Bulb LED 38W E27 Cool White
Whether you're lighting up a home office, brightening a retail space, or simply giving your lounge a more welcoming glow, the Bulb LED 38W E27 Cool White is the kind of lighting workhorse every South African needs. Energy-efficient, impressively bright, and made for everyday indoor use — this bulb strikes the balance between functionality and cost-saving ideal for today's lighting-conscious household or business.
Down here in Polokwane, one of our customers recently redid her workspace with a few of these cool white LEDs. She mentioned how even in overcast weather, the bulb gave her the clarity she needed to focus without harsh shadows. Best part? Her electricity bill didn't budge.
Pros & Cons
Pros
- Extremely bright: 3420 lumens output for large indoor spaces
- Low 38W power draw reduces overall energy consumption
- Cool white 4000K light is ideal for visibility and ambiance
- Sturdy construction using PP and PBT materials increases durability
- Standard E27 fitting fits conventional screw-in sockets
- Groups well in chandeliers, pendant fittings or large overhead setups
- Perfect alternative to outdated CFL or halogen equivalents
Cons
- Too large for compact or decorative fittings
- Not suitable for outdoor or humid areas (IP20 only)
- Cool white may feel less cosy in relaxing environments
- No dimmable function — static brightness only
Why We Love This
Practical Everyday Use
Loadshedding may come and go, but when the power is on, you want reliable and efficient lighting that doesn’t hike your electrical spend. The Bulb LED 38W E27 Cool White delivers strong clarity in living rooms, workspaces, and dining areas — perfect for keeping your spaces feeling bright, even during the night shift or on low-light rainy afternoons.
Micro-summary: Powerful, efficient, and easy to install — everything a hardworking LED bulb should be.
Installer Tip: Install in open fixtures for optimal light diffusion — avoid sealed or narrow domes.
Smart Design Details
Boasting a practical plastic and heat-resistant PBT body, this LED bulb handles typical indoor South African conditions like summer heat and dusty interiors with ease. The 4000K colour temperature is bright without being clinical, while the IP20 rating ensures it’s built exclusively for indoor spaces with stable environments.
Micro-summary: Designed for South African indoor use with strength, clarity and cost-saving in mind.
Practical Note: Avoid moisture-prone areas like enclosed bathrooms or patios with this indoor-rated bulb.
Who It’s Perfect For
Ideal for home offices, lounges, retail stores, cafés, small business owners, and anyone needing consistent, high-output light in a standard indoor fitting. Also a smart pick for property managers equipping rentals or showrooms with minimal maintenance bulbs that last.
Micro-summary: Great for hard-working, frequently used indoor spaces where brightness and clarity matter.
How It Compares to Alternatives
Compared to older CFLs or 60W incandescent options, this LED delivers triple the light with a fraction of the electricity. And while 3000K warm whites evoke cosiness, 4000K cool white offers sharp, task-friendly illumination that’s ideal where detail matters. More lasting, more robust, and more efficient than halogen?
Yes. Every day of the week.
| Feature | Why It Matters |
|---|---|
| 3420 Lumens Output | Brilliant for brightening large rooms or high ceilings |
| Cool White 4000K | Crisp, clean colour ideal for work, reading, or focus spaces |
| PP/PBT Casing (IP20) | Durable indoor-ready materials offering good heat resistance |
What to Pair This With
Pair this powerful bulb with our LED Bulbs range for different colour temperatures and sizes, or browse our Office Lighting collection to kit out your workspace with matching luminaires. If you’re stocking up for home, see our Lounge Lighting section for ideal fixtures.
For safety, wiring, and compliance details, refer to official SABS standards.
Frequently Asked Questions
Is this bulb suitable for outdoor use?
No, this bulb is IP20-rated and designed for indoor use only. Avoid using in bathrooms or outdoor fixtures.
How bright is 3420 lumens?
Very bright — ideal for large rooms, open-plan spaces, offices, or areas needing high visibility.
Can I use this in standard South African lamp fittings?
Yes, it fits the common E27 screw base used in most SA table lamps and ceiling fittings.
Is the bulb dimmable?
No, this model is not dimmable and is best used where consistent brightness is needed.
What’s the colour tone like at 4000K?
Cool white at 4000K offers clean, neutral lighting – not too warm, not too clinically blue. Perfect for task lighting.
