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  1. Home
  2. Industrial Electrical Equipment
  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 delivered lighting equipment 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. We are now launching a new addition to our lineup, the "Junction Box with Internal Wiring for Poles" (SBJA series), which makes internal 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 straightforward. The junction box also features a sealed terminal block for the breaker and some specifications, protecting 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.
SBJA Series
SBJA Series
Installation example
Installation example
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Seiwa Electric Co., Ltd.
Homepage of Seiwa Electric Co., Ltd.
Joint BOX with Internal Wiring - SBJA series
Overview and Features This waterproof and dustproof plastic box 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 level 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, excellent in waterproof and dustproof performance, allowing safe and easy wiring work.

The "Joint Box with Internal Wiring" (SBJA Series) has a protection rating equivalent to IP68 against water and dust, making it an optimal structure for the humid environment inside poles. It comes with pre-wired connections, ensuring safety and ease of connection, while also allowing for easy inspection. The breaker and terminal block are sealed within the box, protecting the electrical wiring from moisture and water droplets that may 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" developed by Polyplastics Co., Ltd. It utilizes a new technology that enables the bonding of different types of resins and between resin and rubber, which was difficult with conventional methods, resulting in improved waterproof performance compared to previous models.

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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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AAEON 3.5-inch standard single board computer equipped with Core 3 N355/N150.

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Features: ●Core 3 N355/N150 ●DDR5 SODIMM x 1 (up to 16GB) ●HDMI 1.4, VGA, LVDS ●2.5GbE x 3, SATA 6Gb/s, GPIO 8-bit ●USB 3.2 Gen 2 x 2, RS-232/422/485 x 2, RS-232 x 2 ●Mini PCIe x 1, M.2 2230 E-Key x 1, M.2 3052 B-Key x 1 ●DC input 9V~36V

Mar 26, 2026

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AAEON Industrial 3.5-inch Standard CPU Board equipped with Intel Core Ultra5/7 Series Processor

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Features: ● Equipped with Intel Core Ultra 5 125H/Ultra 7 155H・155U ● DDR5 5600MHz SO-DIMM x2 slots (up to 96GB) (sold separately) ● LVDS x 1, eDP x 1, DP x 1, HDMI x 1 ● LAN x 3, SATA 6Gb/s x 1, 8-bit GPIO ● USB 3.2 Gen2 x 2, USB 2.0 x 4 ● M.2 2280 M-Key x 1 (PCIe 4.0 [x4]/SATA), M.2 3052 B-Key x 1, M.2 2230 E-Key x 1 ● DC 9~36V input * Heat spreader and fan-equipped heat sink sold separately GENE-MTH6-FAN: Fan-equipped heat sink GENE-MTH6-HSP: Heat spreader * Memory, storage, and OS are sold separately.

Mar 26, 2026

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Notice of Participation in Japan IT Week [IoT and Edge Computing EXPO Spring] from April 8 to April 10, 2026.

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Our company will be exhibiting at the "28th IoT & Edge Computing Expo [Spring]" within Japan IT Week, which will be held at Tokyo Big Sight from April 8 (Wednesday) to April 10 (Friday), 2026! We will showcase an AI compact edge PC equipped with NVIDIA's Jetson Thor, boards and PCs featuring Intel's Panther Lake and Bartlett Lake, a vending machine-type demo using ARM boards, as well as touch panel PCs, tablet PCs, and other peripheral devices. ■ Dates: April 8 (Wednesday) - April 10 (Friday), 2026 ■ Hours: 10:00 AM - 6:00 PM (until 5:00 PM on the final day) ■ Venue: Tokyo Big Sight, West Hall 3 ■ Booth Location: W22-22 You can register for your visit at the URL below. We sincerely look forward to your attendance. https://www.japan-it.jp/spring/ja-jp/register.html?code=1606569853287533-WSW

Mar 26, 2026

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"Prototype casting, mass production, crack repair" We repair cracks in metal products without applying heat.

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The "Mechanical Stitching Method" by Nichinichisui Road Machinery Co., Ltd. is a new technique that allows for the repair of metal cracks without the application of heat. By using special bolts and reinforcement plates, cracks are physically removed, and repairs are made without causing any thermal impact to the base material. Repairs can be carried out in environments where open flames cannot be used. Since no heat is applied, the disassembly of equipment is minimized. ◎ For more details, please contact us. ◎ If you require a detailed technical explanation, please contact us.

Mar 26, 2026

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Fukuda's leak test, leak inspection, leak detection, leak test, integrity test.

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Fukuda Co., Ltd. has been pursuing leak detection for 60 years and is committed to advancing the future of leak testing. 【 Supporting Various Leak Tests: Air Leak Test / Gas Leak Test (Hydrogen Gas, Helium Gas) 】 We develop, manufacture, and sell leak testing equipment to inspect airtightness and sealing properties. We will propose the appropriate testers and devices for each inspection target. 【 Target Industries and Examples of Inspection Targets 】 - Automotive Industry: Engines, FC components, valves and piping, various parts - Electronic Components Industry: Smartphones, keyless switches, various small sensors - Pharmaceuticals / Food / Cosmetics Industry: Bottle containers, syringes, vials, eye drop containers, pillow packaging, PTP packaging We will propose the most suitable leak testers for each industry. 【 ISO Certification 】JIS Q 9001:2015 (ISO 9001:2015)

Mar 26, 2026

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