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Disconnector Product List and Ranking from 8 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Nov 05, 2025～Dec 02, 2025
This ranking is based on the number of page views on our site.

Disconnector Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Nov 05, 2025～Dec 02, 2025
This ranking is based on the number of page views on our site.

  1. 古川電機製作所 Aichi//Industrial Electrical Equipment
  2. 不二電機工業 Shiga//IT/Telecommunications
  3. マーケットリサーチセンター Tokyo//Service Industry
  4. エイシンインターナショナル Osaka//Manufacturing and processing contract
  5. 5 ABBジャパン Tokyo//Industrial Electrical Equipment
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Disconnector Product ranking

Last Updated： Aggregation Period:Nov 05, 2025～Dec 02, 2025
This ranking is based on the number of page views on our site.

  1. Breaker Catalog 古川電機製作所
  2. Switch disconnector (SDH type) 不二電機工業
  3. Circuit breaker "Outdoor Single Pole Single Throw SOV-2L" 古川電機製作所
  4. Circuit breaker "Indoor single-pole single-throw SIV-2P to 5P" 古川電機製作所
  5. 4 Circuit breaker "Indoor Three-Phase Combined LIV-2TD" 古川電機製作所

Disconnector Product List

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Molded case circuit breaker for solar power generation Tmmax PV

Molded case circuit breaker for solar power generation Tmmax PV

Available for all solar power installations. Excellent performance and dimensional ratio.

The Tmax PV series molded case circuit breaker can be used with a maximum rated current of 1600A and a maximum rated voltage of 1100V DC in category DC-22B. The Tmax PV series switch device is the first box-type circuit breaker that can be used under high DC voltage. It is ideal for all circuit breaking requirements, making it suitable for any solar power installation. For more details, please download the catalog or contact us.

  • Other process controls
  • Other FA equipment
  • Other safety equipment

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Japan Mersen Circuit Breaker Division

Japan Mersen Circuit Breaker Division

We provide import and sales of products as well as various technical support.

We provide various switches for a wide range of applications, including chemical electrolysis equipment, electric furnaces, vehicles, power, metal refining, steelmaking, copper foil lines, plating lines, and various power supply equipment.

  • others

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Circuit breaker "Outdoor Single Pole Single Throw SOV-2L"

Circuit breaker "Outdoor Single Pole Single Throw SOV-2L"

Manual opening and closing type for outdoor use! The simplest and most popular type of circuit breaker.

The "Outdoor Single-Pole Single-Throw SOV-2L" from Furukawa Electric Co., Ltd. is a manually operated outdoor single-pole single-throw disconnect switch. It is opened and closed by hooking an operating rod onto the blade's hook. This is the simplest and most popular type that allows for reliable and smooth operation. 【Features】 ■ Manual operation ■ For outdoor use ■ The simplest and most popular type *For more details, please refer to the PDF document or feel free to contact us.

  • Circuit breakers and switches

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Circuit breaker "Indoor Single Pole Single Throw SIP-2T"

Circuit breaker "Indoor Single Pole Single Throw SIP-2T"

Manual operation for indoor use! A circuit breaker used in equipment that requires large capacity with self-cooling.

The "Indoor Single-Pole Single-Throw SIP-2T" by Furukawa Electric Co., Ltd. is a manually operated indoor single-pole single-throw disconnect switch. It is used in equipment that requires large capacity and self-cooling, such as railway substation facilities, and is operated by hooking a control rod onto the blade's hook to open and close it. When the blade is closed, mechanisms such as toggles and cams are employed to maintain the contact pressure and keep the switch in the closed state. 【Features】 ■ Manual operation ■ For outdoor use ■ Suitable for equipment requiring large capacity and self-cooling, such as railway substations ■ Incorporates mechanisms like toggles and cams *For more details, please refer to the PDF document or feel free to contact us.

  • Circuit breakers and switches

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Circuit breaker "Indoor Single Pole Single Throw GC-25"

Circuit breaker "Indoor Single Pole Single Throw GC-25"

Indoor electromagnetic coil type! A circuit breaker capable of carrying up to 7800A with water cooling specifications.

