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Protector Product List and Ranking from 95 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Dec 17, 2025～Jan 13, 2026
This ranking is based on the number of page views on our site.

Protector Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Dec 17, 2025～Jan 13, 2026
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. 八光 Tokyo//Medical and Welfare
  3. 山田電機製造 Aichi//others
  4. 4 テンテキャスター Chiba//Machine elements and parts
  5. 5 ジョブル Kanagawa//others
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Protector Product ranking

Last Updated： Aggregation Period:Dec 17, 2025～Jan 13, 2026
This ranking is based on the number of page views on our site.

  1. Wrap protector 八光
  2. Caster foot entrapment prevention foot protector テンテキャスター
  3. Thermal protector (motor protection device) 山田電機製造
  4. 4 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）
  5. 5 Thermal protector 大塚テクノ

Protector Product List

151～165 item / All 221 items

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E-T-A【Slim Circuit Protector】

E-T-A【Slim Circuit Protector】

DIN rail mount compatible, compact control panel! AC/DC universal type compliant with various safety standards.

Introducing the "Slim Circuit Protector" from Chotoku Co., Ltd. Compared to conventional circuit protectors, it is slim and space-saving, allowing for the miniaturization of control panels. The 1180 and 201 series are ideally shaped for replacing fuses mounted on DIN rails. 【Features】 - Slim compared to conventional circuit protectors - Space-saving, enabling miniaturization of control panels - AC/DC compatible type that meets various safety standards - Reduces labor by using busbars - The 1180 and 201 series are ideally shaped for replacing fuses mounted on DIN rails *For more details, please refer to the PDF document or feel free to contact us.

  • Other electronic parts

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Circuit Protector GCP Series

Circuit Protector GCP Series

Can be used for AC/DC (3-pole AC only)! The overcurrent cutoff uses an electromagnetic method, which is more appropriate and effective for circuit protection than thermal (bimetal) methods!

The international standards include certifications such as CE, TUV, KC, PSE, and CCC in addition to UL. It can be used as a combined AC/DC (3-pole AC only). The overcurrent interruption is based on an electromagnetic method, which is more appropriate and effective for circuit protection than thermal (bimetal) methods. It is designed to easily identify the ON and OFF states from a distance, making it suitable for control panels. The structure of the trip handle is designed to prevent malfunctions caused by light contact.

  • Other electronic parts

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AC main power supply, protector for distribution board (Class I + II + III)

AC main power supply, protector for distribution board (Class I + II + III)

Operates reliably even in severe lightning environments, providing repeated protection! Internal lightning protection system equipment.

The "AC Main Power Supply, Protector for Distribution Board (Class I + II + III)" is a protector that reliably safeguards equipment from lightning currents and instantaneous overvoltages entering from the power supply section, such as the main power switch and distribution board. It operates reliably even in severe lightning environments and provides repeated protection. Additionally, it has a high capacity for maximum surge current tolerance for all phases and ensures safe equipment protection due to its low control voltage. 【Features】 ■ Reliable operation and repeated protection even in severe lightning environments ■ LED display of protection status in three levels ■ Warning lamp indicating abnormalities in grounding systems, etc. ■ Compact size suitable for installation within distribution boards ■ Easy connection with simple parallel connection *For more details, please refer to the PDF document or feel free to contact us.

  • others
  • Other environmental equipment

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Surge protector for network LAN

Surge protector for network LAN

Protect network lines such as computers, servers, and hubs from lightning currents!

The "Surge Protector for Network LAN" is an internal lightning protection system device that can protect important computers, servers, and network lines such as hubs within the company from lightning currents and overvoltage. It operates reliably even in severe lightning environments and provides repeated protection. Additionally, it ensures safe protection of devices due to its low control voltage. Furthermore, connection is easy thanks to the LAN modular connector. 【Features】 ■ Reliable operation and repeated protection even in severe lightning environments ■ Available in types that support 1000Mbps and PoE ■ Provides safe protection of devices due to low control voltage ■ Easy connection with LAN modular connectors *For more details, please refer to the PDF document or feel free to contact us.

