Bellows pressure switch 5-1648-0 series

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The pressure switches of series 5-1648-0 are engineered to keep under control the pressure of SF6 gas inside middle voltage switchgears. These pressure switches are double switching level type and are therefore suitable for the monitoring of two different levels of pressure. This feature allows to manage a first alert level under which to foresee a gas filling up inside the switchgear, and a second intervention level over which the switchgear is put in emergency protection. The switchgear must also be provided of a pressure connection with male thread 1/4” BSP suitable to hold the pressure switch.