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Rotary Connector Product List and Ranking from 6 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Nov 19, 2025～Dec 16, 2025
This ranking is based on the number of page views on our site.

Rotary Connector Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Nov 19, 2025～Dec 16, 2025
This ranking is based on the number of page views on our site.

  1. null/null
  2. 協栄電機 Osaka//Industrial Electrical Equipment
  3. ヒサワ技研 Tokyo//Industrial Electrical Equipment
  4. 4 ハギテック 本社工場 Chiba//Trading company/Wholesale
  5. 5 ライノス・インターナショナル Tokyo//Trading company/Wholesale
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Rotary Connector Product ranking

Last Updated： Aggregation Period:Nov 19, 2025～Dec 16, 2025
This ranking is based on the number of page views on our site.

  1. Rotary Connector_Melco Tack Corporation
  2. Mercury-Free Rotary Connector 'GRC-1-250' 協栄電機
  3. Rotary connector ハギテック 本社工場
  4. 4 Asiantool Corporation Rotary Connector [Mercury-Free] ライノス・インターナショナル
  5. 4 4-pole mercury-free rotary connector 協栄電機

Rotary Connector Product List

16～26 item / All 26 items

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Collection of Development Cases for Special Specification Rotary Connectors

Collection of Development Cases for Special Specification Rotary Connectors

High-frequency large current is applied to the rotating part, with examples of non-use of mercury type or slip rings.

At Hisawa Giken, which specializes in the design and development of electrical connection mechanisms, we are developing "special specification rotary connectors" that meet various demands. If there are projects that other companies have said are "impossible!" or "difficult!", please feel free to consult with us! Currently, we are distributing materials that introduce our development examples using diagrams and photos. Please download and take a look. [Contents Included] ■ Connectors that allow "high frequency" and "high current" to pass through the rotating part (Manufacturer of semiconductor manufacturing equipment) ■ Connectors that allow "multi-pole" high current to pass through the rotating part (Manufacturer of automotive production equipment) ■ Rotating connectors that allow current to flow to "heater rolls" (Manufacturer of packaging equipment) ■ Mercury-free & slip ring-free rotating connectors for plating equipment (Major connector manufacturer)

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Mercury-free single-pole 10A rotary connector

Mercury-free single-pole 10A rotary connector

Rolling slip ring! Achieving long lifespan!

The "Single Pole 10A Rotary Connector" is a new structure rotary connector that does not use mercury. A must-see for manufacturers of wire electrical discharge machines! Due to its extremely low contact resistance, it can handle high currents, and its compact rotating connection makes it suitable for miniaturizing products. Additionally, it is RoHS compliant, with low contact resistance, low noise, low rotational torque, and a long lifespan. It can also handle high-frequency currents that conventional products could not. In durability comparison tests with gallium types, we have received high praise from users, and immediate delivery is possible depending on the quantity. 【We can solve these problems!】 ■ We switched to mercury-free products but are facing durability issues. ■ We want a mercury-free rotary connector. ■ We want to improve noise caused by wear debris. ■ Regular maintenance is a hassle. *For more details, please download the PDF document or feel free to contact us.

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"Rotary Connector: Customer Feedback" from the industrial machinery manufacturing industry/trading company.

"Rotary Connector: Customer Feedback" from the industrial machinery manufacturing industry/trading company.

There are no products with a large current and hollow structure that meet the company's requirements. We have ideas for new products, but there is no place to manufacture them. Please consult us first about what cannot be done!

We would like to share feedback from our customers regarding the rotary connectors developed and manufactured by Hisawa Giken. Company D, in the industrial machinery manufacturing sector, was struggling because there were no products that met their requirements for high current and hollow structure. After placing an order, they expressed, "The response to our requirements was quick, and the proposals were good." Our company starts with development. If there is something we cannot do, please consult with us first. 【Customer Feedback Summary】 ■ Company D, Industrial Machinery Manufacturing ■ Challenge: There were no products with high current and hollow structure. ■ Company C, Trading Company ■ Challenge: They had ideas for new products and consulted various places but were struggling to find a manufacturer. *For more details, please refer to the PDF document or feel free to contact us.

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4-pole rotary connector

4-pole rotary connector

Mercury-free, this is our company's unique structure of a 10A x 4-pole rotary connector.

This is a mercury-free rotary connector (slip ring) with a new structure. Unlike conventional slip rings that conduct electricity through sliding, this product features a structure similar to roller bearings, allowing for rotational electrical connection through planetary motion. As a result, it generates less wear debris and achieves a long-lasting product with minimal noise.

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Mercury-free rotary connector

Mercury-free rotary connector

Since it does not use mercury, it easily complies with RoHS regulations! Achieves maintenance-free operation for 100 million rotations.

