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24 Series differential pressure switch

The cost/efficiency ratio of the United Electric Delta-Pro Series 24 Pressure Switch is suitable for pressure, vacuum and differential pressure, offering a unique combination of compact size, excellent functionality and environmental protection.

It is available in brass or with pressure connections in Polisulfone which makes the Delta-Pro an ideal element in applications with hot or cold air, water, gas or oil. The instantaneous switch accuracy and the combination of the sensitive diaphragms provided provide a narrow differential and repeatability of approximately 1% of full scale.

An external multi-turn screw allows a simple and safe method of adjusting the trigger point while its balanced force design provides excellent resistance to vibration.

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  • Pressure: -1 to 6.2 bar
  • Differential pressure: 68.9 mbar at 3.1 bar

No. of adjustment points1 SPDTProcess connections1/4 2NPT H or 1/4 “NPS H (see catalog)Electric connections7/8 “(22.2 mm) hole for 1/2” NPT optionalWeight184 gr


  • Polysulfone connection block, (FDA-approved) PFA Teflon or corrosion-resistant brass Corrosion-resistant brass/li>
  • Compact design


  • Designed to comply with NEMA 4 protection (with weatherproof cable gland)
  • Applications for OEMs with adjusting handwheel and with or without reference scale


  • brass or polysulfon or teflonpressure fittings
  • Range up to 90 psi (6 bar), 45 psid (3 bar)
  • with terminal strip

Technical specifications


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