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  1. Home
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  3. 星和電機
  4. Release of joint box with internal wiring (SBJA series).
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  • Jan 25, 2019
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Jan 25, 2019

Release of joint box with internal wiring (SBJA series).

星和電機 星和電機
Hoshi and Electric Co., Ltd. has been supplying lighting fixtures for numerous roads and tunnels since 1957, when it provided lighting for the Kanmon Tunnel, the world's first underwater tunnel at that time. Road lighting fixtures are mounted on poles, but these poles tend to accumulate moisture, leading to condensation and water droplets. Our company offers a product that protects electrical wiring from moisture and water droplets, the pole-mounted junction box (SB series), which has a proven track record of over 40 years since its release. We are now launching a new addition to our lineup, the "Junction Box with Internal Wiring for Poles" (SBJA series), which makes wiring for road lighting fixtures safe and easy. The "Junction Box with Internal Wiring for Poles" (SBJA series) has a protection rating equivalent to IP68 for waterproofing and dustproofing, making it ideal for the moist environment inside poles. It comes with wiring for safe and easy connections, and inspections are also straightforward. The junction box has a sealed compartment for the breaker and terminal block in some specifications, protecting electrical wiring from moisture and water droplets that accumulate inside the pole. Additionally, the top cover can be opened to measure voltage and insulation resistance.
SBJA Series
SBJA Series
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Seiwa Electric Co., Ltd.
Homepage of Seiwa Electric Co., Ltd.
Joint BOX with Internal Wiring - SBJA series
Overview and Features A waterproof and dustproof plastic box that houses a breaker and terminal block, shutting out moisture and water droplets inside the pole that can cause insulation failure. 1. Breaker operation can be performed without opening the top cover, making installation and inspection work easy. 2. The protection rating against water and dust is equivalent to IP68. It can be submerged in water at a depth of 1 meter for 2 weeks without water ingress into the device. 3. Because it uses a box with excellent airtightness, there is no insulation degradation due to wiring connections.

Related product

SBJA製品写真.jpg

"Joint box with internal wiring for poles" (SBJA series) released.

Joint box with internal wiring for poles, featuring excellent waterproof and dustproof performance, allowing for safe and easy wiring work.

The "Joint Box with Internal Wiring" (SBJA Series) has a protection rating equivalent to IP68 against waterproofing and dustproofing, making it an ideal structure for poles with high humidity. It comes with wiring, ensuring safe and easy connections, and facilitates inspections. The breaker and terminal block are sealed within, protecting the electrical wiring from moisture and water droplets that accumulate inside the pole. Additionally, the top cover can be opened for voltage and insulation resistance measurements. This product incorporates the resin bonding technology "AKI-Lock" from Polyplastics Co., Ltd. It utilizes a new technology that allows for bonding different types of resins and resin to rubber, which was difficult with conventional methods, resulting in improved waterproof performance compared to previous products.

  • Cord Pendant
  • Waterproof, moisture-proof, explosion-proof lighting fixtures
  • Lighting Planning

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CCS3 product photo

The new product "Vehicle Count Sensor CCS3" enables efficient occupancy management of large parking lots.

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Hotron Inc. has launched its new product, the "Vehicle Count Sensor CCS3"! This product is a ceiling-mounted sensor that combines infrared and radar technology. It reliably detects vehicles in both directions with a single unit, accommodating traffic during congestion and vehicle passing, thus achieving efficient occupancy management in large parking lots. Additionally, it can be utilized for exit warning purposes in addition to vehicle counting, contributing to the safe and smooth operation of parking facilities. 'Features' - Improved detection performance against changes in road surface during rainy weather by using both infrared and radar. - Equipped with IP67 waterproof and dustproof performance, making it effective even in salt damage areas. - Various settings can be configured from a dedicated app (for Android devices), with current settings easily visible at a glance. - The base dimensions are the same as the previous model "CCS2," allowing for smooth replacement of existing equipment. *For more details, please refer to the product information, catalog download, or contact us.*

Sep 11, 2026

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I participated in the AMD Embedded Computing Summit Tokyo 2026.

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On August 28, 2026 (Friday), I participated in the "AMD Embedded Computing Summit Tokyo 2026" and showcased a "Gesture Demo" as a partner of AMD. The demonstration introduced a configuration that combines gesture recognition using OpenCV, status reporting with LLM, and one-axis motor control using INtime 7.2 and RSI-ECAT, enabling collaboration between AI, image processing, and real-time control on a single PC. We presented a next-generation PC-based industrial control system that integrates AI, image processing, and real-time control on one PC. <Overview of Demo Participation> https://www.mnc.co.jp/INtime/AMDxINtime/AMDEcsTokyoResults.html <Actual Demo Video> https://youtu.be/JmZke75_y0s <AMD CPU + INtime RTOS Introduction Page> https://www.mnc.co.jp/INtime/AMDxINtime/amdxintime.html #PC #RealTimeOS #IndustrialPC #AI

Sep 10, 2026

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[Data] Shirutoku Report 123 # Current Measurement for Switching Evaluation

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This time, I would like to talk a little about current measurement in the switching evaluation of power semiconductors (including power devices and power modules).

Sep 10, 2026

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KSI EXPO 2026 Measurement and 3D Measurement Spatial Digital Comprehensive Exhibition September 16, 2026 (Wednesday) 10:00 AM to 5:00 PM

KSI EXPO 2026 Measurement and 3D Measurement Spatial Digital Comprehensive Exhibition September 16, 2026 (Wednesday) 10:00 AM - 5:00 PM Osaka City Central Public Hall (1-1-27 Nakanoshima, Kita-ku, Osaka)

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From measurement instruments to point cloud processing and analysis software, the latest solutions come together! We propose numerous cutting-edge technologies and products that solve on-site challenges in a one-stop manner. It's not just about seeing; it's about experiencing, consulting, and bringing it back to the field. At the venue, we will showcase the latest measurement instruments and solutions, including 3D laser scanners, handheld 3D scanners, LiDAR drones, and 3DGS (Gaussian Splatting). Additionally, we will announce surprise new products!

Sep 09, 2026

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We have published an article comparing and ranking six system construction manufacturers for 2026 on the Select Beam special site.

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We have updated the article on the website of the semi-custom system construction "Select Beam." When planning factories, logistics warehouses, and stores, "system construction" has become an effective means of achieving cost reduction and shortening construction periods. The rationality of system construction through thorough standardization is very high, and it is adopted in many projects. However, due to the differing characteristics of each manufacturer, many business owners find themselves wondering, "Which manufacturer is suitable for our plans?" and "Is it really optimal compared to conventional methods?" In this article, we will compare and introduce the basic knowledge of the advantages and disadvantages of system construction, as well as recommend manufacturers by purpose in a ranking format. ■ Semi-Custom System Construction "Select Beam" This is a unique method by Sakura Structure, and it is a "third option" that is less expensive than system construction. It is the most suitable method for low-rise long-span buildings such as stores, warehouses, factories, and logistics facilities, as well as high-rise buildings like hotels.

Sep 09, 2026

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