Distribution Cabinet

BX Series Explosion-Proof Distribution Box

A modular distribution box for lighting, power or mixed circuits in hazardous environments. BX configurations use flameproof enclosures, or a flameproof main chamber with an increased-safety terminal chamber, with externally operated circuit breakers.

Technical overview

Technical Parameters

Ratings are configuration options and cannot be combined independently. The selected model, electrical duty and installation conditions are confirmed together before ordering.

Gas hazardous areas Zones 1 and 2; gas groups IIA, IIB and IIC, subject to the supplied configuration and certificate
Dust hazardous areas Zones 21 and 22; dust groups IIIA, IIIB and IIIC listed in the catalogue
Branch circuits 4, 6, 8, 10 or 12; main-switch versions depend on the selected model
Main circuit current options 63 A; 80–100 A; 125–250 A
Branch current options 1–16 A; 20–25 A; 32–63 A; 80–125 A
Enclosure materials Die-cast aluminium alloy, or welded steel / stainless steel
Construction options Flameproof; or flameproof main chamber with increased-safety terminal chamber
Circuit protection Overload and short circuit; residual-current protection optional
Wiring arrangement Steel conduit or cable
Catalogue gas marking example Ex db IIC T4 Gb
Catalogue dust marking example Ex tb IIIC T130°C Db

Select the exact enclosure, circuit arrangement and temperature class against the hazardous-area classification and the supplied equipment certificate. The catalogue includes different T4 and T6 examples; they are separate configurations.

Construction & configuration

Product Features

  • Modular enclosure arrangement supports different lighting and power circuit combinations.
  • Miniature or moulded-case circuit breakers are operated by handles on the enclosure cover.
  • Power-on indicators provide local circuit-status information.
  • Electrostatic powder coating protects the enclosure surface.
  • Incoming and outgoing cable directions, entry quantities and thread sizes can be specified with the electrical scheme.

Where it is used

Typical Applications

Selection depends on the system voltage, load, circuit duty and installation conditions.

  • Oil extraction and refining installations
  • Chemical and textile processing facilities
  • Offshore platforms and tankers with matching classified areas
  • Hazardous-area lighting and power distribution
Project enquiries

Specify BX Explosion-Proof Distribution Box for your project.

Send the model, quantity, electrical requirements and project drawings for a configuration review and quotation.

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