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Explosion proof signalling units for hazardous area Zone 1 & Zone 21 & mines

Ex db / Ex tb – IP66

Pilot lights series L are signalling LED units. They are available in a lot of gem-led colours.

These devices are extremely compact but with high resistance. they are suitable to be installed in classified harzardous area Zone 1 & Zone 21 and also certified for mines group I M2 (with metal ring protection).


  • Type of protection: Ex db / Ex tb

  • Degree of protection: IP66

  • Certified for:

    • Gas group IIB+H2 or IIC
    • Dust group IIIC
    • Mines group I M2
  • Max range ambient temperature: -50°C ÷ +80°C

  • Materials used:

    • Nickel plated brass (body)
    • Tempered glass (internal optical components)
    • Self-estiguishing polycarbonate (colored caps)
  • ISO 262 Threads: M20x1.5 or M25x1.5

  • LED lamp socket BA9S for M20

  • LED lamp socket BA15S for M25

  • LED voltage:

    • 12÷30Vac/dc
    • 110Vac
    • 220Vac
  • Max power consumption: 1 W

  • Weight: 63 g up to 108 g

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