Danfoss RT-121 Pressure Switch comes with a controlled, single-pole change-over switch. The contact position depends on the pressure within the connection port and the set price. This Danfoss Air Pressure Switch  additionally workers neutral zone pressure switches, safety pressure switches for vessel plants, and gold plated fail-safe controls for applications within which safety or economic consequences are critical factors.
Applications: Steam boiler plant, Control systems in factories, Diesel plants, Compressors, Power stations, and Onboard ships.