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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.

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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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"Joint Box with Internal Wiring for Poles" Product Catalog

"Joint Box with Internal Wiring for Poles" Product Catalog

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[Please introduce this to the management and general affairs department] Packed with common issues in attendance management! We will be holding a new webinar.

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―― Is attendance management becoming a "burden" without you realizing it? A seminar to quickly learn about common issues and their solutions ―― We will be holding our attendance management web seminar in October, which takes place several times a year! The content is new, so whether you have participated in our webinars before or not, please feel free to join us. Date and Time: October 15 (Wednesday) 13:00- October 22 (Wednesday) 11:00- *Both days will cover the same content *Please check the link below for registration. In this seminar, we will recreate common situations in the workplace in a short drama format for easy understanding, and introduce specific solutions to each issue. This content is especially recommended for those who think, "I'm not struggling now, but I want to know information for the future." Common workplace "situations" can be a trigger for improvement. We will clearly present the challenges and countermeasures of attendance management. Recommended for: ❏ Those who take a long time to compile monthly attendance ❏ Those who tend to postpone compliance with legal revisions ❏ Those who currently have no major complaints but want to know hints for improvement ❏ Those who want to refer to initiatives and examples from other companies

Oct 03, 2025

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The chassis of the PTC CAR and DRIVER Racing team. The body of the participating vehicle, number 44, features the PTC logo.

[Press Release] PTC supports 'PTC CAR and DRIVER Racing' in the 36th Media Challenge Roadster Endurance Race in 2025.

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PTC Japan will support the CAR and DRIVER team, a car magazine founded in 1978, which will participate in the 36th "Media Challenge Roadster Endurance Race" held at Fuji Speedway on Saturday, October 4, 2025, continuing from last year.

Oct 02, 2025

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a woman engineer using Arena with Arena ai assistant logo

[Press Release] Announcing Arena AI Assistant to Accelerate PLM and QMS Workflows

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PTC announced today the release of an AI assistant that supports Arena's Product Lifecycle Management (PLM) and Quality Management System (QMS). The Arena AI Assistant provides context-specific expertise and optimal operational methods in a conversational format in real-time for tasks related to Product Lifecycle Management (PLM) and Quality Management (QMS). This enables user teams to realize value in a shorter amount of time.

Oct 02, 2025

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The beginner-friendly 3D CAD Creo Parametric tutorial series, Volume 7, is now available!

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The seventh installment of the beginner-friendly 3D CAD Creo Parametric tutorial series focuses on features suitable for designs using frames, such as aluminum and sheet metal. It allows for easy realization of 3D solid structures.

Oct 02, 2025

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The future of design changes with the cloud! Introducing "Creo+", a SaaS version of 3D CAD for the manufacturing industry.

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Always able to use the latest features without version upgrade work. Simultaneous design reviews and edits by multiple people are possible, making global/multi-site collaboration easy!

Oct 02, 2025

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  • 位置情報で実現するスマートロジスティクス 排出ガスも待機時間も”見える化”で解決
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