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  5. Transformers
  6. Specialized in processing copper busbars! We are here to assist with power connections using copper.

Specialized in processing copper busbars! We are here to assist with power connections using copper.

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last updated:Feb 19, 2025

石垣商店
石垣商店
  • Official site

Leave the manufacturing of copper bars (busbars) for transformers, distribution boards, and control panels in the power distribution industry to us.

Our factory boasts industry-leading expertise and quality in the manufacturing of copper bars (busbars) for transformers, switchgear, and control panels in the power distribution industry. Our products, which are "specialized in copper," are essential for the efficient and safe supply of electricity. 【Our Strengths】 - Custom-made products tailored to customer requirements. - Use of high-quality copper materials, ensuring the reliability of electrical equipment. - Proven track record of supplying major manufacturers. - Offering suitable materials with thicknesses ranging from 3mm to 20mm. 【Message to Our Customers】 The stability and efficiency of power infrastructure support the quality of our lives and the growth of industries. We contribute to the overall development of society through reliable copper bar products. With a commitment to technological innovation and quality, we strongly support our customers in building their power supply systems.

    Transformers
IMG_5013.jpg

Specialized in processing copper busbars! We are here to assist with power connections using copper.

IMG_5013.jpg
IMG_5013.jpg
  • Related Link - https://ishigaki-st.com/

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basic information

Choosing the appropriate material and size when selecting copper bars significantly impacts product performance, cost, and delivery time. Below is a guide on how to choose the material and basic dimensions of copper bars. 【Material】 ◆C1100◆ Has high electrical conductivity and is generally suitable for electrical applications. ◆C1020◆ Combines excellent thermal conductivity and workability, making it suitable for applications with specific constraints. 【Size】 (Cross-sectional area: Height × Width) The cross-sectional area of the copper bar adheres to these basic dimensions, allowing for various combinations. ◆Height◆ 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm, 15mm, 20mm ◆Width◆ 12mm, 15mm, 20mm, 25mm, 30mm, 40mm, 50mm, 75mm, 100mm, 150mm, 200mm 【Points to Consider When Selecting】 ◆Cost◆ Choosing standard sizes can reduce costs. ◆Delivery Time◆ Selecting standard sizes allows for quick arrangements and shorter delivery times.

Price information

It is calculated based on the daily copper base price.

Price range

P2

Delivery Time

P3

※It varies depending on the quantity and equipment operating status, so please feel free to contact us. We excel at urgent responses!

Applications/Examples of results

Components of high-voltage receiving equipment - Large, medium, and small transformers - Cubicles - Control panels / receiving panels - Disconnectors (DS) / switches / circuit breakers - Lightning arresters - Breakers

Detailed information

  • P1010031.jpg

    Abundant stock of materials (established as a wholesaler, with strong relationships with material manufacturers)

  • 会社外観(峻さんの奥さんが修正してくれた外観).jpg

    In-house factory (producing in a clean, safe workplace with 5S)

  • P1010109.jpg

    Special bending processing is our specialty (twisting, edgewise).

  • P1010080.jpg

    Products of copper TIG welding (the craftsmanship is also being passed down to the younger generation).

catalog(5)

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The meaning of "P" in copper C1100P.

The meaning of "P" in copper C1100P.

TECHNICAL
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Four secrets to being chosen as a specialist in copper processing!

Four secrets to being chosen as a specialist in copper processing!

TECHNICAL
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Efforts for the Environment: 'SBT Certified Company'

Efforts for the Environment: 'SBT Certified Company'

CATALOG
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70 years of trust and achievements as a specialized copper processing company!

70 years of trust and achievements as a specialized copper processing company!

COMPANY
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What is one of the welding methods called "fusion welding"? The technology of copper welding!

What is one of the welding methods called "fusion welding"? The technology of copper welding!

TECHNICAL
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Company information

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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