The Curalux CLCN GUV20WD is a 20 W ultraviolet C (UV C) germicidal fluorescent tube with a double ended T5 cap, designed specifically for use in dedicated enclosed sterilisation fixtures. UV C radiation at germicidal wavelengths is widely used in professional disinfection applications because it can disrupt the DNA and RNA of microorganisms — including bacteria, viruses and fungi — helping reduce contamination without the use of chemicals.
This lamp is not for general lighting or open area use. It must be installed only in fixtures engineered to contain UV C energy and prevent exposure to people, animals or plants. (signify.com)
⚠️ Safety Note: UV C radiation can cause serious eye and skin injury. Always ensure lamps are fully enclosed and shielded during operation.
Product
- Description
- Key Features
- How UV C Germicidal Technology Works
- Typical Applications
- Technical Specifications
- Installation & Safety Guidance
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• ☀️ Powerful UV C Output: Designed to emit ultraviolet C radiation in the germicidal band (~254 nm) that is effective at neutralising microorganisms in controlled systems.
• 🔋 20 W Power Rating: Delivers balanced output suitable for medium duty sterilisation equipment.
• 🔄 Double Ended T5 Design: The double ended configuration fits fixtures that accept T5 germicidal tubes with stable electrical contact.
• 🛠 High Transmission Materials: Constructed with UV transmissive glass to maximise germicidal effectiveness.
• ✔ Application Flexibility: Ideal for enclosed air, water and surface sterilisation units where controlled UV C exposure is required.
• ⏱ Reliable Performance: Designed for steady UV C output when used and maintained according to manufacturer recommendations.
Germicidal UV C lamps emit short wavelength ultraviolet radiation that is absorbed by the genetic material of microorganisms. This energy disrupts DNA and RNA structures, preventing replication and rendering the microbes inactive. UV C sterilisation is a chemical free method widely used for professional hygiene control in many sectors.
However, UV C radiation must be contained — direct exposure to skin or eyes can be harmful. Always install the tube in fully enclosed fixtures, and never operate the lamp where people or animals may be exposed.
The CLCN GUV20WD is suited for a range of controlled disinfection uses, including:
✔ Air Purification & HVAC Sterilisation – installed inside ducted units or air purifiers to help reduce airborne microbes.
✔ Water Disinfection Systems – integrated into compact or medium water sterilisation chambers.
✔ Surface Sanitisation Cabinets – for enclosed cabinets used to disinfect tools, equipment, packaging or materials.
✔ Industrial & Laboratory Equipment – supports hygiene control in controlled environments where contamination control is critical.
Pro Tip: UV C effectiveness depends on fixture design, exposure time and proper lamp placement. Always consult your system manufacturer for installation best practices.
| Specification | Details |
|---|---|
| Model | CLCN GUV20WD |
| Technology | UV-C Germicidal Fluorescent Tube |
| Rated Power | 20 W |
| Lamp Type | Double Ended Fluorescent Tube |
| Cap/Base | T5 (Double Ended, system dependent) |
| UV Output | Germicidal UV-C (~254 nm) |
| Intended Use | Enclosed air, water & surface sterilisation |
| Safety | For enclosed systems only |
• Install only in fixtures specifically designed for UV C germicidal use, with full shielding to prevent exposure.
• Never operate this lamp in open or occupied spaces where people, animals or plants could be directly exposed to UV C radiation.
• Ensure fixtures have safety interlocks, shielding and proper housing to contain the UV C energy.
• Replace the lamp at recommended intervals to maintain effective germicidal output.
• Use with compatible ballasts or controls as specified by your UV C system manufacturer.



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