Wenzhou DAQUAN Electric
TE Connectivity
Sweeta Products Corporation
Siemens AG
Shamrock Controls div. of Burns Controls Company
Sang Mao Enterprise Co. Ltd
Rockwell Automation
NOARK Electric North America

30 Circuit Protector Manufacturers in 2023

This section provides an overview for circuit protectors as well as their applications and principles. Also, please take a look at the list of 30 circuit protector manufacturers and their company rankings. Here are the top-ranked circuit protector companies as of November, 2023: 1.NOARK Electric North America, 2.Erickson Electrical Equipment Co., 3.Great Valley Industries, Inc..

Table of Contents

List of 30 Circuit Protector Manufacturers

*Including some distributors, etc.

Sort by Features

  • Default
  • Company Size: largest first
  • Year Founded: oldest first
  • Year Founded: earliest first

Sort by Area

  • United States of America
  • China
  • Germany
  • Japan
  • Slovenia
  • Switzerland
  • Taiwan
WIN SOURCE ELECTRONICS 's Circuit Protectors
- 2-pin, 5V bidirectional ESD protection diode from ON Semiconductor.
- Designed to protect voltage sensitive components from electrostatic discharge (ESD).
- Excellent clamping capability, low leakage, and fast response time.


      Company Overview

      Founded in 1999, WIN SOURCE focuses on optimizing procurement chains in the electronics industry with over 23 years of experience. With more than 3000 manufacturers and over 1 million+ SKU, WIN SOURCE provides one-stop online services, for procuring electronic components for global B2B customers through our widespread supply chains. Moreover, we are committed to guaranteeing 24-hour delivery and a 365-day warranty. Depending on our data IT service platform,WIN SOURCE is dedicated to meeting customers’ demands to achieve one-stop BOM procurement, quickly acquire obsolete inventory, and continuously reduce procurement and production costs.

    • Excellent clamping capability (12.5V) Low leakage current (1uA) Fast response time (less than 1ns)

    • ABB Motors and Mechanical Inc
      • United States of America Address: 5711 R.S. Boreham Jr Street Fort Smith, Arkansas, United States of America

      Manufacturer Overview

      ABB Motors and Mechanical Inc., founded in 1920 and with headquarters in the USA, is a custom manufacturer and marketer of industrial electric motors, drives, and mechanical power transmission products. The company's products include AC/DC, gear, synchronous, variable speed servo motors, and permanent magnet motors produced in over 20 plants across North America, China, and Mexico for the HVAC, chemical, food and beverage, oil and gas, and wastewater industries, among others. ABB Motors and Mechanical Inc. also holds an ISO 9001:2015 certification.

      • United States of America Address: 475 Bonnie Lane Elk Grove Village, Illinois, United States of America

      Manufacturer Overview

      Erickson Electrical Equipment Co. is a manufacturer of utility metering products, founded in 1932, and headquartered in Elk Grove Village, Illinois. They offer type CM group metering (modular) in both 240V and 480V, current transformer section with the disconnect in both 240V and 480V and current transformer cabinets. They also offer ground detectors, termination boxes, and accessories. Their products are used for accurate metering of electrical services, serving several sectors, including commercial, industrial, and residential.

    • Addison Building Materials
      • United States of America Address: 3201 S. Busse Road, Arlington Heights, Illinois, United States of America

      Company Overview

      Addison Building Materials was founded in 1947in Arlington Heights, Illinois. Addison has over 38,000 items in stock across departments including lumber, building materials, hand tools, power tools, electrical, fastener, paper products, SOG Knives, janitorial, clothing, ice & snow, automotive, and audio-visual departments. In addition, Addison offers various services including custom orders, local delivery, rental program for contractor and industrial tools and equipment, lumber cutting, pipe threading, and paint color matching.

