Notes Switch travel diagram
  Contact closed
  Contact open
  Setting range
  Break point
  Positive opening sequence/- angle
VS  adjustable range of NO contact
  adjustable range of NC contact
N   after travel
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Safety-monitoring module

The new generation of safety relay modules SRB EXi combines the approved safety technique with the demands of the explosion protection.
The SRB EXi modules are developed on the basics of the ATEX directive 94/9/EG and the European standards EN 60 079 et seq.
The intrinsically safe monitoring guards EXi are designed for equipment of the category 2GD. Therewith emergency stop devices and safety door monitorings may be used in gas- and dust-explosive atmosphere.