Languages: Italiano English


Explosion proof buzzer suitable for hazardous area Zone 1 & Zone 21

Ex mb – IP66

The buzzers series AB1-S-is an alarm with a penetrating acoustic signal used to safely indicate possible dangers in potentially explosive areas. The high degree of IP protection and the corrosion-resistant stainless steel housing guarantee a long service life even under aggressive environmental conditions. The buzzer can be used in a variety of ways in potentially explosive areas. Thanks to its approval as a device, it can be installed directly in the front of a machine without further certification. It has also been tested in order to be installed in certified control panels of types of protection Ex d, Ex t and Ex e.

A lock nut is included in the scope of delivery.


  • Type of protection: Ex mb

  • Degree of protection: IP66

  • Certified for:

    • Gas group IIC
    • Dust group IIIC
  • Max range ambient temperature: -40°C ÷ +60°C

  • Threading: M22x1.5

  • Weight: 150 g (1.5 m)

Call or write us now

We are here for all of your needs!