Dimmable

nls GLS E27 240V 42W Halogen Light Bulb Frost

National Light Sources  |  SKU: 10332NLS
Regular price $8.10
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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

The National nls GLS halogen bulb delivers 630lm of 3000K warm white light through a frosted A55 envelope. Rated 240V and 42W, it uses an E27 Edison Screw cap and has a rated average life of 2,000 hours.

Measuring 55mm in diameter and 97mm long, this lamp requires a fitting approved for its lamp type, voltage, dimensions and wattage. Observe the fitting's maximum wattage, ventilation, clearance and protective-cover requirements. Outdoor use requires a complete fitting approved for the location. When dimming, follow the control's halogen rating, minimum and maximum total connected load and derating instructions, counting 42W per lamp. Switch off the electricity supply and allow complete cooling before handling. Dispose of broken glass safely.

 

Key Features

  • GLS A55 halogen lamp
  • Frosted finish
  • E27 Edison Screw cap
  • 240V, 42W rating
  • 3000K warm white light
  • 630lm light output
  • Dimmable
  • 55mm diameter and 97mm overall length
  • 2,000-hour rated average life

 

Specifications

  • Brand: National nls
  • Technology: Halogen
  • Shape: GLS A55
  • Fitting: E27 Edison Screw
  • Voltage: 240V
  • Wattage: 42W
  • Finish: Frost
  • Colour Temperature: 3000K Warm White
  • Lumen Output: 630lm
  • Dimmable: Yes
  • Rated Average Life: 2,000 hours
  • Diameter: 55mm
  • Overall Length: 97mm

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Frequently Asked Questions

What fitting and dimensions does this GLS bulb have?

It uses an E27 Edison Screw cap and measures 55mm in diameter and 97mm long. Use a fitting approved for a 240V, 42W halogen lamp and follow its maximum wattage, ventilation and clearance requirements. An E27 cap is not interchangeable with a B22 bayonet cap.

Is this 42W GLS halogen bulb dimmable?

Yes. Use a control rated for halogen lamps and follow its minimum and maximum load limits and derating instructions. Count 42W per lamp and check the minimum load carefully when using one bulb or a small number of bulbs.

What light does this frosted GLS bulb produce?

It delivers 630lm of 3000K warm white light through a frosted envelope. This is a 42W halogen bulb, not an LED, with a rated average life of 2,000 hours.