We have compiled a list of manufacturers, distributors, product information, reference prices, and rankings for Circuit Protector.
ipros is IPROS GMS ・ IPROS One of the largest technical database sites in Japan that collects information on.

Circuit Protector Product List and Ranking from 6 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Sep 17, 2025～Oct 14, 2025
This ranking is based on the number of page views on our site.

Circuit Protector Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Sep 17, 2025～Oct 14, 2025
This ranking is based on the number of page views on our site.

  1. イーティーエィコンポーネンツ（E-T-A） Chiba//Industrial Electrical Equipment
  2. 三協インタナショナル Tokyo//Trading company/Wholesale
  3. グローバル電子 Tokyo//Electronic Components and Semiconductors
  4. 4 ケーメックス・オートメーション Tokyo//Industrial Electrical Equipment
  5. 5 鐘通 Kyoto//Trading company/Wholesale
Go to Company Ranking

Circuit Protector Product ranking

Last Updated： Aggregation Period:Sep 17, 2025～Oct 14, 2025
This ranking is based on the number of page views on our site.

  1. Switch-compatible circuit protector 3120 series waterproof and dustproof IP65 イーティーエィコンポーネンツ（E-T-A）
  2. Slim DIN rail mountable circuit protector 2210 イーティーエィコンポーネンツ（E-T-A）
  3. Circuit Protector GCP Series 三協インタナショナル
  4. 4 Small 1-pole circuit protector 104_105_106 イーティーエィコンポーネンツ（E-T-A）
  5. 4 Smart circuit protection! Reduction in component count through component integration. イーティーエィコンポーネンツ（E-T-A）

Circuit Protector Product List

1～15 item / All 19 items

Displayed results
Small 1-pole circuit protector 104_105_106

Small 1-pole circuit protector 104_105_106

Small 1-pole circuit protector. Even if the circuit breaker function operates due to overcurrent, fuse replacement is unnecessary; just press the reset button to restore it!

Small 1-pole thermal circuit protector Current range from 0.05A to 10A, ideal for compact industrial equipment. Due to its small size, it can be installed in various locations and integrated into different products. 【Features】 ■ 1-pole ■ Increased installation flexibility due to compact size ■ Supports four installation methods: dense installation, PCB mounting, snap-in mounting, and round hole screw mounting ■ Reset during overcurrent is simple; just press the reset button (no need to replace fuses) ■ Dust and water resistant, IP64 compliant (waterproof cover available for the 106 series) We also offer 1-pole small circuit protectors with current ratings from 10A to 80A. 1110 0.05A to 16A (fuse holder type) 1658 5A to 30A 4130 20A to 80A

  • F_104-PR-2A-4C.png
  • F_104_PR_SI5I-4C.png
  • F_105-P30-1_2A_4C.jpg
  • F_104_PR_SI5I-4C.jpg
  • Circuit breakers and switches

Added to bookmarks

Bookmarks list

Bookmark has been removed

Bookmarks list

You can't add any more bookmarks

By registering as a member, you can increase the number of bookmarks you can save and organize them with labels.

Free membership registration
High-performance circuit protector 410_520_530

High-performance circuit protector 410_520_530

Wide rated current of 10-125A! High-performance circuit protector ideal for motors, generators, and thyristors.

This is a high-capacity circuit protector that can support up to 125A. Moreover, it is compatible with 1-pole to 3-pole configurations and can be used with AC 660V / DC 220V. Additionally, auxiliary circuits are available as an option. - Rated Voltage: AC 240V, 3-phase 415V, 3-phase 500V 3-phase 660V (50/60Hz) DC 110V; DC 220V (series connection) - Rated Current: 10...125A (EN60947), curves 01/02/04/05 7...100A (EN60898), curves B3/C3

  • 520.png
  • 530_K_4_02_Si_s.jpg
  • Other electronic parts

Added to bookmarks

Bookmarks list

Bookmark has been removed

Bookmarks list

You can't add any more bookmarks

By registering as a member, you can increase the number of bookmarks you can save and organize them with labels.

Free membership registration
High-performance circuit protector 412

High-performance circuit protector 412

UL certified product! High-performance circuit protector ideal for special vehicles and battery equipment.

If you have any questions regarding the introduction below, please feel free to contact us.

  • Other electronic parts

Added to bookmarks

Bookmarks list

Bookmark has been removed

Bookmarks list

You can't add any more bookmarks

By registering as a member, you can increase the number of bookmarks you can save and organize them with labels.

Free membership registration
High-performance circuit protector 413

High-performance circuit protector 413

High-performance circuit protectors ideal for special vehicles and defense industry equipment.

If you have any questions regarding the introduction below, please feel free to contact us.

  • Other electronic parts

Added to bookmarks

Bookmarks list

Bookmark has been removed

Bookmarks list

You can't add any more bookmarks

By registering as a member, you can increase the number of bookmarks you can save and organize them with labels.

