BXT-¡õ-W Series Explosion-proof Enclosures

           

Explosion Protection Type

Standards: CENELEC, IEC, NEC

Zones: * Zone 1 and Zone 2

• Zone 21 and Zone 22
• Class I, Zone 1 and Zone 2
• Class I, Division 1, Groups C, D

Explosion Protection Ratings:

• IECEx (Gas and dust): Ex db IIB+H2 Gb; Ex tb IIIC Db IP66
• ATEX (Gas and dust): * II 2 G Ex db IIB+H2 Gb
  • II 2 D Ex tb IIIC Db IP66

Product Parameters

Product Type: BXT-□-W

Material: * Enclosure: Copper-free Aluminium Alloy, powder coated surface

• Exposed fastener: Stainless steel

Enclosure Color: Window grey (RAL7040)

Internal & External Earthing: * I, II, IIB: M6/M6

• III, IIIB, IV, IVB, V, VB, VI, VIB: M6/M8
• VII, VIIB: M8/M8

Degree of Protection: IP66

Ambient Temperature: -60°C ~ +200°C

Mounting feet: Carbon steel, powder coated surface

Product Classification & Origin

HS code: 732690

Country of Origin: China

Applicable Industries

An explosion-proof empty enclosure is a specialized housing designed for hazardous environments where explosive gases or dust are present—such as petroleum, chemical, pharmaceutical, and military industries. It is a fundamental explosion-proof enclosure supplied without any pre-installed electrical components, providing only a protected and isolated space. Its primary function is to ensure safe connection, branch wiring, and transition protection for cables and conductors routed through hazardous areas. It effectively isolates any sparks or high temperatures generated at cable joints from the external explosive atmosphere, serving as an indispensable “safety bridge” in a complete explosion-proof electrical system. Like certified explosion-proof equipment, the flameproof empty enclosure is constructed from high-strength materials, offering resistance to impact, corrosion, water, and dust. This ensures long-term sealing and protection in demanding environments like chemical plants and offshore platforms.

Credibility

Electrical equipment for hazardous areas faces strict global mandates. The Certified Explosion-Proof Enclosure has obtained qualification certificates such as ATEX, IECEx, or EAC certification from an authorized body, specifying its protection type, gas group, and temperature class—serving as the essential safety guarantee and the authoritative pass for market entry.

FAQ

Q1: What is an explosion-proof empty enclosure? What’s the difference between it and a finished explosion-proof distribution box?

A1: An explosion-proof empty enclosure is a pre-certified basic housing supplied without any internal electrical components; it’s a semi-finished product. In contrast, a complete explosion-proof assembly is a fully assembled terminal device (e.g., distribution panel, control stations) ready for direct use.

Q2: Can standard (non-certified) components be used inside a certified empty enclosure?

A2: Even with a certified explosion-proof enclosure, all internal electrical components must themselves be certified and comply with the explosion-protection standards required for the target hazardous environment.

Q3: Does self-assembly using an empty enclosure affect the overall explosion-proof certification?

A3: Yes, critically. The empty enclosure itself and every internal component installed (e.g., circuit breakers, terminals, indicator lights) must each hold valid and applicable explosion-proof certificates. Furthermore, assembly must be performed by qualified personnel in strict accordance with the installation instructions. Any improper operation can invalidate the certification. Typically, the assembler bears responsibility for the final system’s compliance.

Q4: Why is an empty enclosure solution sometimes more cost-effective than purchasing a pre-built assembly?

A4: Advantages lie in flexibility, cost control, and lead time. It allows for flexible internal configuration based on actual needs. Standardized empty enclosures help reduce overall project costs. Procurement of standard enclosures and self-configuration of components can often be significantly faster than ordering custom pre-built assemblies.