The "Indoor Single Pole Single Throw GC-25" from Furukawa Electric Co., Ltd. is an indoor single pole single throw circuit breaker with an electromagnetic coil. If it is a water-cooled type, it can carry a maximum current of 7800A. It employs a toggle mechanism, so there is no worry of it disconnecting due to its own weight after the contacts are engaged. There is also a type available with a grounding mechanism. 【Features】 ■ Electromagnetic coil type ■ Can carry a maximum current of 7800A if it is a water-cooled type ■ No worry of disconnecting due to its own weight after the contacts are engaged ■ A type with a grounding mechanism is also available *For more details, please refer to the PDF materials or feel free to contact us.

  • Circuit breakers and switches

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Circuit breaker "Indoor Single-Pole Double-Throw DIV-2P"

Circuit breaker "Indoor Single-Pole Double-Throw DIV-2P"

Using post insulators! Manual switch-type indoor single-pole circuit breaker with a rated current of 200 to 600A.

The "Indoor Single-Pole Double-Throw DIV-2P" from Furukawa Electric Co., Ltd. is a manually operated indoor single-pole switch disconnector. It uses post insulators, and the operation rod is hooked onto the blade's hook for opening and closing. The connection direction of the conductive parts is F-F-F, with the middle conductive part being common. 【Features】 ■ Manual operation ■ Uses post insulators ■ Connection direction of conductive parts is F-F-F *For more details, please refer to the PDF materials or feel free to contact us.

  • Circuit breakers and switches

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Circuit breaker "Indoor Double Pole Double Throw"

Circuit breaker "Indoor Double Pole Double Throw"

Capable of carrying a fixed current of up to 12,000A! Indoor circuit breaker with electric motor type.

The "Indoor Double-Pole Double-Throw" from Furukawa Electric Co., Ltd. is an electric motor-operated indoor double-pole switching circuit breaker used for switching single-phase circuits. Thanks to its toggle mechanism, there is no worry about contacts coming loose after being engaged. It can carry a maximum current of 12,000A due to its water cooling. 【Features】 ■ Electric motor-operated ■ Can carry a maximum of 12,000A due to water cooling ■ Adopts a toggle mechanism ■ No worry about contacts coming loose after engagement *For more details, please refer to the PDF materials or feel free to contact us.

  • Circuit breakers and switches

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Circuit breaker "Indoor Three-Phase Switch"

Circuit breaker "Indoor Three-Phase Switch"

Individually operable for each phase! Indoor air-operated three-phase circuit breaker with a toggle mechanism.

The "Indoor Three-Phase Switch" from Furukawa Electric Co., Ltd. is an air-operated three-phase circuit breaker designed for indoor use. It allows for the individual opening and closing of each phase. The cooling method for the conductive part is water-cooled. Due to the toggle mechanism employed, there is no concern about the contacts disengaging after activation. This design has a proven track record of manufacturing up to seven-pole switching. 【Features】 ■ For indoor use ■ Allows for individual opening and closing of each phase ■ Cooling method for the conductive part is water-cooled ■ No concern about contacts disengaging after activation ■ Proven track record of manufacturing up to seven-pole switching *For more details, please refer to the PDF materials or feel free to contact us.

  • Circuit breakers and switches

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Circuit breaker "Indoor eight-pole switch"

Circuit breaker "Indoor eight-pole switch"

The capacity of 1 pole is 2000A! A double throw circuit breaker with 8 poles that supports a large capacity of 16000A.

The "Indoor 8-Pole Switch" is an indoor 8-pole double-throw switch that can operate 8 poles simultaneously using an AC geared motor, allowing for switching between side A, side B, and neutral (both off). The capacity for one pole is 2000A, accommodating a large capacity of 16000A across 8 poles. By adopting a cam mechanism in the contact section, it stabilizes the contacts and reduces the operating force, while the contact section is plated with silver to improve the reliability of the conductivity performance. 【Features】 ■ Operates 8 poles simultaneously ■ Capacity for one pole is 2000A ■ Cam mechanism adopted in the contact section ■ Stabilizes contacts and reduces operating force ■ Silver plating on the contact section enhances conductivity performance *For more details, please refer to the PDF document or feel free to contact us.

  • Circuit breakers and switches

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Switchgear and Selector Switch "Circuit Breaker for PV (DC1000V)"

Switchgear and Selector Switch "Circuit Breaker for PV (DC1000V)"

We have numerous achievements in solar power projects! Introducing a safety-designed circuit breaker for PV (DC1000V).

