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  6. Tunnel lighting LED entrance lighting (with initial luminous flux correction function)

Tunnel lighting LED entrance lighting (with initial luminous flux correction function)

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KWLED320 16B-SS

last updated:Oct 23, 2025

星和電機
星和電機
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Developed high-capacity, high-efficiency tunnel entrance lighting using white LEDs as the light source, achieving whitening similar to existing ceramic metal halide lamps.

By adopting long-life, high-efficiency white LEDs as the light source and incorporating an initial luminous flux correction function, we achieve low maintenance and energy-saving properties. ○ It can reduce power consumption and CO2 emissions. ○ Maintenance work that requires traffic regulation can be minimized. Maintenance tasks that involve traffic regulation, such as lamp replacement, can be reduced. 1. Long lifespan: 20 years, with only one replacement of the LED and control device, lifespan of 75,000 hours. The LED module has a long lifespan of 75,000 hours, allowing for maintenance-free operation for over 20 years with 10 hours of daily (daytime) lighting. 2. Lineup: Available in four types of light source capacities (80W, 160W, 240W, 320W), covering brightness equivalent to existing HID light sources (CMT, NHT, etc.). 3. Initial luminous flux correction function: A timer-based system is used for initial luminous flux correction to adjust for excessive initial luminous flux.

    LED lighting
トンネル入口照明.JPG

Tunnel lighting LED entrance lighting (with initial luminous flux correction function)

トンネル入口照明.JPG
トンネル入口照明.JPG IMG_0005-1.JPG 図1.JPG 図2.JPG 図3.JPG 舞鶴若狭自動車道御岳山トンネル-1.jpg
  • Hoshi and Electric Co., Ltd.
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A high-capacity, high-efficiency LED entrance lighting system using white LEDs as the light source has been developed, achieving white light similar to existing ceramic metal halide lamps. 1. Long lifespan: 20 years, with only one replacement of the LED and control device; lifespan of 75,000 hours. The LED module has a long lifespan of 75,000 hours, allowing for maintenance-free operation for over 20 years with 10 hours of daily use (during the day). 2. Lineup: Available in four types of light source capacities (80W, 160W, 240W, 320W), covering brightness equivalent to existing HID light sources (CMT, NHT, etc.). 3. Initial luminous flux correction function: A timer-based system is used for initial luminous flux correction to adjust for excessive initial luminous flux.

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Applications/Examples of results

It is being used in general road tunnels.

Detailed information

  • IMG_0005-1.JPG

    LED Entrance Lighting 160W Type LED Entrance Lighting (with Initial Luminous Flux Correction Function)

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Tunnel lighting of Hoshi and Denki

Tunnel lighting of Hoshi and Denki

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Case Studies of LED Lighting Equipment Installation - Tunnel Lighting

Case Studies of LED Lighting Equipment Installation - Tunnel Lighting

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Case Studies of LED Lighting Equipment Installation for Road Lighting

Case Studies of LED Lighting Equipment Installation for Road Lighting

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LED Lighting Equipment Installation Case Studies Vol. 4

LED Lighting Equipment Installation Case Studies Vol. 4

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LED tunnel lighting - Compact and lightweight LED tunnel lighting with excellent workability and safety.

LED tunnel lighting - Compact and lightweight LED tunnel lighting with excellent workability and safety.

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Company information

星和電機

星和電機

Industrial Electrical Equipment

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Hoshia Electric has established itself as a top manufacturer in various business fields, including information display systems such as road information boards, industrial lighting known for its waterproof and explosion-proof features under the name "Water Pearl," tunnel lighting that began with the full-scale installation in the Kanmon Tunnel, and resin products represented by "Cutting Duct." As a new business, we started the electromagnetic noise countermeasure (EMC) product business in 1997 to address electromagnetic noise issues arising from digital devices. In the LED business, we successfully developed a blue light-emitting diode in April 2002 and a white light-emitting diode in December of the same year. Based on these technologies, we are actively expanding our business in the field of LED lighting fixtures, ranging from roads and tunnels to industrial lighting. On March 9, 2018, Hoshia Electric Co., Ltd. was listed on the First Section of the Tokyo Stock Exchange. In April 2022, we transitioned to the Tokyo Stock Exchange Standard Market. Moving forward, we will continue to leverage our unique creativity and technological capabilities cultivated over the years to develop even more innovative products and strive for business expansion. Back to the roots of manufacturing "From the Kyoto to the world"

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