Diaphragm pressure switch PSM, PSP series
adjustable pistonstainless steelexplosion-proof

diaphragm pressure switch
diaphragm pressure switch
diaphragm pressure switch
diaphragm pressure switch
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diaphragm, adjustable piston
Other characteristics
stainless steel, explosion-proof, ATEX, intrinsically safe, IP65
Process temperature

Max.: 70 °C (158 °F)

Min.: -20 °C (-4 °F)

Pressure range

Max.: 600 bar (8,702.26 psi)

Min.: 0.2 bar (2.9 psi)


PSM / PSP Series – Diaphragm/Piston Adjustable Pressure Switches Intrinsic Safety Execution Type approval certificate ATEX - II 1 G EEx ia IIC T6 INTRINSIC SAFETY PARAMETERS Working temperature -20°C to +70°C Input voltage Vi 30V Input current Ii 100mA Max. input power Pi 0.75W Input capacity Ci ~= 0 Input inductance Li ~= 0 Electrical connection DIN 43650 – PG09 (standard)/PG11 Adjusting range 0,2…300 bar Max static pressure 600 bar Hysteresis Adjustable 10% to 30% set-point Contact (without pressure) SPDT Body material Tropicalized Steel (standard) 303 Stainless Steel – 316 Stainless Steel Diaphragm/Piston seal NBR (standard) – HNBR - FKM – Silicone – EPDM – Neoprene – Stainless Steel Threads Parallel: G1/8" – G1/4" – M10x1 – M12x1.5Taper: 1/8 NPT Protection IP65 Mechanical life 106 operations Size Body 27 AF - Max height 85mm Options Set-point adjustment rising – Set-point adjustment falling – Factory set-point and hysteresis adjustment – Gold contacts – Degreasing for oxygen applications – Gas test – High pressure execution – Special thread connections


*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.