Wika MA

Diaphragm pressure switch

Flameproof enclosure Ex d

Applications

  • Pressure monitoring and control of processes
  • Safety-critical applications in general process instrumentation, especially in the chemical and petrochemical industries, oil and gas industries, power generation incl. nuclear power plants, water/wastewater industries, mining
  • For gaseous and liquid, aggressive and highly viscous or contaminated media, also in aggressive ambience

Special Features

  • No power supply needed for switching of electrical loads
  • Robust switch enclosure from aluminium alloy, IP 66, NEMA 4X
  • Setting ranges from 0 …16 mbar to 0 … 600 bar, vacuum ranges
  • Repeatability of the set point ≤ 1 % of span
  • 1 or 2 independent set points, SPDT or DPDT, high switching power up to AC 250 V, 20 A