Halogen MR16 GU5.3 12V 50W bulb by GREENLUX (model GXPL028)

GREENLUX halogen MR16 GU5.3 12V 50W bulb is a low-voltage directional lamp designed for focused lighting in residential and commercial applications. The MR16 form factor and GU5.3 two-pin base provide a compact light source with a narrow beam suitable for spot and accent fixtures. This 50W halogen lamp produces continuous white light with stable output characteristics compatible with dimmers and common low-voltage transformers used in track, recessed, and display lighting.

Advantages

The MR16 GU5.3 12V 50W bulb delivers consistent luminous output and good color rendering typical of halogen technology, enabling accurate color presentation of illuminated objects. Its compact size and directional beam make it practical for installations requiring precise accenting without large fixtures. The standard GU5.3 base ensures straightforward replacement in existing low-voltage fixtures and compatibility with many dimming systems when paired with suitable transformers.

Suitable for

• Track lighting where focused beams are needed
• Recessed spotlights in ceilings
• Display cabinets and retail shelving illumination
• Accent lighting for artwork, architectural details, or exhibits
• Task lighting in workspaces with low-voltage systems

Key specifications

• Lamp type: MR16 halogen
• Base: GU5.3 two-pin low-voltage connector
• Operating voltage: 12 V
• Power consumption: 50 W
• Beam type: directional / spot
• Suitable mounting: enclosed spot fixtures, track heads, recessed housings
• Typical use: accent, task, and display lighting

How to use

Install the MR16 GU5.3 12V 50W bulb into compatible fixtures with a GU5.3 socket and a 12 V low-voltage supply. Ensure the transformer or driver used matches the lamp’s low-voltage rating and is suitable for halogen loads; electronic or magnetic transformers rated for 12 V halogen lamps are commonly used. For dimming, verify the transformer and dimmer compatibility before connection. Allow adequate ventilation around the lamp and avoid contact with the glass envelope using bare hands; oils from skin can shorten lamp life. Replace the bulb only after switching power off and allowing the lamp to cool.

Usage recommendations

For optimal performance, use this halogen MR16 lamp in fixtures designed for low-voltage directional lamps and pair it with a compatible transformer and dimmer. Avoid enclosed fixtures without adequate heat dissipation when possible, and handle the lamp with a clean cloth or gloves to preserve life and light quality.