Danfoss low pressure switches to protect the cold system against extreme low pressures. Low pressure pre-control refrigerant compatibility: R22, R134a, R404A, R407A, R407C, R407F, R422B, R422D, R438A, R448A, R449A, R450A, ...R452A, R507A, R513A. KP pressure switches with automatic reset are supplied with top cover. For KP pressure switches with manual reset, the top cover must be ordered separately. IP55 according to EN 60529 / IEC 60529. IP55 is obtained when the KP dANFOSS pressure switches are mounted in an IP55 housing. Mai mult