  • Other environmental equipment

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Power Supply SPD LS Series

Power Supply SPD LS Series

Plugin type that allows only the replacement of the SPD main unit.

UL certification Ministry of Land, Infrastructure, Transport and Tourism Standard Specifications for Public Building Construction compliant product Ministry of Land, Infrastructure, Transport and Tourism Building Equipment Design Standards compliant product Class II & III (JIS C 5381-11) compliant Protects equipment from lightning surges entering through power sources and grounding. Induced lightning protection. Protects equipment from lightning surges entering through power sources and grounding. JIS compliant. A standard SPD that can be installed in distribution boards and sub-distribution boards. SPD, lightning arresters (such as arresters, surge protectors), lightning protection products, lightning surge protection products, induced lightning protection, manufactured by Otowa Electric Industry, a specialist in lightning protection.

  • Other safety equipment

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SPD for distribution boards LT-332, LT-334 series

SPD for distribution boards LT-332, LT-334 series

Compact size, protects between lines and ground with one unit.

Ministry of Land, Infrastructure, Transport and Tourism NETIS Registered Product Ministry of Land, Infrastructure, Transport and Tourism Standard Specifications for Public Building Construction Compliant Product Ministry of Land, Infrastructure, Transport and Tourism Building Equipment Design Standards Compliant Product Class 2 (JIS C 5381-11) Compliant Protects equipment from lightning surges entering through power supply and grounding (earth). Induced lightning compatible. Protects equipment from lightning surges entering through power supply and grounding (earth). JIS compliant. A standard SPD that is installed in distribution boards and sub-distribution boards. SPD, lightning arresters (such as arresters and surge protectors), lightning protection products, lightning surge countermeasure products, induced lightning countermeasures, manufactured by Otowa Electric Industry, a specialist in lightning protection.

  • Other safety equipment

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Power Supply SPD LT-121, LT-122

Power Supply SPD LT-121, LT-122

Protects the line-to-line and line-to-ground connections of a single-phase two-wire circuit with one unit.

Ministry of Land, Infrastructure, Transport and Tourism Public Building Construction Standard Specifications Compatible Products Ministry of Land, Infrastructure, Transport and Tourism Building Equipment Design Standards Compatible Products Class 2 (JIS C 5381-11) Compliant Protects equipment from lightning surges entering through power supply and grounding (earth). Induced lightning compatible. Protects equipment from lightning surges entering through power supply and grounding (earth). JIS compliant. A standard SPD that can be installed in distribution boards and sub-distribution boards. SPD, lightning arresters (such as arresters and surge protectors), lightning protection products, lightning surge protection products, induced lightning measures, manufactured by Otowa Electric Industry, a specialist in lightning protection.

  • Other safety equipment

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Direct Strike Lightning SPD LD-C22EFS Series

Direct Strike Lightning SPD LD-C22EFS Series

Ministry of Land, Infrastructure, Transport and Tourism Building Equipment Design Standards Compliance Products Class 1 & 2 (JIS C 5381-11) Compatible

Compact size with high protection capability Impulse current 25kA, 50kA *No external isolator is required when used as an SPD for grounding. Protects equipment from lightning surges entering through power supply and grounding (earth) with high protection capability. Direct lightning strike compatible. Protects equipment from lightning surges entering through power supply and grounding (earth). Complies with JIS standards. Handles the diversion components of direct lightning strikes and is installed in distribution boards and sub-distribution boards. Manufactured by Otowa Electric Industry, a specialist in SPD, lightning rods (such as arresters and surge protectors), lightning countermeasures, lightning surge countermeasures, and induced lightning countermeasures.

  • Other safety equipment

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Insulation Type Lightning Protector for LAN OLA-PT1000

Insulation Type Lightning Protector for LAN OLA-PT1000

For network devices that connect to a LAN line without grounding.

Gigabit Ethernet compatible 10BASE-T (IEEE802.3i) 100BASE-TX (IEEE802.3u) 1000BASE-T (IEEE802.3ab) Protects network devices and computers connected to the LAN without the need for grounding. Protects devices from lightning surges that intrude from the LAN. SPD, lightning arresters (such as arresters and surge protectors), lightning protection products, lightning surge countermeasures, induced lightning countermeasures, manufactured by Otowa Electric Industry, a specialist in lightning protection.

