OSRAM Halogen Lamp Decostar 51S - Silver - B

Pack of 10 OSRAM Decostar 51S Halogen Lamp. Specifications: 12 V, 20 W, GU 5.3 base, 36° beam angl...

Best current price£113.22from OnBuy.com

One Offer

1 offer from £113.22

View price history by clicking the chart icon.

OnBuy.comOsram Pack Of 10 Decostar 51S Halogen Lamp 12 V 20 W Gu 5.3 36°
Free delivery in 1–3 days
£113.22
Visit shop

Product Information

Full details

This guide is for individuals seeking reliable and efficient lighting solutions for residential or commercial spaces. The OSRAM Decostar 51S Halogen Lamp offers a bright, 36° beam angle perfect for accent lighting and general illumination, with a significant advantage in its 2000-hour average lifespan. A minor consideration is its energy efficiency class of 'B', which is less efficient than LED alternatives, though it provides superior light quality and instant brightness.

All features

ColourSilver
Energy EfficiencyB
Model Part NumberC-44860
BrandOsram

Extended Product Information

FAQs

What is the average lifespan of the OSRAM Decostar 51S?

The OSRAM Decostar 51S Halogen Lamp has an average lifespan of 2000 hours.

What type of base does this lamp have?

This lamp features a GU 5.3 base, which is a standard two-pin connector.

What is the beam angle of this lamp?

The lamp has a 36° beam angle, providing a focused light pattern.

Does this lamp require a transformer?

Yes, as it operates at 12V, it requires a compatible 12V transformer.

How should I handle the lamp during installation?

Always handle the lamp with a clean cloth or the provided packaging to avoid transferring oils from your skin to the glass, which can shorten its lifespan.

What is the energy efficiency class?

The energy efficiency class for this lamp is 'B'.

Can I use this lamp outdoors?

These lamps are typically designed for indoor use. Ensure your fixture is rated for outdoor use if installation is planned in an exposed environment.

Troubleshooting

Lamp does not turn on

Ensure the power is on. Check that the lamp is securely seated in the socket and that the 12V transformer is functioning correctly. Test with a known working bulb if possible.

Lamp flickers intermittently

This could indicate a loose connection, a failing transformer, or the end of the lamp's lifespan. Check connections and consider replacing the transformer or the lamp.

Lamp burns out quickly

Avoid touching the glass with bare hands during installation, as oils can cause hot spots. Ensure the voltage matches the fixture and transformer. Check for vibrations or excessive heat in the fixture.

Dim light output

Verify the correct wattage lamp is installed. Check the transformer's capacity; an undersized transformer may not provide sufficient power. Ensure the fixture and lamp are clean.

Pros and Cons

Pros

  • Long average lifespan of 2000 hours
  • Consistent and high-quality light output
  • Instant on, no warm-up time required
  • Standard GU 5.3 base for broad compatibility
  • Focused 36° beam angle for accent lighting

Cons

  • Energy efficiency class 'B' is lower than LED alternatives
  • Halogen technology generates heat
  • Requires a transformer for 12V operation
  • Not dimmable with all dimmer types
  • Shorter lifespan compared to modern LED bulbs

Setup, Compatibility & Care

Setup: These lamps use a GU 5.3 base, which is a standard two-pin connector. Ensure the power to the fixture is turned off before attempting to replace a bulb. Gently align the pins with the socket and push upwards until the lamp is seated. For 12V lamps, ensure a compatible 12V transformer is used. Handle the lamp with a clean cloth or the original packaging to avoid transferring oils from your skin, which can shorten the lamp's life.

Compatibility: The GU 5.3 base is compatible with most fixtures designed for MR16 or similar halogen capsules. It operates on a 12V system, so verify your lighting fixture is equipped with or compatible with a 12V transformer. The 'B' energy efficiency class is a consideration for direct comparison with LED alternatives.

Care: Halogen lamps require minimal care. Avoid frequent on/off switching, as this can reduce the lifespan. Keep the lamps clean and free from dust. If a lamp appears dim or flickers, check the connection to the socket and ensure the transformer is functioning correctly.

Price History

DatePrice
Visit shop