VSM – Vacuum switches intrinsic safety execution

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Parameters	Intrinsic safety
Electrical connection	DIN 43650 – PG09 or PG11
Input voltage	Vi 30 V
Input current	Li 100mA
Max. input power	Pi 0,75 W
Input capacity	Ci ~ = 0
Input inductance	Li ~ = 0
Working range	-200 -500 mbar / -500 -900 mbar
Max. static pressure	20 bar
Hysteresis	From 10% to 30% of set-point value
Temperature range	-30 C° +140 °C (according to diaphragm/seal material)
Contact	SPDT
Body material	Brass – Stainless steel AISI 316
Diaphragm / Seal material	NBR – FKM – Silicone – HNBR – Neoprene – EPDM
Threads	G1/8 – G1/4 – M12 x 1,5
Protection	IP65 DIN 40050
Mechanical life	10⁶ operations
Dimensions	Body Ch 27 – Max. high 75 mm
Certificate	ATEX – II 1 G EEX ia IIC T6
Options	Set-point rising and falling – Gold-plated contacts for low current – Degreased for oxygen – Set-point and hysteresis