12V Dimmable

LUSION MR16 LED Light Bulb GU5.3 12V 5W Warm White 20050

Lusion | SKU: 20050

$18.40

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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

80%

Cutting electricity costs by up to 80% compared to incandescent bulbs.

20,000H

Rated for 20,000 hours — long-lasting performance with minimal maintenance.

Replace your 35W halogen MR16 spotlights with the LUSION MR16 LED Light Bulb in Warm White. This 5W GU5.3 LED delivers 500 lumens of warm 3000K illumination with a focused 60° beam angle — ideal for recessed downlights, track lighting, and accent applications in low-voltage lighting systems.

⚠️ Important: This bulb operates on 12V AC/DC only. It is not suitable for use on 240V mains power. Please ensure your fixture uses a 12V transformer or driver before purchasing.

Key Features:

Replaces 35W GU5.3 halogen MR16 at only 5W
3000K warm white — soft, inviting light for downlights and accent lighting
500lm output with focused 60° beam angle
Full glass construction
Fully dimmable
20,000H rated lifespan
12V low-voltage operation

Specifications:

Fitting/Base: GU5.3
Wattage: 5W (35W equivalent)
Voltage: 12V
Colour Temperature: 3000K
Lumen Output: 500lm
Beam Angle: 60°
Rated Life: 20,000H
Dimensions: Ø50 x 47mm
Dimmable: Yes

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Frequently Asked Questions

Is this MR16 LED bulb suitable for 240V mains power?

No, this MR16 LED bulb operates on 12V only and is not suitable for use on 240V mains power. It requires a 12V transformer or driver. Using it on 240V will damage the bulb and may create a safety hazard. Please ensure your fixture uses a 12V low-voltage system before purchasing.

Is this GU5.3 MR16 LED dimmable?

Yes, this MR16 LED bulb is dimmable. For smooth dimming performance, ensure your 12V transformer is compatible with LED dimming. Magnetic (iron core) transformers generally work well with LED dimmers, while some electronic transformers may cause flickering. We recommend testing compatibility before full installation.

What halogen bulb does this MR16 LED replace?

This 5W GU5.3 MR16 LED is a direct replacement for a 35W GU5.3 MR16 halogen spotlight. It fits the same GU5.3 bi-pin base and delivers equivalent warm white output with a 60° beam angle at up to 85% less energy consumption, with a significantly longer 20,000-hour lifespan and without the intense heat generated by halogen MR16 bulbs.