Compact and lightweight LED tunnel lighting (for entrance lighting)

Approximately 57% weight reduction from our conventional LED tunnel lighting, miniaturizing the product to reduce labor in construction work and decrease load on civil structures.

last updated Aug 25, 2017

Compact and lightweight LED tunnel lighting (for basic illumination)

Approximately 57% weight reduction from our conventional LED tunnel lighting, miniaturization of the product, and reduction of labor in construction work and load on civil structures.

last updated Aug 25, 2017

KWLED Series LED Tunnel Lighting Fixture (for Basic Lighting)

The LED lifespan is achieved at 90,000 hours. It supports a wide range of conditions with a design speed of 40 to 80 km/h.

last updated Aug 25, 2017

Installation examples of stars and electrical equipment: road information boards, tunnel lighting.

Products from Seiwa Electric are actively used in our everyday living environment.

last updated May 08, 2018

Sign lighting using tunnel lighting fixtures, the first of its kind in the country.

We have delivered sign lighting using tunnel lighting fixtures, the first of their kind in Japan, to the Shin-Meishin Expressway (from Takatsuki JCT/IC to Kobe JCT).

last updated Jul 06, 2018

The first domestic pacemaker light using tunnel lighting fixtures.

We have delivered pace maker lights using tunnel lighting fixtures, the first of their kind in Japan, to the Shin-Meishin Expressway (from Takatsuki JCT/IC to Kobe JCT).

last updated Jul 06, 2018

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

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

last updated Jul 04, 2018

Tunnel Lighting LED Basic Lighting Ceiling Mount (CL) Type

LED tunnel lighting (with initial luminous flux correction function) has been improved to comply with the LED road and tunnel lighting introduction guidelines (draft).

last updated Jul 04, 2018

Tunnel LED Basic Lighting Side Wall Mount (BL) Type

LED tunnel lighting (with initial luminous flux correction function) conforms to the LED road and tunnel lighting introduction guidelines (draft) and improves the fixture luminous flux.

last updated Jul 04, 2018

Manufacturing for the alleviation and resolution of traffic congestion on highways.

Supplied sign lighting and pacemaker lights using the first tunnel lighting fixtures in Japan on the Shin-Meishin Expressway (Takatsuki JCT/IC to Kobe JCT).

last updated Jul 06, 2018

Japan's first! Development of a new tunnel LED lighting system using direct current power supply.

Technologies registered in the New Technology Information System (NETIS) have adopted both the direct current power supply method (CG-170008) and (TH-15008).

last updated Apr 22, 2019

The country's first variable speed limit sign capable of displaying 110 km/h.

In the fiscal year 2018, we delivered the first variable speed limit sign capable of displaying 110 km/h on the New Tomei Expressway nationwide.

last updated Jul 02, 2020

LED tunnel lighting (aluminum housing) for the Ministry of Land, Infrastructure, Transport and Tourism and local governments.

Compact and lightweight LED tunnel lighting fixtures with excellent workability and safety. Achieves higher uniformity compared to our conventional products, featuring a uniform and low-variation light distribution design.

last updated Sep 03, 2020

LED tunnel lighting (aluminum housing) for NEXCO

Compact and lightweight LED tunnel lighting fixtures with excellent workability and safety. Achieves higher uniformity compared to our conventional products, featuring a uniform and low-variation light distribution design.

last updated Sep 03, 2020