Best MCB Manufacturer of 2023
Looking for the best miniature circuit breakers manufacturers to rely on? In this article, we have gathered the Best MCB Brands in the World for your business, including Havells, Schneider, ABB and others. And the types and working principle of available miniature circuit breakers are covered in detail in this reference. Just keep reading!

Miniature Circuit Breaker is known as MCB. When there is an abnormality in the electrical network, such as an overload or short circuit, it automatically switches the electrical circuit off.
Even though the miniature circuit breakers can be reset, the fuse may still detect certain situations and must be replaced. To prevent any form of fire or electrical risks, the MCB is an electromechanical device that protects the electrical load and wires from overcurrent. The MCB is the most popular option for overload and short circuit protection in household applications since handling it is safer and quickly recovers the supply. miniature circuit breakerss are extremely quick to reset and require no upkeep. The respective bi-metal principle used by miniature circuit breakerss guards against overload current and solenoid short circuit current.
Miniature Circuit Breaker Market Overview
To assist customers in understanding the process, the research on the Miniature Circuit Breakers (MCB) market focuses on providing valuable data on investment pockets, growth opportunities, and major market players. The Miniature Circuit Breakers market research is a thorough examination of the Miniature Circuit Breakers industry, with a particular emphasis on the international market situation. The purpose of this report is to provide an overview of the global Miniature Circuit Breakers market, with detailed market segmentation by product application and geography. During the forecast period, the Miniature Circuit Breakers market is expected to grow rapidly.

10 Best MCB Manufacturers in the World of 2023
Here are top MCB Manufacturers that can be relied on:
Legrand MCB

The company was founded in France and sells its products all over the world. It is manufactured in large quantities, such as switch socket fan regulator distribution board MCB, and so on.
Which is ranked second in terms of switch sockets but first in terms of MCBs. It is the No. 1 brand in India due to the trust and positive response of many customers, as well as its trustworthy services.
Homepage: https://www.legrandgroup.com/en
Legrand MCB : https://www.export.legrand.com/en/mcbs-acbs-mccbshttps://www.legrandgroup.com/en/cybersecurity-connected-products
About: https://www.legrandgroup.com/en/group/our-history
Solutions: https://www.legrandgroup.com/en/our-solutions
- Rated Current: 0.5A to 80A
- Number of Poles: 1P, 1P+N, 2P, 3P, 3P+N, and 4P
- Rated Voltage: 16kA to 50kA
Company Name | Found Year | Country | CEO |
Legrand | 1904 | India | Benoît Coquart |
Havells MCB

Havells India Ltd is India’s leading and largest electrical appliance manufacturer, with a global presence that includes kitchen devices home devices LED Light, Fan, MCB, RCCB switch socket modular plate, and the production of a wide range of devices such as motor switch gears.
Havells employs over 6000 people across 23 branch offices in over 50 countries. Their service is both quick and efficient. Customers return to Havells because of the high quality of their products.
Homepage: https://www.havells.com/
About: https://www.havells.com/en/discover-havells.html
Products: https://www.havells.com/en/consumer.html
Havells MCB: https://www.havells.com/search.aspxsearchtext=MCB&searchmode=exactphrase
- Rated Current: 0.5A to 63A
- Number of Poles: 1P, 1P+N, 2P, 3P, 3P+N, and 4P
- Rated Voltage: 240 V~/415 V
Company Name | Found Year | Country | CEO |
Havells India Limited | 1971 | India | Late Sh. Qimat Rai Gupta |
Siemens MCB

Siemens is Europe’s largest industrial manufacturing company. Which has numerous branches around the world. Industry, energy, healthcare, electrical equipment, infrastructure & cities are the primary facilities the company provides for.
The most sought-after companies are Siemens’ MCB and RCCB.
Homepage: https://www.siemens.com/global/en.html
About: https://new.siemens.com/global/en/company/about.html
Products: https://new.siemens.com/global/en/products/consumer.html
MCB: https://new.siemens.com/global/en/products/energy/low-voltage/components/sentron-protection-devices/miniature-circuit-breakers.html
- Rated Voltage: 230 V~/400 V
- Tripping Curves: B, C, D
- Breaking Capacity: 4.5kA to 10kA
- Operational Voltage: 24V~/440V
- Number of poles: 1P, 1P+N, 2P, 3P and 3P+N
Company Name | Found Year | Country | CEO |
Siemens | 1847 | Germany | Roland Busch |
Finolex MCB

