Diaphragm pressure switch EX-D series
differentialrelativeSPDT

diaphragm pressure switch
diaphragm pressure switch
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Characteristics

Technology
diaphragm
Pressure type
differential, relative
Contact type
SPDT
Mounting
threaded
Process connection
G 1/4, G 1/2
Material
stainless steel, aluminum
Protection level
rugged, ATEX, IP65, SIL 2
Process temperature

Min.: -20 °C (-4 °F)

Max.: 60 °C (140 °F)

Pressure range

Min.: 1 mbar (0.01 psi)

Max.: 63 mbar (0.91 psi)

Burst pressure

Min.: 0 bar (0 psi)

Max.: 100 bar (1,450.38 psi)

Description

Pressure switch for Ex-applications. Degree of Ex-protection: Ex II 2G Ex d e IIC T6 Gb and Ex II 1/2D Ex ta/tb IIIC T80 oC Da/Db For overpressure monitoring of non-aggressive liquids and gaseous media. Kind of pressure - overpressure, relative Pressure connection - internal thread G1/4, external thread G1/2 Electrical connection - terminal connection M16x1,5 IP class - IP65 Housing material - rugged housing of seawater resistant aluminium die casting GD Al Si 12. Media temp. limit - Higher temperatures are possible, provided that the limit is safeguarded by suitable measures (e.g. water tube trap, see Accessories for Pressure Switches / Transmitters) Ambient temp. limit - at temperatures below 0 oC, ensure that no water condensation can arise in the sensor and in the switching device Switch function/capacity - SPDT Microswitch; capacity 2 A inductive, 3 A resistive Certificates - • - SIL2 according IEC 61508-2 • - IBExU12ATEX1040 according to ATEX 2014/34/EU • - IECEx IBE 14.0077 Medium type - liquid or gas Ex class - Ex-d Scale calibration - falling pressure Pressure connection External thread G 1/2 (pressure gauge connection) according to DIN 16 288 and internal thread G 1/4 according to ISO 228 Part 1 Switching device Robust housing (700) made of seawater resistant die cast aluminium GD Al Si 12 Pressure sensor materials Ex-DNM Metal bellows: 1.4571 Sensor housing: 1.4104 Ex-DCM4016/ Diaphragm: Perbunan Ex-DCM4025 Sensor housing: 1.4301 Mounting Directly on the pressure line (pressure gauge connection) or on a flat surface with two 4 mm Ø screws. Contact arrangement Single pole change over switch

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