Dimmable

GLS E27 240V 40W Incandescent Light Bulb Crown Silver

Double Bay Hardware  |  SKU: GLSSILVERTOPE2740W
Regular price $10.10
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Light Bulb Fittings

The light bulb fitting is the part of the bulb that connects it to the socket of a light fixture.

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Colour Temperature

Colour temperature is measured in Kelvin (K) – the lower the number, the warmer the white light appears, while a higher Kelvin will appear cooler. Colour temperature generally ranges from 2700-3300K (warm) to 3300-5300 (cool) – and 6500K is daylight.

Check details of colour temperature

Equivalent Wattages Between Different Light Bulbs

As long as the technology developed, a LED light bulb can only use 8 watt power but light up similar brightness when a incandescent light bulb uses 60 watt power. There is equivalent wattage between different light bulbs. To stop making confuse, you need to know what wattage equivalent to each other. See the table attached as below.

Check table chart

This GLS incandescent bulb combines a mirrored silver crown with clear lower glass and an E27 screw cap. Its reflective crown creates a distinctive decorative appearance, offering an alternative to fully clear or frosted GLS bulbs with warm 2700K light.

Measuring 55mm in diameter and 97mm in overall length, this 240V, 40W bulb has a 1,000-hour rated average life. Match the supply voltage and use a complete fitting approved for a 40W incandescent lamp, with suitable heat tolerance, ventilation and clearance. For multi-lamp fittings, check both the per-socket wattage limit and the complete fitting's total load. When dimming, check the control's incandescent-lamp rating and minimum and maximum total connected load; a single 40W bulb may fall below the minimum. Switch off the power and allow the bulb to cool before replacement.

 

Key Features

  • Traditional GLS incandescent bulb
  • Mirrored silver crown with clear lower glass
  • E27 Edison screw cap
  • 240V, 40W rating
  • 2700K warm white light
  • Dimmable
  • 55mm diameter and 97mm overall length
  • 1,000-hour rated average life

 

Specifications

  • SKU: GLSSILVERTOPE2740W
  • Type: Incandescent Light Bulb
  • Shape: GLS
  • Fitting: E27 Edison Screw
  • Voltage: 240V
  • Wattage: 40W
  • Finish: Crown Silver
  • Colour Temperature: 2700K Warm White
  • Diameter: 55mm
  • Overall Length: 97mm
  • Rated Average Life: 1,000 hours
  • Dimmable: Yes

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Frequently Asked Questions

Can I dim this 40W crown-silver bulb?

Yes, this incandescent bulb is dimmable. Check the dimmer's incandescent-lamp rating and minimum and maximum total connected load. A single 40W bulb may fall below the minimum load, so include all connected lamps when calculating the total.

Will this bulb fit my E27 decorative light or sconce?

Your fitting must accept an E27 Edison screw cap, operate at 240V and permit a 40W incandescent lamp. Allow clearance for the 55mm diameter and 97mm overall length, with adequate ventilation and heat tolerance. Check both the per-socket wattage limit and total fitting load.

How is a crown-silver bulb different from a clear or frosted bulb?

This bulb has a mirrored silver coating over the crown and clear glass below, creating a different decorative appearance from a fully clear or frosted bulb. It provides warm 2700K light and has a 1,000-hour rated average life.