الترباس الكهربائي الآمن من الفشل مخصص للباب الزجاجي بدون إطار بالكامل YLI YB-500U(LED) Fail safe electric bolt is for fully frameless glass door

https://www.bezpeka-shop.com/download/no-wm-manuals/yli-electronic-yb-500u-led.pdf

YB-500U (LED) is an all-metal construction electric bolt .specially designed for fully frameless glass doors. It can be worked bear the temperature of 60 ℃ or -40 ℃ The bolt of the lock is made of 304 stainless steel solid bar with 1000kg holding force and anti-burglar design. With the multiple designs of durable magnetic valve, special photoelectric control system, LED Indicator ,Door statue signal output contact,ultra-low temperature and power consumption design, anti-intrusion and smart circuit.

http://old.yli.cn/d/file/en/product/Electric-Bolt/2016-10-27/e7e4d0435abc9e7d2ded8e3ec53aa2bf.pdf