Distribution Cabinet

BXX Series Explosion-Proof Distribution Box

A configurable explosion-proof distribution box for lighting, power and mixed circuits. The BXX range offers flameproof and combined flameproof / increased-safety structures, with a modular arrangement of circuit breakers, operating handles and indicators.

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.

BXX Explosion-Proof Distribution Box technical parameters
Gas hazardous areasZones 1 and 2; gas groups IIA and IIB, subject to the supplied configuration and certificate
Dust hazardous areasZones 21 and 22; confirm the applicable dust group against the supplied equipment certificate
Branch circuits4, 6, 8, 10 or 12, including main-switch configurations
Main circuit current options63 A; 80–100 A; 125–250 A
Branch current options1–16 A; 20–25 A; 32–63 A; 80–100 A
Branch cable-entry optionsG3/4, G1, G1¼ and G1½, according to configuration
Enclosure materialsDie-cast aluminium alloy, or welded steel / stainless steel
Circuit protectionOverload and short circuit; residual-current protection optional
Wiring arrangementSteel conduit or cable
Catalogue gas marking exampleEx db IIB T4 Gb
Catalogue dust marking exampleEx tb IIIB T130°C Db

Construction & configuration

Product Features

  • Supports lighting, power or combined distribution circuits within a modular enclosure layout.
  • Enclosure options include a flameproof main chamber with an increased-safety terminal chamber.
  • External handles operate the installed miniature or moulded-case circuit breakers.
  • Power-on indication and electrostatic powder coating are included in the described construction.
  • Main switch, branch currents and cable interfaces can be configured to the confirmed electrical scheme.

Where it is used

Typical Applications

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

  • Oil and petrochemical facilities with matching IIA/IIB gas classifications
  • Chemical and textile production environments
  • Offshore platforms and tankers with matching classified areas
  • Hazardous-area lighting and power circuits
Project enquiries

Specify BXX 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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