Finolex is India’s largest manufacturer of electrical and telecom cables, with yearly revenue of more than $2.26 billion. Finolex guards against higher breaking capabilities as well as overloads and short circuits. It was founded in 1945 and has its headquarters in Pune, India.
PVC Insulated Industrial Industrial Cables, PVC Insulated Single Core & Multicore Flexible Industrial Industrial Cables, Rodent Replant Multicore Flexible Industrial Industrial Cables, PVC Insulated Winding Wires & 3 Core Flat Cables are among the company’s products.
Homepage: https://finolex.com/
About: https://finolex.com/about-us/
Products: https://finolex.com/product-milestones/
Finolex MCB: https://finolex.com/finolex-mcb/
- Rated Current: 6A to 63A
- Tripping Characteristics: Type B and C Curves
- Number of Poles: 1P, 1P+N, 2P, 3P, 3P+N, and 4P
- Rated Operational Voltage: 230 V~/415 V
Company Name | Found Year | Country | CEO |
Finolex Cables Ltd | 1967 | India | D K Chhabria |
Schneider MCB

The Schneider Company is based in Gurugram, Haryana, India. The company was established in 1836. Schneider has a sizable digital and automated device market. The company is one of the most successful in Europe.
The company offers a diverse range of products for residential and small businesses, building and industrial automation and control, low and medium voltage products and systems, solar and energy products, and so on.
Homepage: https://www.se.com/in/en/
About: https://www.se.com/in/en/about-us/company-profile/history/schneider-electric-history.jsp
Products: https://www.se.com/in/en/all-products
MCB: https://www.se.com/in/en/product-category/4200-circuit-breakers-and-switches/
- Rated Current: 6A to 63A
- Tripping Characteristics:Type B, C, and D
- Number of Poles: 1P, 1P+N, 2P, 3P, 3P+N, and 4P
- Rated Operational Voltage: 230 V~/415 V
Company Name | Found Year | Country | CEO |
Schneider Electric | 1836 | Le Creusot, France | Jean-Pascal Tricoire |
ABB MCB

The headquarters of ABB Company are in Gurugram, Haryana, India. The company was established in 1883. The company is a Swiss multinational corporation whose primary product is a comprehensive line of medium voltage solutions for utility, industrial, and commercial customers.
ABB is a well-known inverter brand with operations in the United States, Asia, Europe, the Middle East, and Africa.
Homepage: https://new.abb.com/indian-subcontinent
About: https://new.abb.com/indian-subcontinent/about
Products: https://new.abb.com/indian-subcontinent/products-and-services
Circuit Breakers: https://new.abb.com/low-voltage/products/circuit-breakers
- Rated Current: 0.2A to 63A
- Tripping Characteristics: Type Z, C, and K
- Number of Poles: 1P, 1P+N, 2P, 3P and 3P+N
- - Rated Operational Voltage: 277 V~/480 V; 60/125 VDC
Company Name | Found Year | Country | CEO |
ABB Ltd. | 1988 | Sweden | Bjorn Rosengren |
Hager MCB

Hager Australia is a leading provider of electrical installation solutions for single-family, multi-family, and commercial buildings.
commercial structures Hager’s offering includes everything from energy distribution and metering to switches and sockets.
constructing automation
Over the last five years, Hager has developed and introduced Australian-specific solutions in Modular Protection Devices, residential enclosures, Meterboxes, Switches and sockets, Motion Sensors, Timers, Energy Management, and home Automation… to simplify and secure electrical installations.
Homepage: https://www.hagerelectro.com.au/
About: https://www.hagerelectro.com.au/about-us/1063.htm
Products: https://www.hagerelectro.com.au/downloads-services-support/catalogues-brochures-and-technical-info/product-catalogue-and-price-list/14.htm
MCB: https://www.hagerelectro.com.au/e-catalogue/modular-circuit-protection-devices/modular-circuit-protection-devices-mpd/miniature-circuit-breakers-mcb/47158.html
- Available in current rating options: 0.5 to 63 Amps
- Four pole versions: 1P, 1P+N, 2P, 3P, 3P+N, and 4P
- Tripping curve options: Type B,C and D
- Breaking capacity: 10kA / 15kA
- Rated operational voltage: 230V /400V
Company Name | Found Year | Country | CEO |
Hager | 1955 | Ensheim, Germany | Dean Hager |
Orient Electric MCB