Free membership registration
High-performance circuit protector 446, 447, 449

High-performance circuit protector 446, 447, 449

High-performance circuit protector ideal for special vehicles and battery systems.

This is a high-capacity circuit protector that can handle up to 500A at DC24V. It is mainly used in battery systems for vehicles. - Rated voltage: DC28V - Rated current: 446: 30A - 400A 447: 100A - 400A 449: 125A - 500A

  • Other electronic parts

Added to bookmarks

Bookmarks list

Bookmark has been removed

Bookmarks list

You can't add any more bookmarks

By registering as a member, you can increase the number of bookmarks you can save and organize them with labels.

Free membership registration
High-performance circuit protector (thermal electromagnetic type) 452

High-performance circuit protector (thermal electromagnetic type) 452

Circuit protectors compatible with everything from special vehicles to defense industry equipment.

High-performance circuit protector (thermal electromagnetic type) 452

  • Other electronic parts

Added to bookmarks

Bookmarks list

Bookmark has been removed

Bookmarks list

You can't add any more bookmarks

By registering as a member, you can increase the number of bookmarks you can save and organize them with labels.

Free membership registration
On-vehicle circuit protector: Case study of truck adoption

On-vehicle circuit protector: Case study of truck adoption

The interior can be reset with a cycling trip-free mechanism! For low voltage systems (DC12/24V) of all types of vehicles or vessels.

Small single-pole thermal circuit protector. It features a cycling trip-free mechanism that allows for reset, and has the same terminal shape as automotive blade fuses. *Uses a color code similar to that of fuses. (With housing or release button) For use with the same rated current as automotive blade fuses, please inquire separately about model 1616. There is also a mini fuse type single-pole circuit protector available. Complies with ISO 8820-3, Type F. The color of the product is distinguished by its rated current, which follows the same color code as blade fuses. Complies with SAE J553 requirements. E-T-A is a specialized manufacturer of circuit protectors and relays founded in Germany in 1948. As a top brand manufacturer of circuit protectors for equipment protection, it offers a wide range of products including overcurrent protection, power distribution, circuit protectors, breakers, power relays, and semiconductor relays. Yashima Densou, as a technical trading company for electronic components, promotes sales activities including technical support in collaboration with E-T-A's Japanese subsidiary, and has begun mass production deliveries to domestic automobile manufacturers.

  • スクリーンショット 2021-10-04 14.06.37.png
  • スクリーンショット 2021-10-04 14.06.48.png
  • スクリーンショット 2021-10-04 14.07.11.png
  • relay
  • Other Auto Parts
  • Other electronic parts

Added to bookmarks

Bookmarks list

Bookmark has been removed

Bookmarks list

You can't add any more bookmarks

By registering as a member, you can increase the number of bookmarks you can save and organize them with labels.

Free membership registration
Circuit Protector / Switch

Circuit Protector / Switch

Active in various applications such as home appliances, transportation equipment, ships, and medical devices. Customization is also possible. 【*Catalog of handled products available upon request】

Our company offers a wide range of products such as "circuit protectors" and "switches" that are active in various fields including telecommunications, electronic devices, trucks, buses, ships, railways, and aircraft. The "circuit protector" is available in thermal and fluid electromagnetic types. It can also be used as a main switch to turn the protected equipment on and off. Additionally, the "switch" lineup includes rocker, toggle, push-button, and slide switches, as well as miniature and sub-miniature switches specifically designed for printed circuit board mounting. 【Product Lineup】 ■ Thermal Circuit Protector ■ Fluid Electromagnetic Circuit Protector ■ Various Switches *You can view the product list by downloading the PDF. Please feel free to contact us with any inquiries.

  • image_02.png
  • image_03.png
  • image_04.png
  • switch

Added to bookmarks

Bookmarks list

Bookmark has been removed

Bookmarks list

You can't add any more bookmarks

By registering as a member, you can increase the number of bookmarks you can save and organize them with labels.

Free membership registration
High-performance circuit protector (thermal type) 482

High-performance circuit protector (thermal type) 482

Circuit protector suitable for special vehicles, battery equipment, and aircraft.

High-performance circuit protector (thermal type) 482 Used in special vehicles, battery equipment, aircraft, etc. Rated voltage: DC28V Rated current: 0.1A - 50A

  • Other electronic parts

Added to bookmarks

Bookmarks list

Bookmark has been removed

Bookmarks list

You can't add any more bookmarks

By registering as a member, you can increase the number of bookmarks you can save and organize them with labels.

Free membership registration
High-performance circuit protector (thermal type) 483

High-performance circuit protector (thermal type) 483

Circuit protectors used in aircraft, defense industry equipment, and communication devices.