    • Federal Electronics Inc.
      • United States of America Address: 75 Stamp Farm Road, Cranston, Rhode Island, United States of America

      Company Overview

      Federal Radio and Television, now known as Federal Electronics, was founded in Providence, Rhode Island, in 1948. They were established by Romolo Evangelista and initially sold and maintained electric machinery and appliances. Federal Electronics is now an Electronic Manufacturing Services (EMS) supplier with offices in Rhode Island and Mexico. They engage in electronic contract manufacturing that is adaptable and configurable. Their services include but are not limited to, fiber optic interconnects, box builds, and systems integration.

    • Pollak
      • United States of America Address: 37-18 Northern Blvd, Long Island City, New York, United States of America

      Company Overview

      Pollak Corporation was established in 1909 as a tool and die shop in Boston, Massachusetts. In 2019, Pollak Joined Standard Motor Products and expanded its product offerings. Today, Pollak provides custom design, test, and manufacturing for automotive, agricultural, construction, and marine-related industries. In the company’s ISO 9001/QS9000 certified facilities, the company advances customer requests from the concept stage through testing, initial production, and all the way to volume production. The company’s existing customers include Ford, General Motors, PACCAR, John Deere, and Caterpillar.

    • Marshall DC Lighting
      • United States of America Address: 329 W Lone Cactus Dr., Ste 1, Phoenix, Arizona, United States of America

      Company Overview

      Marshall DC Lighting (MDL) is an American supplier of LED lighting solutions established in 2017 and based in Phoenix, Arizona. The company stocks various direct current (DC) LED light products, including standard, remote and off-grid lighting, as well as fixtures and utility items like exit signs. They operate as a partner to Nextek Power Systems, which is a national pioneer of DC-powered systems and technologies. MDL serves the lighting needs of in-state public utility companies, as well as client companies like Cox Communications, DuPont, and Lowe's.

      • United States of America Address: 1024 EAST NEW CIRCLE ROAD, LEXINGTON, Kentucky, United States of America

      Distributor Overview is located in Lexington, Kentucky. Twittlebit is a distributor of industrial equipment and components divided into 8 sub-stores including: sensors, HMI & PLC, visual & audio , panel components, and pneumatic & vacuum. The company offers next day delivery to Kentucky and neighboring states, and 2-to-3-day delivery to most other states of in-stock products. The company offers in-stock selection of many top brands such as Autonics, EEControls, Panasonic, and Cembre. The company can also in-source many hard to find products directly from Japan from companies such as IDEC, Canon, Omron, and Fuji Electric in 7-to-10-days.

    • Dietz Electric Co., Inc.
      • United States of America Address: 4329 W Lincoln Ave, Milwaukee, Wisconsin, United States of America

      Distributor Overview

      Dietz Electric was founded in 1974 and is based in Milwaukee, Wisconsin. Dietz Electric is a broad-line stocking distributor offering electric motors, drives, and power transmission products. Dietz Electric also offers customization options to test, manufacture, modify, and repair all product offerings. Product offerings include electric motors, hazardous locations motors, custom electric motors, variable frequency drives, motor controls, power transmission solutions, and specialty items such as purge systems, Uras vibrators, disc brakes, transformers, and AC line reactors.

    • Shamrock Controls div. of Burns Controls Company
      • United States of America Address: 13735 Beta Rd. Dallas, Texas, United States of America

      Distributor Overview

      Shamrock Controls is a division of Burns Controls Company, an industrial distributor of hydraulic, pneumatic, and automation products. Burns Controls Company was established in 1971 in Dallas Texas. Shamrock Controls is a global distributor of IEC electrical motor controls and factor automation solutions. Shamrock Controls product listings include contractors, overload relays, DP contractors, relays, push buttons, pilot lights, control stations, motor starters, circuit breakers, disconnect switches, cam switches, power supplies, terminal blocks, cable glands, lock nuts, din rails, ducts, wire accessories, and various pneumatic components.

