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Differential Pressure Switch - DW03UN

Brand: WIKA Alexander Wiegand SE & Co. KG
These high-quality differential pressure switches have been developed especially for safety-critical applications. 

The high quality of the products and manufacturing in accordance with ISO 9001 ensure reliable monitoring of your plant. In production, the switches are traced by quality assurance software at every step and subsequently are 100 % tested.
Features
  • No power supply needed for switching of electrical loads. 
  • Robust switch enclosure from stainless steel 316L, IP66, NEMA 4X. 
  • Setting ranges from 0.3 ... 2.5 mbar to 0.7 ... 16 mbar with high working pressure and high Static-Pressure up to 300 mbar. 
  • Intrinsic safety Ex ia available. 
  • 1 set point, SPDT, high switching power up to AC 250 V, 10 A. 
These high-quality differential pressure switches have been developed especially for safety-critical applications. 

The high quality of the products and manufacturing in accordance with ISO 9001 ensure reliable monitoring of your plant. In production, the switches are traced by quality assurance software at every step and subsequently are 100 % tested.
Features
  • No power supply needed for switching of electrical loads. 
  • Robust switch enclosure from stainless steel 316L, IP66, NEMA 4X. 
  • Setting ranges from 0.3 ... 2.5 mbar to 0.7 ... 16 mbar with high working pressure and high Static-Pressure up to 300 mbar. 
  • Intrinsic safety Ex ia available. 
  • 1 set point, SPDT, high switching power up to AC 250 V, 10 A. 

Specifications

Certifications & Approvals

  • CE
  • KOSHA
  • EAC
  • IECEx

Environmental Protection

  • NEMA 4X
  • IP66

Enclosure / Body Material

  • 316L Stainless Steel

Switch Contact

  • SPDT

Process Connection

  • M20 x 1.5
  • G 1/4” A Female
  • G 1/4” A Male
  • G 1/2” A Male
  • 1/2” NPT Female
  • 1/2” NPT Male
  • 1/4” NPT Female

Process Conenction Material

  • Aluminium Casting Alloy, Anticorodal® UNI 3571

Connection Location

  • Lower Mount

Applications

  • Differential pressure monitoring and control of processes
  • Safety-critical applications in general process instrumentation, especially in HVAC and power generation incl. nuclear power plants
  • For gaseous and dry media

Documentation