DFC 17B, 27B: Heavy-duty pressure switch 
 
How energy efficiency is improved 
Control and monitoring according to needs and with no auxiliary energy.
 
Features
• For regulating and monitoring pressure in liquids, gases and vapours
• Especially suitable for installations subject to vibrations
• Contact rating 1 mA/6 V to 10 A/400 V
• Gold-plated silver contacts, vibration-proof snap-action switch with single-pole change-over switch
• Upper and lower switching points can be set independently of each other
• Sealable
• Splashproof
• DFC17B**F001: Pressure sensor made of brass for non-aggressive media
• DFC27B**F002: Pressure sensor made of stainless steel for aggressive media