The Explosion-Proof Distribution Box is a flameproof electrical enclosure designed to safely house circuit breakers, switches, terminals, and other low-voltage components.
Cases
Technical Specifications
| Parameter | Specification |
|---|---|
| Enclosure Material | Cast aluminum (ZL102) or 304/316 stainless steel |
| Protection Rating | IP65 / IP66 |
| Explosion Protection Type | Flameproof "d" (IEC 60079-1) |
| Hazardous Area Classification | • ATEX: II 2G Ex d IIC T6 Gb • IECEx: Ex d IIC T6 • NEC/CEC: Class I, Division 1, Groups A–D; Class II, Division 1, Groups E–G |
| Rated Voltage | Up to 690V AC |
| Rated Current | Up to 250A |
| Operating Temperature | -40°C to +60°C (T6 rating) |
| Cable Entry | Threaded entries (NPT, M, or G type); certified cable glands included |
| Surface Finish | Electrostatic powder coating (RAL 7035) or polished stainless steel |
| Certifications | ATEX, IECEx, CCC, CE (optional UL/cUL upon request) |
Features
Flameproof Safety
Precision-machined flame-arresting joints and thick-walled enclosures contain internal arcs or explosions-preventing ignition of surrounding hazardous atmospheres per IEC 60079-1.
Durability
Cast aluminum or 304/316 stainless steel resists corrosion, impact, and extreme temperatures.
Applications
Oil & gas refineries and offshore platforms
Chemical and petrochemical processing plants
Paint spray booths and solvent storage areas
Grain elevators and flour mills (combustible dust zones)
Pharmaceutical manufacturing and solvent handling facilities
Mining operations (surface and underground hazardous zones)
Customization
Custom number and rating of breakers or isolators
Integration of explosion-proof meters, indicators, or control relays
Special materials (e.g., marine-grade 316L stainless steel)
Multi-compartment designs for mixed voltage circuits
Project documentation: SCCR reports, certification copies, I/O drawings
FAQs
Do you provide ATEX or IECEx certificates with each unit?
Yes-each batch comes with valid test reports and certification documentation from notified bodies.
Can this box be used in both gas and dust hazardous areas?
Yes. Our standard design covers IIC gas groups and Group E–G dusts. Confirm your zone classification for optimal configuration.
Is installation guidance provided?
Yes-we include detailed English manuals covering mounting, grounding, cable gland torque specs, and inspection checklists.
What's the warranty period?
24 months from shipment under normal operating conditions in certified hazardous areas.
