Explosion-proof Intercom Stations for Zone 22

Robust intercom stations for use in explosive (hazardous) areas of Ex zone 22, suitable for areas with non-conductive combustible dust.

Main areas of application:

  • Chemical and petrochemical processing plants

6 DAX 705

6 DAX 705
Digital Explosion-proof Intercom Stations

Main features and benefits

      • Robust design for use in harsh industrial environments
      • Enclosure made of glass-fiber reinforced polyester
      • 3 momentary rocker switches
      • Designed for use with industrial gloves
      • Visual call or busy status via LED
      • Noise-compensating microphone with dynamic compression
      • Adjustable speaker volume and microphone sensitivity
      • One internal potential-free relay contact

      Data

        • Type of protection:
          Ex nA nC IIC T4 Gc X (EN/IEC 60079-15)
          Ex tc IIIB T100°C Dc X (EN/IEC 60079-31)
        • EMC IEC/EN 61000-6-2 and IEC/EN 61000-6-4
        • Ambient temperature during operation -40 °C to +55 °C (-40 °F to +131 °F)
        • Max. ambient noise level 110 dB
        • Operating voltage range 42 VDC to 72 VDC
        • Degree of protection IP66

        Optional

            • 25-W booster amplifier (25 DVAX series)
            • Flashing warning beacon
            • Acoustic hood
            • Free-standing mounting post
            • Foot switch