LED bulb Osram PAR16 GU10 4.3 W 350 lm 4000 K (Cool white)

Osram PAR16 GU10 LED bulb, 4.3 W with 350 lm luminous flux, delivers cool white light at 4000 K in a compact PAR16 reflector shape. Designed as a professional LED alternative to high-voltage halogen lamps, this GU10 lamp provides a narrow beam (max 36°) suitable for directed spot and accent lighting in both residential and commercial interiors. The lamp is mercury-free, made in Germany, and rated for about 15,000 hours of operation with instant full output and a power factor of 0.5.

Advantages

The Osram PAR16 GU10 4.3 W offers reduced energy consumption compared with equivalent halogen reflectors while maintaining focused illumination for displays and task areas. Its compact full-glass design with a single optic allows straightforward replacement of halogen GU10 reflectors without modifying fixtures. With instant 100% light and a rated life of approximately 15,000 hours, the lamp is suitable for applications that require reliable, long-lasting spot lighting.

Suitable for

• Shop displays and merchandise spotlighting
• Hospitality lighting in hotels and restaurants
• Museums and galleries for accent lighting of exhibits
• Residential downlights and track lighting for kitchens or living areas
• Highlighting walkways, doors, stairs, and architectural details
• Display cabinets and shop windows

Key specifications

• Cap / fitting: GU10 reflector (PAR16) designed for 220–240 V, 50–60 Hz
• Rated power consumption: 4.3 W
• Luminous flux: 350 lm
• Colour temperature: 4000 K (cool white)
• Beam angle: maximum 36° for directed spot lighting
• Color Rendering Index (CRI): 80
• Rated lifetime: approximately 15,000 hours
• Construction: compact full-glass reflector with single optic; mercury-free
• Suitable for use as a direct halogen replacement in compatible fixtures

How to use

Ensure the luminaire is switched off and cool before replacing a lamp. Insert the GU10 base into the socket and rotate until it locks securely. Use the lamp in fixtures rated for mains voltage (220–240 V) and compatible with reflector-type GU10 bulbs; ensure the fixture provides adequate ventilation and is suitable for the rated beam and heat dissipation. The lamp provides instant full output at power-on and requires no warm-up time.

Usage recommendations

For best results use in recessed downlights, track heads or display luminaires with compatible GU10 sockets and clear optical covers to preserve the narrow beam. Avoid use in enclosed fixtures that do not allow heat dissipation beyond the manufacturer's recommendations. For outdoor applications, install only in suitable weatherproof luminaires. When replacing halogen lamps, verify beam angle and luminous flux to maintain the intended visual effect and ensure adequate color rendering for products or exhibits.