position.