The Eaton Crouse-Hinds GUB 20 explosion-protected junction box (Catalog Number: NOR 000 001 160 124) is engineered for use in hazardous environments (Zones 1, 2, 21, and 22) where safety and reliability are crucial. Designed to function as a splice box, pull box, or equipment enclosure, this ATEX & IECEx-certified enclosure ensures superior protection in industrial applications where explosive gases and dust are present.
Manufactured from copper-free aluminum and coated with epoxy powder, the GUB 20 provides excellent corrosion resistance, IP66/IP67-rated ingress protection, and a robust construction suitable for indoor and outdoor use.
Description
Key Features & Benefits
✔ Explosion-Protected Design: Certified for Ex d IIC T4-T6, Ex ia for Zones 1, 2, 21, 22, ensuring safe operation in hazardous locations.
✔ High Durability & Corrosion Resistance: Constructed from copper-free aluminum with a powder-coated epoxy finish to withstand harsh environments.
✔ IP66/IP67 Protection: Offers complete dust and water resistance, making it ideal for outdoor and industrial settings.
✔ Wide Operating Temperature Range: Capable of withstanding temperatures from -20°C to +55°C, ensuring reliable operation in extreme conditions.
✔ Versatile Use Cases: Designed for use as a junction box, pull box, or electrical enclosure in hazardous areas.
✔ Threaded Construction: Enables custom factory-drilled conduit entries, allowing flexibility for various installations.
✔ Grounding Capability: Equipped with an internal grounding lug to securely ground enclosed electrical components.
Technical Specifications
| Feature | Details |
|---|---|
| Catalog Number | NOR 000 001 160 124 |
| Model | GUB 20 |
| Certifications | ATEX, IECEx, NEMA 4 |
| Zones Supported | 1, 2 (Gas) / 21, 22 (Dust) |
| Gas Group | IIC |
| Protection Type | Ex d IIC T4-T6, Ex ia |
| Rated Voltage | 690V |
| Maximum Rated Current | 150A |
| Dissipated Power | 100W (T6) / 145W (T5) / 255W (T4) |
| Ingress Protection | IP66/IP67 |
| Material | Copper-Free Aluminum |
| Finish | Epoxy Powder Coating |
| External Dimensions | 215mm x 215mm x 195mm |
| Internal Dimensions | 175mm x 175mm x 139mm |
| Mounting Dimensions | 250mm x 11mm |
| Weight | 6.20 kg |
| Ambient Temperature Range | -20°C to +55°C |
Applications
The GUB 20 (NOR 000 001 160 124) junction box is ideal for hazardous industrial environments, including:
✅ Oil & Gas Refineries – Secure enclosure for electrical connections in explosive atmospheres.
✅ Chemical & Petrochemical Plants – Ensures safe wiring and device housing in hazardous conditions.
✅ Pharmaceutical & Food Processing Facilities – Protects against combustible dust and gas exposure.
✅ Mining & Heavy Industrial Operations – Rugged protection for electrical installations in extreme environments.
✅ Power Plants & Offshore Platforms – Complies with strict explosion-proof safety standards.
Why Choose the Eaton Crouse-Hinds GUB 20?
- Industry-Leading Explosion Protection – Certified to ATEX, IECEx, and NEMA 4 standards for maximum safety.
- Heavy-Duty & Corrosion-Resistant Build – Aluminum construction with epoxy coating ensures long-lasting durability.
- Flexible Installation Options – Available with custom conduit entry configurations upon request.
- Reliable Performance in Hazardous Areas – Designed to prevent ignition and explosion risks, ensuring operational safety.

