User guide

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Pressure Switches with ATEX Approval
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Pressure Switches with ATEX Approval
Pressure switch for Ex-applications. Degree of Ex-protection: Ex II 2 G/D EEx de IIC T6 IP65 T80
o
C
For overpressure monitoring of non-aggressive liquids and gaseous media.
Fixed pressure hysteresis
Pressure switch (Ex) for liquid, gas (Ex-DCM)
Kind of pressure overpressure, relative
Pressure connection internal thread G1/4, external thread G1/2
Electrical connection terminal connection M16x1,5
Protection class IP65
Housing material rugged housing of seawater resistant aluminium die casting GD Al Si
12.
Media temp. -15 ... 60
o
C
Media temp. limit temperatures up to 80
o
C are allowable for short periods. 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 temperature -15 ... 60
o
C
Ambient temp. limit at temperatures below 0
o
C, 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 • ATEX-approval No. PTB 02 ATEX 1121
Pressure adjustment range Switching differential Max. pressure Sensing element material Type
bar bar bar
0,001 ... 0,016 0,002 1 Perbunan + 1.4301 EX-DCM4016
0,004 ... 0,025 0,002 1 Perbunan + 1.4301 EX-DCM4025
1 ... 10 0,3 16 1.4104 + 1.4571 EX-DNM10
16 ... 63 1 130 1.4104 + 1.4571 EX-DNM63
Syphon for high temperature, steel, U-shape (for more accessories, see Accessories
for Pressure Switches / Transmitters)
U430B