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C66-3340-B2K - reliable LED luminaire for illumination of premises, requiring very stable and constant illumination level during the whole luminaire lifetime. Luminaires of “C” type can maintain the nominal luminous flux during the whole operation period and compensate for the change of parameters when the ambient temperature changes. Due to high quality components and professional approach to design, this model provides the luminous flux of 3300 lm during the whole operation period.

LED aging compensation is implemented in the driver as an additional node, which calculates the time, during which the luminaire has been operating from the moment of its release, and adjusts the values of the current, supplied to the LEDs. As far as degradation is typical for LEDs, as well as for other lighting elements, a reserve of parameters and a microcontroller system have been created to control and to compensate for these processes in luminaires of “C” type.

Quality LEDs by OSRAM Opto Semiconductors provide high-quality luminous flux in full compliance with the stated parameters including both light spectrum components and luminous flux stability throughout the whole operation period.

Metal case guarantees reliability and long lifetime. Case dimensions ensure the most rational variants in lighting.

Smooth opal diffuser provides uniform light diffusion. This model is recommended for rooms with ceilings height less than 3m. The use of diffuser made of high quality material ensures the absence of its surface yellowing during luminaire operation period.

Driver modification is designed with account of requirements of the Cabinet of Ministers of Ukraine Resolution #992 from October 15, 2012 to LED luminaires, purchased through competitive biddings announced by state organizations.

LED luminaire by VTN meets the requierements of  TU 27.4-13317508-012:2014, EMC Directive 2004/108/EC and Directive 2006/95/EC (LVD), EN IEC 60598-1:2014, EN IEC 60598-1:2002, EN IEC 60598-2-2:2007, EN CISPR15:2007, EN IEC 61547-2001, EN IEC 61000-3-2:2008, EN 61000-3-3:2012, GOST 17677-82. Warranty period for all LED luminaires is 5 years from the date of sale. Luminaire lifetime - 50 thousand hours.

Technical documents
Luminous flux: 
3300 lm
Color temperature: 
4000 К
Colour rendering index CRI (Ra): 
> 80
23 W
Type of diffusor: 
Outer surface of the glass: 
Luminous flux (width): 
Power factor: 
No less than 0,90
Ripple factor of light: 
No more than 5%
600x600 mm
Local illumination,
Education institutions,
Offices, business centers