OSRAM LED Bulb E27 4 W - Silver
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Product Information
Full details
This OSRAM E27 LED bulb is ideal for decorative lighting in lamps without shades, offering a glare-free, warm white light. Its key benefit is the mirrored head, which prevents direct glare while providing a comfortable ambiance. A caveat is its energy efficiency rating of F. The bulb features filament technology for a classic look, consumes only 4W, and boasts a long lifespan of up to 15,000 hours and 100,000 switching cycles. It provides instant full light, is mercury-free, and is a direct replacement for 35W incandescent bulbs.
All features
| Colour | Silver |
|---|---|
| Energy Efficiency | F |
| Model Part Number | 4058075435322 |
| Brand | Osram |
Extended Product Information
FAQs
What is the main advantage of the mirrored head?
The mirrored head is designed to prevent direct glare, directing light upwards and outwards for a softer, more comfortable illumination, making it ideal for lamps without shades.
Is this bulb dimmable?
No, this OSRAM E27 LED bulb is not dimmable. Using it with a dimmer switch is not recommended and may lead to malfunction.
What is the color temperature of this bulb?
The color temperature is 2700 Kelvin (K), which is classified as warm white, providing a cozy and relaxing light.
How long will this bulb last?
The bulb has a rated lifespan of up to 15,000 hours and can withstand up to 100,000 switching cycles.
Is this bulb suitable for outdoor use?
Yes, it can be used outdoors, but only when installed in suitable, weatherproof lamps or fixtures to protect it from the elements.
What is the energy efficiency class of this bulb?
This bulb has an energy efficiency class of F, according to the EU energy labeling scale.
Does this bulb contain mercury?
No, this LED bulb is 100% mercury-free, making it a safer and more environmentally conscious choice.
Troubleshooting
Bulb does not turn on
Ensure the bulb is screwed in securely. Check that the power supply is active and the light switch is on. Verify the E27 socket is functioning correctly by testing with another compatible bulb.
Flickering light
Confirm the bulb is not being used with a dimmer switch, as this model is non-dimmable. Check for loose connections in the light fixture or power supply. If the issue persists, the bulb may be faulty.
Bulb turns on slowly or flickers during warm-up
This bulb provides instant full power and should not have a warm-up time. If this occurs, try a different bulb to rule out fixture issues, or contact customer support if the bulb appears defective.
Pros and Cons
Pros
- Glare-free illumination due to the mirrored head.
- Creates a warm and inviting atmosphere.
- Energy-efficient, consuming only 4W.
- Long operational life reduces maintenance and replacement costs.
- Instantaneous light output upon switching on.
- Environmentally friendly as it is mercury-free.
Cons
- Energy efficiency class F may not be suitable for all energy-conscious applications.
- Not dimmable, limiting lighting control options.
- The mirrored head might not be suitable for all fixture types or desired light distributions.
- Lower luminous flux (400 lm) compared to higher-wattage or non-mirrored bulbs.
Setup, Compatibility & Care
Setup:
- Ensure the light fixture is switched off and has cooled down if it was previously in use.
- Screw the OSRAM E27 LED bulb clockwise into the E27 socket until it is securely fitted.
- Switch the power back on to operate the bulb.
Compatibility:
- Socket Type: Compatible with standard E27 screw-in sockets.
- Voltage: Operates on 220-240V mains voltage.
- Fixture Type: Best suited for lamps without shades due to its mirrored head design. Can be used outdoors if installed in a suitable, weatherproof fixture.
- Dimmability: This bulb is not dimmable. Using it with a dimmer switch may cause flickering or damage the bulb.
Care:
- Cleaning: Always ensure the bulb is switched off and cool before cleaning. Wipe gently with a dry or slightly damp, soft cloth. Avoid using abrasive cleaners or solvents.
- Environment: Operates best within an ambient temperature range of -20°C to 40°C. Ensure adequate ventilation around the bulb, especially in enclosed fixtures, to prevent overheating.