  • Other safety equipment

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GPS SPD STB-NJJ-GPSL1

GPS SPD STB-NJJ-GPSL1

Compliance with JIS C 5381-21

For connecting devices to GPS antenna ports *For inquiries regarding impulse durability D1 compatible products, please contact us separately. Protects equipment from lightning surges entering through coaxial cables. JIS compliant. Manufactured by Otowa Electric Industry, a specialist in lightning protection products, including SPD, lightning arresters (such as arresters and surge protectors), lightning countermeasures, and lightning surge countermeasures.

  • Other safety equipment

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Lightning Surge Protector for TV Antenna TGS2T (W)

Lightning Surge Protector for TV Antenna TGS2T (W)

Terrestrial digital television broadcasting, BS, CS, and FM compatible.

Terrestrial digital television broadcasting, BS, CS, FM compatible Protects devices such as TVs and BD recorders from lightning surges. Manufactured by Otowa Electric Industry, a specialist in lightning protection products, including SPD, lightning arresters (such as arresters and surge protectors), lightning countermeasure products, and induced lightning countermeasures.

  • Other power sources
  • Other energy equipment

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IP Protector

IP Protector

Easy installation on general-purpose PLCs. Prevents cracking by malicious third parties.

This product is a protector that can be used with existing equipment, eliminating the need to replace the PLC. It has a mechanism that allows only the core part of the control logic to be written to the CPU chip, enabling engineers to use the input and output functions of the familiar PLC as they are. While reducing the development burden in terms of time and cost associated with system construction, it contributes to the intellectual protection in the area of custom control panels with small quantities and diverse varieties. 【Features】 ■ Easy installation on general-purpose PLCs ■ Protects your intellectual property (program) ■ Can safeguard important PLC programs ■ Prevents cracking by malicious third parties ■ Can be implemented into existing equipment without replacing the PLC itself *For more details, please refer to the PDF materials or feel free to contact us.

  • others

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Multi-trap protector (unit type)

Multi-trap protector (unit type)

【Two-color type for caution】Storage for all types of pipes such as electrical wires, water pipes, and hoses!

It is used in indoor and outdoor areas such as warehouses, road construction sites, temporary construction sites, gas stations, and other public facilities and exhibition halls. * There are variations such as replacement protectors and additional protectors, so please check the catalog for details. ↓ ↓ For more information, please download the catalog and feel free to contact us. ↓ ↓

  • Other work tools
  • mat
  • Other cable related products

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Special Purpose: SURGE PROTECTOR

Special Purpose: SURGE PROTECTOR

Absorbing surge voltage to reduce damage to the LED module.

The "SURGE PROTECTOR" is a product that absorbs surge voltage to reduce damage to LED modules. 【Features】 ■ A two-wire (L-N) surge protector specifically designed for AC100V modules used in signage ■ The built-in LED (white) allows you to check the replacement timing ■ Lightning surge resistance IEC61000-4-5 Level 4 　※ It cannot reduce damage from surges caused by direct lightning strikes. For more details, please refer to the catalog or feel free to contact us.

  • LED Module

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NA type fail-safe thermal protector (motor double protection device)

NA type fail-safe thermal protector (motor double protection device)

Introducing a fail-safe type thermal protector that operates on the safe side (with safety mechanism) in our lineup!

The "NA Type Fail-Safe Thermal Protector" is a motor protection relay developed in response to the needs for addressing PL issues in household appliances and similar products. Even if contact welding occurs, the safety mechanism operates to cut off the circuit. Since the external dimensions and operating characteristics are the same as the conventional KA type, it is easy to replace. 【Features】 ■ Fail-safe type ■ Operates safely even after the thermal protector's lifespan is exhausted ■ A motor protection relay born from the needs to address PL issues ■ Same external dimensions and operating characteristics as the conventional KA type ■ Easy to replace *For more details, please refer to the PDF document or feel free to contact us.

  • relay
  • Other electronic parts

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