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Boxes with porthole suitable for hazardous area Zone 1 & Zone 21

Ex db / Ex tb – IP66/67

These boxes are suitable for electrical/electronic equipment and instruments. They have screw cap with heat-resistant tempered glass and O-ring which ensures both IP66/67 protection and protection against dusts (2D). The depth can be standard or it can be extended by adding one of the extensions (short or long). They are supplied with rough surface or outside painted according to customer specifications.

Certified either for the version complete with electrical apparatus or empty as an Ex component.


  • Type of protection: Ex db / Ex tb

  • Degree of protection: IP66/67

  • Certified for:

    • Gas group IIC
    • Dust group IIIC
  • Max range ambient temperature: -50°C ÷ +85°C

  • Material used: Aluminum light alloy

  • Terminal blocks max rated cross section: 1.5 mmup to 35 mm2

  • Weight: 415 g up to 2455 g

Other options available:

Stainless Steel box ROI for equipment and instruments

RO..I – Stainless Steel boxes for equipment and instruments

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