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  6. This twist bend makes installation easy!

This twist bend makes installation easy!

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ishigaki-Cu-busbar

last updated:Mar 12, 2026

石垣商店
石垣商店
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A single copper busbar makes a directional change! The ultimate twist bend!

This product is a "copper busbar twist bend" used inside transformers to control large currents at the substation level. It is a 6mm x 50mm copper busbar that can control approximately 600A of electricity! In fact, this product was created based on an idea from a worker installing transformers, who mentioned during a casual conversation with a transformer manufacturer supplied by Ishigaki Shoten that it took a long time to connect and install multiple copper busbars, saying, "It would be easier if this product could rotate around..." We have received orders from transformer manufacturers and panel manufacturers in the Tokai region, with plate thicknesses of 3mm, 4mm, 5mm, 6mm, 8mm, and 10mm, and a width of 100mm (we have a record of 150mm width for the 6x150 model). Why not make installation easier with a single twist bend of the copper busbar? In addition, we also have a wide range of processing achievements for copper busbar products with thicknesses from 3mm to 20mm for transformer manufacturers and panel manufacturers in the Tokai region, processing 150 tons of copper annually as a specialized copper processing company. We have a consistent production system from order to processing, plating, and delivery/shipping, allowing us to respond quickly with drawings and order forms! Hand-drawn diagrams are acceptable! Truly, we can handle orders from just one piece! Urgent orders are welcome!

    transformer
id="product-main-img"

This twist bend makes installation easy!

1.jpg 2.jpg 3.jpg
  • copper busbar.com
  • Special site - Product/service details - https://pr.mono.ipros.com/ishigaki-st/product/

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basic information

【Specifications】 Material: C1100-1/2H (Tough Pitch Copper) Supported Plate Thickness: 3mm to 20mm Maximum Width: 150mm (Processing records available for 200mm in 10mm, 12mm, and 15mm) Maximum Length: 2000mm, negotiable Processing Details: Press hole punching, press bending, machining, lathe processing Surface Treatment: Tin plating, silver plating, nickel plating available Minimum Order: Welcomed from 1 piece! Delivery Time: Approximately 1 week or more

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Applications/Examples of results

Applications Incorporation achievements - Oil-filled transformers - Molded transformers - Cubicles - Distribution boards and control panels - Electrical components for machine tools such as spot welding machines and plating equipment

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The meaning of "P" in copper C1100P.

The meaning of "P" in copper C1100P.

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【Information】Copper busbar, what is a busbar?

【Information】Copper busbar, what is a busbar?

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News about this product(1)

The participation in the JECAFAIR 2026 Electrical Industry Exhibition has been confirmed.

  • Company news

We have decided to exhibit at "JECAFAIR 2026 Electric Construction Industry Exhibition," which will be held at Tokyo Big Sight from May 27 (Wednesday) to May 29 (Friday). We will be exhibiting right at the entrance of booth number 1-54 in Hall 1 East. On the final day, our on-site workers, who process 150 tons of copper busbars annually, will share insights about the characteristics of copper, the challenges of processing, and information that only those on-site would know during the exhibitor seminar! For more details, please visit the official website! We sincerely look forward to your visit!

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石垣商店

石垣商店

Industrial Electrical Equipment

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We have been providing copper components to transformer and control panel manufacturers, delivering energy through copper and ensuring safety and security for society. As a result of walking alongside our customers throughout this process, we have become a "copper specialty processing company"! When our customers are truly in need, we respond as quickly as the same day, embodying the spirit of mutual support! ■ Overwhelming inventory ■ Craftsmanship that allows for the fastest processing and youthful, energetic power ■ Strong network with local plating partner companies We can perform various processing methods such as machining, pressing, welding, and brazing. Since we have established a production system for a wide variety of small quantities, ■ Small lots ■ Various sizes ■ Complex shapes can also be handled quickly. We aim to be a company that delivers energy to everyone through copper, and we look forward to your continued support.

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