This is a one-pole type rotary connector that does not use mercury, a harmful substance. By implementing liquid gallium alloy with high reliability, we have achieved maintenance-free operation for 100 million rotations. It can be used for rotating equipment that requires grounding, such as plating machines and welding machines. <Features> ■ Mercury-free, compliant with RoHS 2 ■ Low contact resistance (below 1mΩ) ■ Low torque (below 0.45cN·m) ■ Long lifespan ■ Capable of handling high currents ■ Maintenance-free ■ Capable of high-speed rotation ■ Compact design ■ Can be disposed of as regular industrial waste *For more details, please refer to the PDF document or feel free to contact us.

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Mercury-Free Rotary Connector 'GRC-1-250'

Mercury-Free Rotary Connector 'GRC-1-250'

Exclusive to direct sales, therefore low price. Achieving top-class low torque in the industry. Materials with test data provided.

The "GRC-1-250" is a one-pole type rotary connector that uses liquid gallium alloy instead of mercury and is suitable for high-temperature environments (up to 80°C). It can be installed in both vertical and horizontal orientations, making it a viable replacement for existing rotary connectors. With low torque, low noise, and stable resistance values, it is effective for various applications. It complies with the RoHS2 directive and can be disposed of as regular industrial waste, contributing to reduced disposal costs. 【Features】 ■ Made in Japan ■ Compliant with RoHS2 directive ■ Low torque ■ High current ■ Low noise and low contact resistance (below 1mΩ) due to no contact points used ■ Usable in high-temperature environments compared to mercury (4-80°C) ■ Can be processed as regular industrial waste *We are currently providing materials that include test data on electrical characteristics. You can view them via PDF download. Please feel free to contact us for inquiries.

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4-pole mercury-free rotary connector

4-pole mercury-free rotary connector

Are you having trouble sourcing overseas rotary connectors? We support stable designs with high compatibility and high reliability domestic alternatives.

RCK420 is a mercury-free type rotary connector designed with consideration for the environment and human health. In addition to the 20A/5A four-pole specification, it can also accommodate heater and thermocouple specifications. Furthermore, it can be used without design changes from conventional mercury rotary connectors, which also reduces disposal costs.

  • Slip Ring
  • Filling and packaging machine
  • Food Packaging Machinery

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[Example] High-frequency current rotary connector (Type 2)

[Example] High-frequency current rotary connector (Type 2)

Mercury unused! Introducing a case of a new structure rotary connector!

We would like to introduce a case study and structure of a rotary connector developed by Hisawa Giken that does not use mercury. This product allows for compact rotary connections of high current. It is compliant with RoHS, has low contact resistance, low noise, low rotational torque, and a long lifespan. Additionally, it can operate in high-temperature and vacuum environments that conventional products could not accommodate. Our company can design connectors tailored to specific requirements, including multi-pole, high-temperature, and vacuum environments. 【Features】 ■ Compact rotary connection for high current ■ RoHS compliant with low contact resistance, low noise, low rotational torque, and long lifespan ■ Compatible with high-temperature and vacuum environments *For more details, please refer to the PDF document or feel free to contact us.

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[Example] High-frequency current rotary connector (Type 3)

[Example] High-frequency current rotary connector (Type 3)

Mercury unused! Introducing a case of a new structure rotary connector!

We would like to introduce a case study and structure of a rotary connector developed by Hisawa Giken that does not use mercury. This product enables compact rotary connections for high currents. It is compliant with RoHS, has low contact resistance, low noise, low rotational torque, and a long lifespan. Additionally, it can operate in high-temperature and vacuum environments, which were not possible with conventional products. Our company can design connectors that meet specific requirements, including multi-pole, high-temperature, and vacuum environments. 【Features】 ■ Compact rotary connection for high currents ■ RoHS compliant with low contact resistance, low noise, low rotational torque, and long lifespan ■ Compatible with high-temperature and vacuum environments *For more details, please refer to the PDF document or feel free to contact us.

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[Application-Specific Problem Solving Case] Hoop Plating Processing Equipment

[Application-Specific Problem Solving Case] Hoop Plating Processing Equipment

Long lifespan and maintenance-free! A case study proposing the mercury-free single-pole rotary connector GRC-1-250.

We would like to introduce our application-specific problem-solving case study: "Hoop Plating Processing Equipment." We faced the challenge of having used rotary connector products containing mercury, but due to environmental measures, we could no longer use products that contained mercury. In response, we proposed the mercury-free single-pole rotary connector GRC-1-250. Not only did we satisfy environmental concerns, but we also met performance and cost expectations, allowing for a replacement of the mercury-containing products. 【Case Overview】 ■Challenge - Due to environmental measures, products containing mercury could no longer be used. ■Result - By utilizing the expertise of a slip ring specialist manufacturer and employing a unique structure different from other companies, we were able to achieve performance equivalent to that of mercury products. Additionally, by offering a direct sales-only specification to users, we were able to keep product costs down, providing cost benefits as well. *For more details, please refer to the PDF document or feel free to contact us.

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