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Aluminium alloy junction box for zone 1, 2, 21, 22

  • Zone 1, 2, 21, 22
  • 25 different sizes
  • Mechanical resistance IK10
  • IP66
  • Stainless steel AISI 316L
  • Stainless steel bolts and screws
  • EPDM gasket
  • Internal/external earth screws
  • Fixing legs

The CTB junction box is made from AISI 316L stainless steel sheet for reliable installation in harsh environments of zones 1, 2, 21, 22. With its high level of quality as well as the use of raw materials treated with advanced technologies, this box successfully resists severe external factors, such as water, dust, violent shocks, vibrations, corrosion and extreme temperature fluctuations, guaranteeing optimal service over a very long period of time.


Body and lid: stainless steel AISI 316L
Hinges: stainless steel AISI316L
Shock protection index: IK10
Gasket: resistant to acids, hydrocarbons and high temperatures, located between the body and the lid. Provides constant protection according to IP66 during use.
Certification label: riveted stainless steel plate on the lid
Removable cable plates: stainless steel 30/10 thickness
Bolts and screws: captive variety in stainless steel
Earth screw: brass. Inside and outside the body with anti-rotation supports
Mounting: AISI 316L stainless steel welded feet
Nominal voltage: 1000 Vac / dc
Nominal Current: 312 A
Nominal frequency: 50/60 Hz
Terminal section: 1.5 ÷ 300 mm2


A2S (Advanced Safety Solutions) 350 Avenue JRGG de la Lauzière 31 Parc du Golf - CS 90519 13593 Aix en Provence Cedex 3


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