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  3. 星和電機
  4. Release of joint box with internal wiring (SBJA series)
CATALOG
  • 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 the time. Road lighting fixtures are mounted on poles, which tend to accumulate moisture and can lead 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 product, the "Junction Box with Internal Wiring for Poles" (SBJA series), which makes the internal wiring of 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 humid environment inside poles. It comes with pre-wired connections, ensuring safety and ease of connection, as well as facilitating inspections. The junction box has a sealed compartment for the breaker and terminal blocks in some specifications, protecting the 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 tasks easier. 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 a highly airtight box is used, there is no insulation deterioration 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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Related catalog(1)

"Joint Box with Internal Wiring for Poles" Product Catalog

"Joint Box with Internal Wiring for Poles" Product Catalog

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Electrical equipment construction business
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Non-contact light beam touch sensor 'HA-T401'

Recommended for infection control! Introduction of non-contact sensors for facilities.

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In recent times, there has been a growing interest in infection control measures and facility hygiene management. Our company offers non-contact sensor products that are recommended for commercial facilities, food factories, and nursing and caregiving facilities. 【Sensors for Automatic Doors】 ● Light Touch Sensor HA-T401 … When you wave your hand in front of the automatic door, the sensor detects the movement and opens or closes the door. This is recommended for making doors with touch switches non-contact. ● Hand Wave Sensor PF-R5, PF-U2, DHS-1 … Opens and closes the automatic door by waving your hand in front of the sensor. ● Foot Switch PF-01S/01D/03S/05 … Opens and closes the automatic door by placing your foot in the opening. 【Access Control System】 ● Face Recognition + Unmanned Temperature Measurement DS Series … Allows for face recognition along with mask detection and body temperature measurement simultaneously. ● Automatic Disinfectant Spray Dispenser PHW-03B … Automatically sprays disinfectant when you wave your hand in front of the sensor. 【Nursing and Care Sensors】 ● Infrared Bed Exit Sensor "Just Place It Pole-kun" … This bed exit sensor is installed next to the bed and notifies via nurse call when the subject enters the detection range. ◎ For more details, please download the catalog or contact us.

Nov 19, 2025

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When the sensor detects the car, the rotating light will turn on.

Ideal for entrances and exits of parking lots and stores! Alerts pedestrians of vehicle departures with the light from the rotating lamp! Here is a proposal for a departure warning sensor! Free catalog giveaway.

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[To the owners of parking lots and parking lot construction companies] "I'm worried about not colliding with pedestrians when exiting the parking lot..." Among vehicle entrances to parking lots, stores, residences, and factories, particularly at entrances facing sidewalks or roadways, there is a risk of dangerous incidents such as collisions with pedestrians or between vehicles. To alleviate such concerns, Hotron proposes a [Vehicle Exit Warning Sensor] that detects vehicle departures using various sensors and alerts the surrounding area with LED lights and buzzers. The system consists of a simple configuration of "sensor" + "controller" + "switching power supply (24V)" + "LED rotating light." *Please note that a separate control panel is required to include the controller and switching power supply (24V) when using the exit warning system. *We kindly ask customers to arrange for the switching power supply (24V), LED rotating light, control panel, circuit breakers, etc. Since it can be retrofitted, it can also be used for existing parking lot entrances. We hope this will contribute to safer vehicle passage for everyone. ◎ For more details, please contact us or download the catalog.

Nov 19, 2025

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Publication of the comprehensive catalog J-02.

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The comprehensive catalog "General Catalog J-02" for the 2023 fiscal year has been completed. This comprehensive catalog features many Joe Prince products primarily used in industrial equipment and facilities. Please make use of it.

Nov 19, 2025

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Image of wireless set usage

Solve your problems with wired bed exit sensors by connecting a wireless set linked to the nurse call system!

  • NEW
  • PRODUCT

Do you have any concerns or requests regarding wired bed exit sensors? × Tangling or tripping over wired cables × Cable disconnection or damage × Worrying about forgetting to turn the switch back on after temporarily stopping the sensor. × Wanting to be notified of bed exits even from a location far from the nurse call outlet. Such concerns can be resolved simply by connecting our wireless nurse call linked set to the sensor! Our wireless nurse call linked set allows you to connect bed exit sensors like "Ugo-kun," "Foldable Thin Matta-kun," "Ayumi-chan," and "Just Place Pole-kun" to transmitters and receivers, reducing wiring around the bed area, alleviating concerns about tripping or falling due to cables, and contributing to a tidier work environment. Furthermore, it enables the use of bed exit sensors even from locations far from the nurse call outlet, allowing for more flexible equipment placement.

Nov 18, 2025

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HK-2

Recommended for earthquake measures for automatic doors and equipment! Seismic device HK-2.

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Japan is one of the top 10 countries in the world with frequent earthquakes. The 2020 White Paper on Land, Infrastructure, Transport and Tourism has also reported an increase in the probability of major earthquakes occurring. Regarding the Nankai Trough earthquake, the probability of an earthquake with a magnitude of 8 to 9 occurring within the next 30 years is estimated to be 70 to 80%. At Hotron, we recommend the introduction of seismic devices for earthquake countermeasures in buildings and equipment. The seismic device 'HK-2' is a product that automatically performs various controls that have been pre-set when it detects strong shaking equivalent to a seismic intensity of 5 lower or higher. For example, it can automatically execute actions such as: "Open automatic doors and gates to secure evacuation routes and access for emergency vehicles" "Transmit signals to the control room and stop facility equipment" "Unlock the keys to locked lockers" "Automatically play voice guidance" For more details, please download the materials or contact us.

Nov 18, 2025

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  • 入力の手間から解放、リアルな営業活動を蓄積 直感的に使える営業支援システム DRIVE SFA
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