Complete Guide to R. STAHL Explosion-Proof Floodlight – Part-No: 6121/5312-640-01
Introduction
When working in environments where flammable gases, vapors, or dust are present, proper lighting isn’t just about visibility — it’s about safety. That’s why R. STAHL developed the floodlight with part-no: 6121/5312-640-01. Designed for use in hazardous locations, this robust and reliable lighting fixture is built to meet the most stringent international standards. This article provides a complete and user-friendly overview of the product, tailored for engineers, buyers, and plant operators looking for a detailed, easy-to-understand guide.
Product Overview
The part-no: 6121/5312-640-01 floodlight is part of R. STAHL’s 6121/53 series. It’s engineered specifically for explosion-protected environments, which include oil rigs, petrochemical plants, mining operations, and other industrial facilities classified under ATEX Zones 1, 2, 21, and 22. It combines strength, durability, and energy efficiency to deliver optimal performance in the harshest conditions.
Built with a seawater-resistant aluminum housing and protected with an IP66/IP67 rating, this floodlight withstands both dust and powerful water jets. Its design ensures long-term reliability even when exposed to challenging weather and atmospheric conditions.
Technical Specifications
Understanding the technical details of the part-no: 6121/5312-640-01 is essential when planning for installation and compliance. The following table presents a clear view of its major specifications:
Floodlight Specification Table
| Feature | Description |
| Product Series | 6121/53 |
| Part Number | 6121/5312-640-01 |
| Lamp Compatibility | HIT (Metal Halide), HST (High Pressure Sodium) |
| Maximum Wattage | 400 W |
| Lamp Holder | E40 |
| Voltage Rating | 230 V AC, 50 Hz |
| Operating Temperature | -20°C to +55°C |
| Housing Material | Seawater-resistant cast aluminum |
| Protection Class | IP66/IP67 |
| Explosion Protection Zones | Zone 1, 2, 21, 22 |
| Certification Standards | ATEX, IECEx |
This floodlight does not include a compensation capacitor, making it simpler for projects that already integrate external power factor correction.
Compliance and Certifications
R. STAHL’s part-no: 6121/5312-640-01 meets international safety standards, including ATEX and IECEx certifications. These certifications indicate its suitability for use in explosive gas atmospheres (Zones 1 and 2) and combustible dust atmospheres (Zones 21 and 22). The floodlight complies with the temperature class T3, which limits the surface temperature to 200°C — a crucial factor in preventing ignition.
Installation and Maintenance Guide
The part-no: 6121/5312-640-01 is designed with installation convenience and maintenance efficiency in mind. It features a universal mounting bracket that allows for both ceiling and wall installations. The bracket offers flexible positioning to ensure optimal light distribution.
Wiring is straightforward, using terminals capable of handling conductors up to 6 mm². A cable gland M25 x 1.5 and a stopping plug are pre-installed, making it compatible with most standard cabling systems. Lamp replacement is made easy through a sideward aperture with a screw-threaded cover, minimizing downtime during maintenance.
Routine maintenance involves basic cleaning and occasional inspection to ensure dust or moisture does not accumulate around seals. The durable materials and design mean the unit requires little intervention, saving long-term operational costs.
Industrial Applications
The primary advantage of using part-no: 6121/5312-640-01 lies in its application in industries with explosive atmospheres. Industries that commonly rely on this floodlight include:
- Oil and gas production
- Petrochemical refineries
- Offshore and onshore drilling platforms
- Mining and mineral processing
- Chemical manufacturing plants
- Grain and sugar processing facilities
Its symmetrical, broad-beam lighting pattern ensures even illumination across large areas, improving workplace safety and productivity.
How It Compares to Competitors
Compared to similar floodlights from other brands, the R. STAHL part-no: 6121/5312-640-01 excels in build quality, ease of maintenance, and electrical safety. Many competing models lack the dual-zone protection (gas and dust), or fail to reach the same IP protection level. Additionally, R. STAHL’s use of high-grade materials ensures a longer lifespan and fewer replacements, reducing total cost of ownership.
Procurement and Availability
Acquiring the part-no: 6121/5312-640-01 is straightforward through authorized R. STAHL distributors. Customers can also find this model listed on reputable industrial supply platforms such as:
- Ontrium.com (USA)
- Industrial-Supplier.co.uk (UK)
- Meltas.com (Turkey)
Buyers should verify lead times and ensure the correct version (with or without additional accessories) is ordered. Given its popularity, this floodlight may be in high demand, so early procurement planning is recommended.
FAQs
1. Is this floodlight compatible with LED lamps?
No, the part-no: 6121/5312-640-01 is designed for use with HIT (metal halide) and HST (high-pressure sodium) lamps, using an E40 lamp holder.
2. What is the weight of the floodlight?
The approximate weight of this unit is around 12 to 15 kg, depending on the version and any additional fittings.
3. Can it be used in outdoor marine environments?
Yes, thanks to its seawater-resistant aluminum housing and IP66/IP67 rating, it’s highly suitable for marine and coastal applications.
4. Does it include the light bulb upon purchase?
No, this floodlight is typically supplied without the lamp. Compatible lamps must be purchased separately.
5. Can the floodlight be painted or coated externally?
It’s not recommended to paint or coat the unit externally as this may affect heat dissipation and certification compliance.
Conclusion
In conclusion, the R. STAHL explosion-proof floodlight with part-no: 6121/5312-640-01 stands out as a high-performance lighting solution for hazardous industrial environments. With robust engineering, exceptional certifications, and dependable safety features, it offers peace of mind and long-lasting performance. Whether you’re retrofitting an old system or building a new plant, this floodlight provides unmatched reliability where safety is non-negotiable.
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