Distribution Cabinet
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
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
Where it is used
Selection depends on the system voltage, load, circuit duty and installation conditions.
Send the model, quantity, electrical requirements and project drawings for a configuration review and quotation.
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