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Advanced EOS Protection System

The LED is a very sensitive device with regard to certain external factors. In particular, electric overstresses (the so-called EOS) are caused by electrical transient events, namely voltage and current phenomena characterized by values ​​higher than the maximum ones ​​accepted by the LED modules.

Currents can pass through the LED series in two ways: in differential mode and common mode. If the currents in differential mode, which are highly destructive, are eliminated by modern and more efficient power supplies, those in common mode are the sneakiest as they depend on the topology of the printed circuit and the materials used. Therefore, being difficult to eliminate, this phenomena can be destructive for LED modules.

The LEDs affected by these parasitic currents stop functioning even if visually they appear in excellent conditions, perfectly clean and free of burns or yellowing of the primary lens. In order to reset the lighting fixture, it is necessary to change the LED module involving the removal of the fixture and its complete replacement, with evident inconvenience and additional expenses. Moreover, the problem may occur again if it is not resolved upstream.

Niteko’s engineers have identified this problem through field analysis and testing, so they have studied an exclusive technological solution to protect the lighting fixtures against electrical stresses: this is called Advanced EOS Protection System and allows to eliminate almost all failures caused by EOS. Thus, Niteko products can be defined as “EOS free” and result in being the most reliable lighting fixtures in the industry with a failure rate of less than 0.2% per year.

This has allowed Niteko to be the world’s first manufacturer to introduce lifetime warranty for its entire range of products.

In order to reset the lighting fixture, it is necessary the replacem entof the LED module which involves the removal of the lighting fixture and its complete replacement with evident inconvenience and additional expense. Moreover, the problem may occur again if it is not resolved upstream.