The Eaton Crouse-Hinds GUBA02 explosion-protected junction box is designed for hazardous areas (Zones 1, 2, 21, and 22) where explosion-proof protection is essential. This enclosure provides a safe and durable housing for electrical connections, preventing ignition risks in environments containing flammable gases, vapors, and combustible dust.
Constructed from cast copper-free aluminum, the GUBA02 offers IP66-rated ingress protection, ensuring resistance to dust, water, and harsh industrial conditions. This robust enclosure is suitable for both indoor and outdoor applications in oil & gas, chemical, mining, and heavy industrial facilities.
Description
Key Features & Benefits
✔ Explosion-Proof Enclosure: Certified for Ex d IIC, Ex tD A21, ensuring compliance with ATEX, IECEx, and ANZEx standards.
✔ Rugged & Corrosion-Resistant: Made from cast copper-free aluminum with a natural or optional epoxy powder finish for enhanced durability.
✔ IP66 Ingress Protection: Provides full dustproof and waterproof protection, making it ideal for outdoor and industrial use.
✔ Threaded Construction: Allows for factory-drilled conduit and cable entries, ensuring customizable installation.
✔ Wide Temperature Range: Designed to operate in -20°C to +55°C, making it suitable for extreme conditions.
✔ Multiple Entry Configurations: Supports a variety of conduit sizes, increasing installation flexibility.
✔ Mounting Feet for Secure Installation: Ensures easy and secure mounting in industrial setups.
Technical Specifications
| Feature | Details |
|---|---|
| Catalog Number | GUBA02 |
| Certifications | ATEX, IECEx, ANZEx |
| Zones Supported | 1, 2 (Gas) / 21, 22 (Dust) |
| Gas Group | IIC |
| Protection Type | Ex d IIC, Ex tD A21 |
| Ingress Protection | IP66 |
| Material | Cast Copper-Free Aluminum |
| Standard Finish | Natural (optional epoxy powder coating available) |
| External Dimensions | 253mm x 298mm x 233mm |
| Internal Dimensions | 204mm x 224mm x 185mm |
| Mounting Feet (X x Y) | 264mm x 216mm |
| Weight | 8.1 kg |
| Ambient Temperature Range | -20°C to +55°C |
Maximum Number of Conduit Entries
| Entry Location | Available Sizes (Metric & Imperial) |
|---|---|
| Top & Bottom | 10 (20mm), 8 (25mm), 4 (32mm), 3 (40mm), 2 (50mm) |
| Sides | 8 (20mm), 7 (25mm), 4 (32mm), 3 (40mm), 2 (50mm) |
| Back | 4 (20mm), 4 (25mm) |
Note: Factory-drilled entries available upon request.
Applications
The GUBA02 explosion-proof junction box is designed for hazardous industrial applications, including:
✅ Oil & Gas Refineries – Secure housing for electrical connections in volatile atmospheres.
✅ Chemical & Petrochemical Plants – Ensures safe containment of wiring and electrical devices.
✅ Pharmaceutical & Food Processing Facilities – Protects against combustible dust and gas hazards.
✅ Mining & Heavy Industrial Operations – Provides rugged protection for electrical components.
✅ Power Plants & Offshore Platforms – Built for harsh and high-risk environments where safety is critical.
Why Choose the Eaton Crouse-Hinds GUBA02?
- Superior Explosion Protection – Fully compliant with ATEX, IECEx, and ANZEx standards.
- Heavy-Duty & Corrosion-Resistant – Cast aluminum construction ensures long-term durability in harsh environments.
- Flexible Installation Options – Multiple factory-drilled conduit entry configurations available upon request.
- Reliable Performance in High-Risk Areas – Engineered to prevent ignition hazards, ensuring maximum safety.

