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High voltage junction box zone 1, 21

  • stainless steel
  • Zone 1, 21
  • high voltage
  • Defect rated at 45 kA for 0.2 seconds
  • DTS-01 anti-downpoor tested box
  • Suitable for low-temperature applications
  • Robust machined hinges with removable and lockable lid

The HVJB range builds on the proven SX stainless steel case platform to provide a safe and flexible method of terminating and distributing high voltage power. This provides electrical infrastructure designers with a greater choice of cables, configurations and endings. The range can accept up to four live connections and up to three connections per phase. These can be done either as an entry from the bottom or as a direct configuration.


Case type: high voltage
Penetration protection: IP66 / 67 to EN60529, Type 4X, DTS-01
Shock resistance: > 7 Nm
Material: 2 mm 316L stainless steel case (EN 1.4404), silicone seal and captive 316 stainless steel fasteners, 3mm 316L stainless steel cable plates (EN 1.4404)
Ambient temperature index: -20C to 40C or -50C to 55C
Maximum completions: 3 drivers per entry phase and 3 drivers per phase exit
Number of press plates: depending on configuration
Crimps: 6 mm2 to 1000 mm2
Grounding: via studs on the case, door and cable plates
Mounting: via 3mm thick external mounting straps, a split top strap to make installation easier
Zone Classification: Zone 1 and 21, Gas and Dust / Class 1 Div 2
Type of protection: Ex eb (increased safety), Ex tb (dust protection)
Device coding: Ex eb IIC T4 Gb, Ex tb IIIC T70 – C Db / Ex eb IIC T150 – C Gb, Ex tb IIIC T110 – C Db

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