The fixture adopts an Ex d I Mb flameproof structure, with a high-hardness cast steel shell that has a compressive strength of 1200MPa, effectively resisting impact from falling rocks and mining equipment in underground tunnels, eliminating the risk of shell rupture and ignition. The high-power COB LED chip provides 12,000 lumens of high brightness, with a 100° beam angle that can illuminate a 50-meter-long tunnel section evenly, solving the problem of dark areas in long-distance mining tunnels. It adopts a unique heat dissipation design with a finned heat sink and air convection structure, which can quickly dissipate heat in the closed underground environment, reducing LED temperature by 20°C compared to ordinary mining explosion-proof lights, and extending service life to 60,000 hours. The IP68 protection rating allows it to be immersed in water for up to 2 meters for 24 hours, adapting to flooded mining tunnels and humid underground environments. Additionally, it has a built-in surge protection function, which can withstand lightning strikes and power grid fluctuations common in mining areas, ensuring stable operation of the fixture.
The mining flameproof LED tunnel light has a rated power of 100W, with dual input voltage options of AC127V and AC380V, adapting to different underground mining power grid systems. Its overall dimensions are 380mm × 260mm × 200mm, and it weighs 12.3kg, ensuring stable installation without falling off in vibrating mining tunnels. The color temperature is set at 4500K warm white, which improves visual comfort in the dim underground environment and reduces the risk of worker fatigue and accidents. The flameproof structure complies with Ex d I Mb standards, allowing use in underground coal mines and other I-class explosive hazardous areas. The COB LED chip has a luminous efficiency of 120lm/W, achieving 65% energy savings compared to traditional mining incandescent lamps. The cast steel shell is treated with anti-rust spraying, resisting corrosion from underground water and mine dust, with a service life of more than 15 years. It is equipped with a specialized tunnel mounting bracket that can be adjusted at a 30° angle, adapting to different tunnel heights and lighting needs. The fixture also has a built-in emergency backup function, which can provide 30 minutes of lighting when the power is cut off, ensuring safe evacuation of workers.
This product is specially designed for underground mining hazardous areas, including underground coal mines, iron ore mines, copper mines, and other non-metal mines. In underground coal mine tunnels, it provides continuous and uniform lighting for excavation faces, transportation lanes, and ventilation shafts, ensuring safe operation of mining equipment and personnel movement. In metal mine underground tunnels, its high-hardness cast steel shell resists impact from ore and rock fragments, maintaining stable lighting for ore transportation and drilling operations. It is also suitable for flooded mining tunnels, with an IP68 protection rating that allows normal operation in water-filled environments, providing lighting for water drainage and rescue work. In non-metal mines such as limestone mines, it adapts to dusty underground environments, ensuring clear visibility for blasting and processing operations. Additionally, it can be used in underground mine emergency rescue passages, providing reliable lighting for rescue teams in emergency situations. Its MA certification meets China's coal mine safety standards, making it a mandatory lighting fixture for legal coal mining enterprises.
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