Service intended

P955 diaphragm-type pressure switch can be utilized in a boiler processing line. Its internal micro switch is triggered by the pressure of various fluids, such as atmospheric pressure or water pressure. The pressure setting range is adjustable.

Specification

FluidGas and oil
Repeatability±1.0 % of adjustable range
Adjustable range (mbar, nPa, bar, MPa)0.3 kPa to 50 MPa
-1.0 ~ -0.1 bar
Dead bandFixed
One SPDT : Approx. 5~6 % adjustable range
Working temperatureAmbient : -25~65 °C (O-ring material: NBR, Viton)
-40~65 °C (O-ring material: Silicone)
Fluid : Max. 100 °C
Degree of protectionEN60529/IEC529/IP67

Standard features

Pressure connectionStainless steel (316SS)
316L SS
ElementStainless steel (316L SS)
Viton (Up to 4 kPa adjustable range)
Case and coverALDC 12.1
Silver gray finished aluminium
Process connection¼”,  ⅜”, ½” PT, NPT and PF
ContactMicro contact type
One SPDT (P953-1B3)
Contact ratingSPDT contact rating
AC 125 V / 250 V, 15 A
DC 125 V, 0.4 A for resistance load
DC 125V, 0.03 A for inductive load
Conduit connection¾” NPT (F)
CertificatesKCS Ex db IIC T6 Gb

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