pressure switch0 pages
Pneumatic pressure switch 18D
nnnnStandard
nnnn-1 to 30 bar
nnnnMicroswitch with gold plated contacts
nnnnHigh number of switching cycles
nnnnVibration resistant to 15 g
nnnnMicroswitch approved by UL and CSA
nnnnIntrinsically safe operation
nnnnTechnical data
nnnnMedium:
nnnnFor neutral, gaseous and liquid fluids, non-combustible
nnnn(Special versions for water application)
nnnnOperation:
nnnnDiaphragm
nnnnPort size:
nnnnG1/4, 1/4 NPT, Flange
nnnnOperating pressure range:
nnnn-1 to 30 bar
nnnnTemperature:
nnnnFluid
nnnn-10* to +80°C (NBR)
nnnn0* to +80°C (FKM)
nnnnOrdering example
nnnnSee page 2
nnnnAmbient
nnnn-10* to +80°C (NBR)
nnnn0* to +80°C (FKM)
nnnnPlease contact our technical service for use below +2°C.
nnnnTemperature at switching element:
nnnn+80°C
nnnnOperating viscosity:
nnnnUp to 1000 mm2/s
nnnnRepeatability:
nnnn±3%, for vacuum ±4% of final value
nnnn(depending on regulating pressure)
nnnnSwitching element:
nnnnMicroswitch with gold plated contacts
nnnnDegree of protection:
nnnnIP65 for DIN EN 175301-803
nnnnIP67 (M12 X 1)
nnnnMounting position:
nnnnOptional
nnnnElectrical connection:
nnnnAcc. to DIN EN 175301-803, form A
nnnnAcc. to I EC 947-5-2 (M12 x 1)
nnnnMaterials:
nnnnHousing: aluminium or brass
nnnnSealing: NBR/FKM
nnnnJ | |
p-t>-
nnnnSwitching function acc. to
nnnnDIN EN 175301-803, form A:
nnnnMicroswitch SPDT
nnnn(Commutator)
nnnnTerminals 1 - 3:
nnnnContacts close on rising
nnnnpressure
nnnnTerminals 1 - 2:
nnnnContacts open on rising
nnnnpressure
nnnnSwitching function acc. to
nnnnIEC 947-5-2, M12 x 1:
nnnnMicroswitch SPDT
nnnn(Commutator)
nnnnTerminals 1 - 4:
nnnnContacts close on rising
nnnnpressure
nnnnTerminals 1 - 2:
nnnnContacts open on rising
nnnnpressure
nnnn6/06
nnnnOur policy is one of continued research and development. We therefore reserve the right to amend,
nnnnwithout notice, the specifications given in this document.
nnnnN/UK 5.11.001.01
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