Use: Heating system applications.
Operation: The pressure switch protects the heating system: when the pressure reaches the adjusted value, the switch opens the con-tacts
and switches the heating system (boil-er) off. The reset of the system is manual by pushing the “reset” button (red button), after the pressure has decreased at least of 0.4 bar lower than the stop pressure.
Construction characteristics:
Terminals: M4x8 screws with pressure dice.
Standard electric contacts - double contact
NC (normally closed): brass alloy with Ag-Ni
surfacing.
Membrane: texile integrated NBR rubber.
Standard connection: female 1/4” Gas.
Other available connections, see pag. 15.