High-performance circuit protector (thermal type) 483 This is a highly efficient circuit protector used in aircraft. It is mainly used in aircraft, defense industry equipment, and communication devices. Rated voltage: AC115/DC28V Rated current: 1A - 35A

  • Other electronic parts

Added to bookmarks

Bookmarks list

Bookmark has been removed

Bookmarks list

You can't add any more bookmarks

By registering as a member, you can increase the number of bookmarks you can save and organize them with labels.

Free membership registration
High-performance circuit protector (thermal type) 583

High-performance circuit protector (thermal type) 583

Circuit protectors optimal for aircraft, defense industry equipment, and communication devices.

High-performance circuit protector (thermal type) 583 This is a high-performance circuit protector compatible with 3 poles. It is mainly used in aircraft, defense industry equipment, and communication devices. Rated voltage: AC115/DC28V Rated current: 1A - 35A

  • Other electronic parts

Added to bookmarks

Bookmarks list

Bookmark has been removed

Bookmarks list

You can't add any more bookmarks

By registering as a member, you can increase the number of bookmarks you can save and organize them with labels.

Free membership registration
Switch-compatible circuit protector 3120 series waterproof and dustproof IP65

Switch-compatible circuit protector 3120 series waterproof and dustproof IP65

Simplify the configuration with a fuse switch + waterproof processing! A switch-cum-circuit protector compliant with waterproof and dustproof grade IP65.

- Waterproof and dustproof grade compliant with IP65 - Easy installation with snap-in mounting - Voltage: AC240V, DC50V - Current value: 0.1-20A - Compliant with international standards (VDE, UL, CSA, CCC) - Compliant with medical standard EN60601. Ideal for power protection devices in medical equipment - Rich options including push-in terminals, LED indicator, remote trip, auxiliary circuits, and anti-restart function - Thermal type, unaffected by inrush current

  • 3120-N_blue_schraeg.jpg
  • 3120-N_white.jpg
  • Circuit breakers and switches

Added to bookmarks

Bookmarks list

Bookmark has been removed

Bookmarks list

You can't add any more bookmarks

By registering as a member, you can increase the number of bookmarks you can save and organize them with labels.

Free membership registration
3120 series option restart prevention feature

3120 series option restart prevention feature

Equipped with a restart prevention feature! A safety design that prevents accidents caused by sudden power restoration.

The "3120-U Circuit Protector" is designed with safety in mind, ensuring that even if the voltage drops due to some cause (such as a power outage or unplugged outlet), it will continue to cut off the circuit until manually reset, even when the voltage returns to normal. This helps prevent accidents such as "I thought it was broken, so I touched the device, and it suddenly started moving, causing serious injury." ⇒ You can view "case studies" from the 【Download】 section. 【Features】 ■ All-in-one product with built-in rocker switch, overcurrent protector, and low voltage watcher ■ Usable with both AC (240V max) and DC (24V) ■ Wide current capacity ranging from 0.1 to 20A ■ Options available such as LED illumination and waterproof cover *For more details, please download the catalog or contact us. ⇒ You can view "case studies" from the 【Download】 section.

  • Safety switch

Added to bookmarks

Bookmarks list

Bookmark has been removed

Bookmarks list

You can't add any more bookmarks

By registering as a member, you can increase the number of bookmarks you can save and organize them with labels.

Free membership registration
Slim DIN rail mountable circuit protector 2210

Slim DIN rail mountable circuit protector 2210

Thin type of 12.5mm per unit, ideal for miniaturizing control panels. Mounting options include DIN rail and panel mount! UL, CSA, and CCC standards obtained.

12.5mm slim circuit protector per pole Can be mounted on a panel or installed on a DIN rail

  • F_2210_S2_1pole_4C.jpg
  • F_2210_T.png
  • F_2210_S_3p.png
  • Circuit breakers and switches

Added to bookmarks

Bookmarks list

Bookmark has been removed

Bookmarks list

You can't add any more bookmarks

By registering as a member, you can increase the number of bookmarks you can save and organize them with labels.

Free membership registration
E-T-A【Thermal Magnetic Circuit Protector】

E-T-A【Thermal Magnetic Circuit Protector】

Guaranteeing overcurrent protection and short-circuit protection for all industries, including communication equipment and process control.

Thermal-magnetic circuit protectors guarantee overcurrent protection and short-circuit protection for all industries, including communication equipment and process control. They are constructed by combining a latching type bimetal and a magnetic coil. This product utilizes the magnetic characteristics for short-circuit protection, which occurs at high currents, while using thermal characteristics to interrupt overcurrent protection at lower currents compared to short-circuits. [Types] ■201 ■2210-S2 ■2210-T2 ■2215-L ... *For more details, please refer to the PDF document or feel free to contact us.

  • switch

Added to bookmarks

Bookmarks list

Bookmark has been removed

Bookmarks list

You can't add any more bookmarks

By registering as a member, you can increase the number of bookmarks you can save and organize them with labels.

Free membership registration
COPYRIGHT © 2001-2025 IPROS CORPORATION ALL RIGHTS RESERVED.