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Rope Pull Switches for potentially explosive atmospheres

BERNSTEIN provides the SD series as rope pull switches for potentially explosive atmospheres. It can be used in zones 1, 2, 21 and 22. However, the Si2 series as rope pull switches is also possible for the use in zones 21 and 22.

  • EX certification:
    II 2G Ex db IIC T6 Gb
    II 2D Ex tb IIIC T80°C Db
  • Ex Switch integrated in the ultra-reliable SD enclosure
  • Switches with 2, 5 and 9 meter connection cable