Perseus™ vacuum switches are available as flameproof Ex d or intrinsically safe options for use in hazardous areas for hydraulics, air, water, gases, chemicals, fuel oil, refrigerants and more.

With multiple switch configurations, robust housing and proven long-term reliability (SIL rating) in tough environments, they are ideal for OEMs building pumps, compressors, gas turbines, diesel engines and more.

These vacuum switches can be found in oil & gas and petrochemical facilities globally.

Flameproof / Intrinsically Safe Vacuum Switch Specifications

ATEX & IECEx Flameproof CEII2G Exd IIC option

  • T6 Ta = -50 to +74°C & T5 Ta = -50 to 75°C & 90°C

ATEX & IECEx CEII1G Exia IIC option

  • T6 Ta = -50 to +78°C & T5 Ta = -50 to +93°C & T4 Ta = -50 to +128°C

General Features

  • 1 x SPDT microswitch or 2 x SPDT microswitches (simultaneous or adjustable) with adjustable deadband option.
  • Internal adjustment scale
  • 316 stainless steel or black anodised aluminium switchcase to IP66 & IP67 standards
  • Proven and documented SIL 2 IEC 61508 suitability.

Product models

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