The headquarters of Orient Electric Company is in Bhubaneswar, Odisha, India. The company was established in 1954. In India, Orient Electric has units in Kolkata, Faridabad, Noida, and Guwahati. Aside from India, it manufactures and exports fans to 40 other countries.
Aside from that, this company, which sells fans, lighting, home appliances, and switchgear in India, is a subsidiary of the Indian conglomerate CK Birla Group.
Homepage: https://www.orientelectric.com/
About: https://www.orientelectric.com/orient-worldwide-presence
Products: https://www.orientelectric.com/switch-gear
Miniature Circuits Breaker: https://www.orientelectric.com/switch-gear/miniature-circuit-breaker
- Rated Current: 2A up to 32A
- Tripping Characteristics:Type B, C and D
- Number of Poles: 1P, 1P+N, 2P, 3P, 3P+N, and 4P
- Rated Operational Voltage: 240V/415V
Company Name | Found Year | Country | CEO |
Orient Electric | 1993 | India | Rakesh Khanna |
Eaton MCB

Eaton is based in New Delhi, India. The company was established in 1999. The company has a significant presence in India. The company operates over 18 plants in India and exports to over 175 countries.
Eaton is a major provider of energy-efficient solutions in the manufacturing industry.
Homepage: https://www.eaton.com/in/en-us.html?wtredirect=www.eaton.in/EatonIN/index.htm
About: https://www.eaton.com/in/en-us/company/about-us.html
Products: https://www.eaton.com/in/en-us/products.html
MCB: https://www.eaton.com/in/en-us/catalog/electrical-circuit-protection/xeffect-combined-rcd-mcb-device-frbm6-m-1-n–2–3-and-3-n-pole.html
- Rated Current: up to 63 A
- Tripping Characteristics: Type B, C, D, K, S, and Z
- Number of Poles: 1P, 1P+N, 2P, 3P, 3P+N, and 4P
- Rated Operational Voltage: 240 V~/480 V
Company Name | Found Year | Country | CEO |
Eaton | 1911 | Cleveland | Craig Arnold |
C&S Electric MCB

The headquarters of C&S is in New Delhi, India. The company was established in 1918. This is a company based in the United States. Its main products include low voltage, medium voltage, diesel generators, power busbar, protection devices, and MCB.
The company’s annual revenue is estimated to be $30 billion. Over 17 people are working on it.
Homepage: https://cselectric.co.in/
About: https://cselectric.co.in/about-us/
Products: https://cselectric.co.in/products-solutions/
MCB: https://cselectric.co.in/products-solutions/low-voltage-switchgear/circuit-breakers/
- Rated Current: 0.5A ~ 125A, and 0.5A ~ 63A
- Tripping Characteristics: Type B, C & D
- Number of Poles: 1P, 1P+N, 2P, 3P, 3P+N, and 4P
- Rated Operational Voltage: 240/415V
Company Name | Found Year | Country | CEO |
C&S Electric | 1966 | India | Prakash Chandraker |
What is a Miniature circuit breaker?
An automated switch called an MCB activates when too much current is flowing through the circuit. Without any manual replacement, it can be closed again. Fuse replacement or rewiring is required in the case of fuses, depending on the type of miniature circuit breakers used. Fuse is hence referred to as one of the sacrificial devices. This is the primary reason MCBs are utilized in place of fuses in the majority of circuits. Additionally, the switches in the MCB immediately shut off whenever there is a failure in the circuit, making it simple to identify the problem with the device.