Aishin International Co., Ltd. is an expert company in procurement and logistics in the field of power distribution control. We handle "DC1000V circuit breakers for PV applications." Compliant with strict European and American standards (IEC, UL, etc.). We offer a lineup with price advantages. 【Features】 ■ Extensive track record in solar projects ■ Safe design ■ Compliance with strict European and American standards (IEC, UL, etc.) ■ Lineup with price advantages *For more details, please refer to the external link or feel free to contact us.

  • Circuit breakers and switches

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Switch disconnector (SDH type)

Switch disconnector (SDH type)

~Ideal for solar power generation connection boxes~

● The first in the country! Rated insulation voltage DC1500V Rated insulation voltage AC1000/DC1500V. You can use it with confidence in circuits that require high voltage, such as connection boxes (DC750V, DC1000V). *Regarding the specification of rated insulation voltage DC1500V for DC circuit breakers (As of December 2012, based on our own research) ● Terminal block with interruption capability This terminal block features a structure that utilizes the DC switching technology cultivated over many years as a switch manufacturer, allowing for opening and closing (interruption) under live conditions. *Interruption is possible at DC1000V, 10A. ● Supports maximum connection wire size of 14mm² By adopting a screw-up type M5 screw, it is possible to efficiently wire 5.5 to 14mm² wires.

  • Solar power generator

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Circuit breaker

Circuit breaker

We utilize the manufacturing technology cultivated since our establishment to produce a variety of long-lasting switches.

It is a device that opens and closes the circuit without opening and closing the current. It is used to disconnect the circuit during inspections.

  • Circuit breakers and switches

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[Application Example Included] Safety Switch for Crusher and Mixer Maintenance

[Application Example Included] Safety Switch for Crusher and Mixer Maintenance

A switch box that ensures the safety of maintenance workers. Dustproof and waterproof, it can be retrofitted! The box material can be chosen from resin, iron, or stainless steel!

This is a switchbox primarily designed for disconnecting the power/electrical lines of crushers, mixers, and grinders. It features a padlock mechanism (can be locked) to ensure safety by allowing operators to disconnect and lock it during maintenance. It is compatible with round crimp terminals, which are in high demand in the Japanese market. It complies with IEC60947-3 standards and other international standards as a load switch. It has high dust and water resistance, making it adaptable to various installation environments. 【Functions and Features】 - Disconnect switch, disconnector, isolator switch - Compatible with round crimp terminals - High dust and water resistance (IP65/66/67) - Options for resin, iron, and stainless steel boxes - Auxiliary contacts available - Padlock handle (available in red/yellow and black/white) - Box cannot be opened in the ON position - Supports from 3 poles to 8 poles - Rated operational current up to 315A and 132kW in series - Complies with IEC60947-3 standards ● For more details, please download the catalog or contact us.

  • Safety switch
  • Circuit breakers and switches

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Gurukawa Electric Manufacturing Company - Company Profile

Gurukawa Electric Manufacturing Company - Company Profile

We continue to produce high-quality power equipment to efficiently and stably supply electricity.

Furukawa Electric Manufacturing Co., Ltd. is a manufacturer that produces distribution equipment, transformer equipment, and railway and factory equipment. To meet customer needs, we create a wide variety of products from prototypes to small lots and custom-made items. We contribute to the stable supply and efficiency of electricity for companies and households. 【Business Activities】 ■ Manufacturing and sales of electrical machinery and equipment ■ Manufacturing and sales of disconnectors ■ Manufacturing and sales of terminals and connection materials ■ Copper processing and prototyping ■ Manufacturing and sales of panels and cubicles *For more details, please refer to the PDF materials or feel free to contact us.

  • Terminal Blocks
  • Control Panel
  • Distribution Board

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Breaker Catalog

Breaker Catalog

From small to large capacity and special structures! A catalog featuring drawings of 18 types of circuit breakers.

The "Circuit Breaker Catalog" from Furukawa Electric Co., Ltd. is a catalog of circuit breaker drawings featuring 18 products. We offer a wide variety of circuit breakers in an easy-to-select series, ranging from compact and lightweight models that are easy to handle to high-capacity and specially structured specifications to suit various applications. The operation methods include hook operation, electric operation, and remote manual operation. [Contents] ■ Indoor Circuit Breakers ■ Outdoor Circuit Breakers ■ Track Switching ■ Operating Devices ■ Other Circuit Breakers *For more details, please refer to the PDF document or feel free to contact us.

  • Circuit breakers and switches

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