    • Wenzhou DAQUAN Electric
      • China Address: Xinguang industrial zone, liushi of Wenzhou, Zhejiang, China

      Manufacturer Overview

      Wenzhou DAQUAN Electric Co., Ltd was founded in 1996 in Wenzhou, China. The company is an electrical products manufacturer of relays, relay sockets, timers, meters, and related components to customers both in and outside of China and serves both home appliance customers as well as industrial customers in manufacturing and other industries. The company has 5 major product segments including relays, timers, meters, circuit breakers, and switches. The company also sells various tools, alarm devices, and product accessories.

    • Siemens AG
      • Germany Address: Siemens Aktiengesellschaft, Werner-von-Siemens-Straße 1, Munich, Freistaat Bayern, Germany

      Manufacturer Overview

      Siemens began in 1847 and is headquartered in Munich, Germany. Siemens focuses in automation and digitalization technology and operates globally. Siemens’s 5 operating segments are digital industries, smart infrastructure, mobility, Siemens Healthineers, and Siemens Financial Services. Siemens Financial Services provides debt and equity investment as well as financing solutions. Siemens Healthineers is a medical devices company that provides products and consulting. Mobility includes passenger and freight transportation. Smart infrastructure includes full solutions for electrification. Digital industries offer both software and hardware for industries and production efficiency.

    • Mitsubishi Electric Corporation
      • Japan Address: Tokyo Building,2-7-3, Marunouchi, Chiyoda-ku, Tokyo, Japan

      Manufacturer Overview

      Mitsubishi Electric was established in Japan in 1921 and headquartered in Tokyo. The company’s Semiconductors & Devices division is a manufacturer of products serving several industries ranging from home appliances and automotive to renewable energy and optical fiber communication. The company’s products are divided into 4 product segments: power devices, high-frequency devices, optical devices, and infrared sensors. Power devices encompass motion controls, most home appliances, and SiC applications. High-frequency devices include satellite communications systems, radios, and base transceiver stations. Optical devices include projector light sources and optical fiber communication. Infrared sensing systems include MeIDIR thermal sensors.

    • ETI Elektroelement d.o.o.
      • Slovenia Address: Obrezija 5, 1411, Izlake, Slovenia

      Manufacturer Overview

      ETI is a manufacturer of electrical protection and control products based in Slovenia, Central Europe where it was established in 1950. The company deals in circuit breakers and switches along with enclosures, distribution boards, and equipment ETIBOX. The company is also known for manufacturing transformers, contractors, fuses, and control devices. These products are installed as integral solutions for the protection of electrical equipment and components in residential and commercial buildings, in the field of electric power and industry electrical installations.

    • Hosiden Corporation
      • Japan Address: 4-33, Kitakyuhoji 1-Chome, Yao-City, Osaka, Japan

      Manufacturer Overview

      Hoisden Corporation, founded in 1950, is a manufacturer and retailer of electronic components based in Kitakyuhoji, Japan. The products include transducers, electromechanical components, acoustic components, and wireless components. The transducers are speakers, receivers, microphones, and touch sensors, whereas the electro-mechanical components include HDMI connectors, USB connectors, miniature jacks, detector switches, and remote control units used in telecommunication, healthcare, home, and amusement industries. The company runs an OEM, ODM, and EMS contract and production service department, collaborating with the customer to plan, design and produce products according to their desired design or specifications.

    • Sweeta Products Corporation
      • Taiwan Address: 23552 1F, No.799 Chung Cheng Road, Chung Ho Dist, New Taipei City, Taiwan

      Manufacturer Overview

      SWEETA was established in 1995 and is headquartered in New Taipei City, Taiwan. SWEETA is a manufacturer of switches, AC sockets, and circuit breakers globally. Most products have been certified to meet international safety standards such as UL, CSA, VDE, and others. SWEETA has an extensive product line. A few listings include AC sockets, plug adapters, switches, thermostats, and test tweezers.

