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12V 50W MR16 Halogen Light Bulb in Warm White 3000K GU5.3 680lm 2500h Dimmable

  • 10 or more £2.50
  • 20 or more £1.80
Model No. M258 by: Sylvania
Availability: Usually 3-5 days



Free delivery

(over £100+VAT, applies to zones A and B only, £6+VAT otherwise)

This is a low voltage MR16 GU5.3 50W halogen light bulb offering a warm white light (3000K) and having a 2500h lamp life. 

  • Technology: Halogen
  • Model: Sylvania 0021823
  • Energy class: B
  • Energy saving lamp: No
  • Average life (Rated): 2500h
  • Lamp shape: Reflector
  • Lamp finish: Dichroic
  • Dimmable: Yes
  • Cap/Base: GU5.3
  • Type: MR16
  • Product name: MR16 HM 12V 50W 38° GU5.3 SV1
  • Lamp mercury content: 0mg
  • Starting time (max): 0s
  • Warm-up time to 60% of full light (max): Instant Full Light
  • Control gear required: Yes
  • Fixture rating: Open
  • IEC Reference: IEC 60357, IEC 60432-3, IEC 60630
  • Intended purpose: General lighting
  • No. of switching cycles before premature failure (min): >10000
  • Special purpose lamp: No
  • Transformer required: Yes

Optical data

  • Light colour: 829 Warm white
  • CRI: 100Ra
  • Beam angle (Rated): 38deg
  • Suitable for accent lighting: Yes
  • Colour temperature: 3000K
  • Useful luminous flux (Rated): 680lm
  • Lumen maintenance at end of nominal life: 80%
  • Peak intensity: 1900cd

Electrical data

  • kWh per 1000 hours burning time: 53
  • Wattage: 50W
  • Voltage: 12V
  • Lamp power factor: 1

Physical data

  • Weight: 0.03kg
  • Lamp Length (mm): 45
  • Max. Lamp Diameter: 50mm
  • Lamp dimension equal to filament lamp equivalent: Yes
  • Designed for optimum use in non standard conditions: No
Lights Specific
Base GU5.3
Colour White
Dimmable yes
Energy Type Low Voltage 12V
Fire Rating 680lm
IP Rating IP20
Lamp Style Contemporary
Lamp Type MR16
Number of Lamps 1
Projection 50
Rooms Living Room, Office
Tasks Ceiling
Total Wattage 50
Wattage 50
Zone Rating 3

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Sparks Direct delivers via courier to the UK only; the standard delivery charge is £6 + VAT for all orders under £100 + VAT. If your order is over £120, you get free delivery (unless there's a special delivery charge for the items you wish to order or you're in shipping zone C or D). Full details for shipping charges can be found via Terms and Conditions.

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