The most critical feature of this signal light is its Ex d IIB T6 explosion-proof certification, which ensures it can be safely used in environments with flammable gases such as methane and propane, preventing sparks from igniting hazardous substances. The high-temperature resistant COB LED chips can operate stably at temperatures up to 80℃, adapting to the high-temperature environment in deep mining tunnels. The IP68 protection grade and acid-alkali resistant coating ensure it can withstand long-term immersion in water and corrosion from chemical substances, extending its service life by 30% compared to ordinary signals. The built-in emergency backup power supply can support continuous operation for 4 hours during power outages, ensuring traffic guidance and evacuation safety in emergency situations. Additionally, the high-brightness LED chips provide uniform light emission in dark tunnels, eliminating blind spots and enhancing driving safety.
The overall size of this explosion-proof signal light is 400mm×400mm×120mm, with each light module measuring 150mm in diameter. It uses high-temperature resistant COB LED chips with a brightness of 6000cd per module, ensuring clear visibility up to 1200m in dark tunnel environments. The rated power is 30W, with a standby power consumption of less than 4W. It supports AC 127V/220V input voltage, adapting to power standards in mining and chemical industries. The explosion-proof housing is made of cast aluminum with a seamless sealing structure, achieving Ex d IIB T6 explosion-proof grade and IP68 waterproof performance. It can withstand vibration up to 10G, ensuring stability in mining tunnels with heavy vehicle vibration. The built-in 12V/20Ah lead-acid battery provides emergency power supply for 4 hours, and the service life of the LED chips is over 70,000 hours.
This product is mainly applied to underground mining tunnels, chemical plant production tunnels, urban river-crossing tunnels, and mountain tunnels with high humidity and corrosive gases. In coal mining tunnels, it provides safe traffic guidance for mining trucks and personnel transport vehicles, avoiding collisions and ensuring production safety. In chemical plant tunnels, its explosion-proof performance prevents fire and explosion accidents caused by electrical sparks, protecting workers and equipment. For urban river-crossing tunnels with high humidity, the acid-alkali resistant coating and IP68 protection grade ensure long-term stable operation without rust or water damage. Additionally, during tunnel maintenance or power outages, the emergency backup power supply provides continuous traffic guidance, ensuring safe evacuation of personnel and vehicles.
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