    • E-T-A Elektrotechnische Apparate GmbH
      • Germany Address: Industriestraße 2-8, Altdorf, Freistaat Bayern, Germany

      Manufacturer Overview

      E-T-A, founded in Bayern, Germany, in 1948 is a manufacturer of overcurrent protection, power distribution, relays and intelligent systems. The company's product portfolio includes thermal-magnetic devices as well as magnetic and hydraulic-magnetic circuit breakers, battery isolation switches, power entry modules, and solid state relays and intelligent systems. The company serves industries such as Oil and Gas, Aerospace and Defense, Automotive and Transportation, Construction, and Power Generation. They have 4 production sites and operate in more than 60 countries.

    • Sang Mao Enterprise Co. Ltd
      • Taiwan Address: No. 27, Yongke 7th Rd., Yongkang Dist., Tainan City, Taiwan

      Manufacturer Overview

      Sang Mao Enterprise, since 1984, is a manufacturer of circuit overload protection components including temperature switches & control fuses, circuit breakers, and leak-proof temperature sensors based in Tainan City, Taiwan. Their circuit breakers are square, round, or toothless fixed heads or fixed frames with automatic return, manual reset, and shaking return types. The company also manufactures 1-inch and ¾ inch single and three-phase motor protectors. Sang Mao has passed ISO 9001:2015 certification and is UL, CCC, CSA, TUV, and VDE-approved. Their products are used in household appliances, automotive equipment, pumps & motors, and business machinery, including medical equipment, transformers, and industrial instruments.

      • Switzerland Address: Werkhofstrasse 8 Lucerne, Lucerne, Switzerland

      Manufacturer Overview

      The SCHURTER Company was founded in 1933 and operates out of Lucerne, Switzerland. SCHURTER is an innovator and producer of electronic components for many markets including industrial equipment, medical equipment, automotive, avionics and space, data and communication, and energy. SCHURTER products and solutions include: circuit protection, connectors, switches, EMC, custom components, HMI solutions, PCAP touchscreens, resistive touchscreens, capacitive switches, membrane switches, and a series of smart products including Smart Connector DS11 PEM, Smart Connector DT31 external, and Smart Ecosystem.

    • Carling Technologies Inc.

      Manufacturer Overview

      Carling Technologies, founded in 1920 in Connecticut, USA, is a circuit breaker and switch manufacturer. The company specializes in the design, development, and manufacturing of advanced switches and control products. Their comprehensive product line comprises of toggle switches, rocker switches, push-button switches, rotary switches, and circuit breakers. These products are crucial for managing electrical systems, keeping operations secure, and regulating power distribution. They are used in various industries, such as automotive, marine, aerospace, industrial, and telecommunications. The company also offers customized, advanced solutions for marine technology, including power regulations for vessels of any size and circuit protection.

    • TE Connectivity

      Manufacturer Overview

      TE Connectivity Ltd., started in 2007 and headquartered in Schaffhausen, Switzerland, is a designer and manufacturer of sensor and connectivity solutions for harsh conditions. It operates three primary segments, namely transport, industrial, and communication solutions, and its product portfolio includes automotive connectors, fiber optic connectors, analog power meters, RTD sensors, and circuit breakers. It serves customers in approximately 140 countries and several industries, including aerospace, automotive, rail, IoT connectivity, and E-mobility. The company manufactures 192 billion products annually and has invested over 610 million USD in research development and engineering.

    • Crouzet

      Manufacturer Overview

      Crouzet was founded in 1921 and is headquartered in France. The company is an independent manufacturer of mechatronic components for applications in the aerospace, energy, building, and machinery industries. The company offers four primary product categories: Switches & Sensors, Aerospace, Motion, and Automation & Control. Aerospace includes cockpit controls, electrical protection, and various position sensors. These are designed to increase pilot comfort and improve flight safety. Motion includes motors, actuators, and external control electronics. Automation & Control includes both hardware and software solutions.

