The pressure limiter UB…A4 are adjustable 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. The reference value (switching point) is adjusted on a setting wheel provided with a scale. Test nipple integrated in metal housing as standard.
Pressure monitoring in firing, ventilation and air-conditioning systems. Suitable for gases of families 1,2,3 and other neutral gaseous media.
EC type testing certificate as per:
Approvals in other important gasconsuming countries. Special designs for the North American market with UL , FM and CSA registrations.