    • NOARK Electric North America

      Manufacturer Overview

      NOARK is based in Pomona, California, and is a global manufacturer of low-voltage electrical components for industrial applications. NOARK specializes in motor controls and protection for original equipment and manufacturers with products covered by five-year limited warranties. NOARK parts are used in numerous solutions such as HVAC and refrigeration, industrial food equipment, panel builders, digital storage, and engine generators. NOARK’s main product lines include low-voltage power circuit breakers, molded case circuit breakers, miniature circuit breakers, overload relays, and circuit control devices.

    • Fuji Electric Equipment Control

      Company Overview

      Fuji Electric Equipment Control was established in 2008 in Saitama-ken, Japan is a manufacturer of power distribution and control equipment. The company boasts an extensive and diversified product portfolio including motor controls, MV distributors, energy control equipment, LV distributors, and industrial control relays. These products find applications in construction as magnetic contactors, automotive as manual motor starters, home appliances as air circuit breakers, health care devices as sensors and switches, and in environmental management for quality assurance and protection of high-voltage electric power and management of low-voltage consumption rate.

    • Rockwell Automation

      Company Overview

      Rockwell Automation, Inc. was founded in 1903 and is headquartered in Milwakee, WI. Rockwell Automation provides industrial automation and digital transformation solutions around the world. Rockwell Automation operates through their intelligent devices, software & control, and lifecycle services segments with both hardware and software products and services. The Intelligent Devices segment offers drives, motion, safety, sensing, industrial components, and configured-to-order products. The Software & Control segment provides control and visualization software and hardware, information software, and network and security infrastructure solutions. The Lifecycle Services segment provides consulting, professional services and solutions, and connected and maintenance services through independent distributors.

    • American Electrical, Inc.

      Company Overview

      American Electrical was founded in 1997 and is based out of Richmond, Virginia. The company is a distributor of DIN rail-mounted components and electrical equipment to customers in the US as well as overseas. The company offers 3 product segments: Connection, Protection, and Wire Preparation. The connection segment includes terminal blocks, PCB terminal blocks, IR modules, and DIN rails. The Protection segment includes products such as circuit breakers and surge arrestors. Wire Preparation offerings include wiring ducts, wire ferrules, and tools.

    • Hybrid Electronics Corporation

      Distributor Overview

      Hybrid Electronics is a global distribution specialist of electronic components, with access to over 50 million unique components. Among the markets HE serves are the aerospace, automotive, communications, defense, industrial, medical, national security, and test & measurement industries. In addition to components, HE also provides quality and compliance testing, counterfeit detection, upscreening, and other forms of quality control. Examples of component subtypes that HE offers include ICs, batteries, capacitors, semiconductor products, sensors, circuit protection, interconnectors, filters, optoelectronics, relays, switches, power supplies, and cables and cable assemblies.

    • AutomationDirect Inc.

      Distributor Overview was founded in 1994 to provide solutions for the industrial automation market and has been growing its list of offerings ever since. AutomationDirects’ extensive catalog includes individual components such as cables, various controls, I/O devices, relays, gauges, fittings, and sensors to complete systems. Many parts and devices, especially PLC units are customizable. also provides support via video instructions, online manuals, a learning library, an active community forum to further assist customers.

Circuit Protector Manufacturer Ranking

*Including some distributors, etc.

Derivation Method

The ranking is calculated based on the click share within the circuit protector page as of November 2023. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.

Number of Employees

  1. Siemens AG: 311,000
  2. Mitsubishi Electric Corporation: 145,696
  3. Hosiden Corporation: 590

Newly Established Company

  1. WIN SOURCE ELECTRONICS: 1999 (24 years ago)
  2. Wenzhou DAQUAN Electric: 1996 (27 years ago)
  3. Sweeta Products Corporation: 1995 (28 years ago)

Company with a History

  1. Pollak: 1909 (114 years ago)
  2. Mitsubishi Electric Corporation: 1921 (102 years ago)
  3. SCHURTER: 1933 (90 years ago)

Related Products

Search from All Categories

This is the version of our website addressed to speakers of English in the United States. If you are a resident of another country, please select the appropriate version of Metoree for your country in the drop-down menu.

Copyright © 2023 Metoree