MCB: Working Principle
Mini circuit breakers use a moderately robust mechanical mechanism to reduce failures and false alarms. They are activated by overcurrent, which is an electrical current that exceeds a predefined safe currently.
The bimetallic strip inside the MCB heats up, bends, and trips as a result of excessive current. When a switch is released, the electrical contact points are moved apart to contain the arc (electrical discharge). The arc chute is an insulated metal strip that divides and cools the arc. Once the fault has been remedied and the MCBs have been reset, the contacts shut once more.
Both overloading and short-circuiting are protected by an MCB. These are identified in various ways using various procedures. The bimetallic strip uses thermal operation to guard against overload, whereas the tripping coil uses electro-magnetic operation to protect against short circuits.
The MCB will trip (activate) very quickly—within one-tenth of a second—if the discharge is particularly high. The component will react more slowly when the overcurrent approaches the safety limits.
MCB Types
Based on Tripping Characteristics

Type A
This type of miniature circuit breaker is an extremely sensitive gadget that trips right away when the current exceeds two to three times the rated current.
Type B
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Type C
Type D
Type K
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Type Z
This Type Z travels at about two to three times the full load current.
These miniature circuit breakers are used to protect extremely delicate electronics like semiconductor devices, since they are highly susceptible to short circuits.
Functions of Type Z are control and protection for electronic circuits against short-circuits and weak, long-lasting overloads and are used in business and industry.
Based on the Number of Poles

Single Pole (SP)Â
A single phase of the circuit is protected by a single-pole circuit breaker, which has one switch.
Double Pole (DP)Â Â
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Triple Pole (TP)Â Â
Three Pole with Neutral [TPN (3P+N)]
Four Pole (4P)Â
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How to Choose the Right Miniature circuit breaker?

Choosing the right miniature circuit breaker for the electrical installation is critical because it prevents damage to the wiring isolating characteristics. You will be able to easily select the right MCB for your applications after reading our MCB selection guide.
The following parameters should be considered when selecting an MCB (miniature circuit breaker):
Rated current
Tripping characteristics
Number of poles
This value serves as a reference for the device’s insulation performance. This value is used to calculate the insulation test voltages (impulse, industrial frequency, and so on). Use MCBs with a high insulation voltage whenever possible. As a result, you will have a strong breaker.
Energy class
Accessories
Some MCBs can later be outfitted with an auxiliary contact, signal contact, shunt release, and so on. However, keep in mind that some basic MCBs do not accept accessories. You should pay more if you want more features. Examine the manufacturers’ accessory options.
Dimensions
Mechanical and electrical life

Construction of MCB
An MCB is a molded insulating material enclosure that contains a complete enclosure. This results in mechanically sound and insulated housing.
The switching system consists of two contacts, one fixed and one moving, to which incoming and outgoing wires are connected. Depending on the circuit breaker’s rating, the metal or current carrying parts are made of electrolytic copper or silver alloy.
An electric arc is formed when the contacts are separated in the event of an overload or short circuit. All modern MCBs are designed to handle arc interruption processes in which metallic arc splitter plates provide arc energy extraction and cooling.
The magnetic tripping arrangement consists essentially of a composite magnetic system with a spring-loaded dashpot and a magnetic slug in a silicon fluid, as well as a standard magnetic trip. In the trip arrangement, a current carrying coil moves the slug against a spring towards a fixed pole piece. When the coil produces a sufficient magnetic field, a magnetic pull develops on the trip lever.
The thermal tripping arrangement is made up of a bimetallic strip around which a heater coil is wound to generate heat based on the current flow.
The heater design can be direct, in which current is passed through a bimetal strip that affects a portion of the electric circuit, or indirect, in which a coil of current carrying conductor is wound around the bimetallic strip. In the event of an overload, the deflection of a bimetallic strip activates the tripping mechanism.
Bimetal strips are composed of two different metals, typically brass and steel. Along their length, these metals are riveted and welded. These are designed so that normal currents do not heat the strip to the tripping point, but if the current is increased above the rated value, the strip is warmed, bent, and trips the latch. Bimetallic strips are chosen to provide specific time delays under specific overload conditions.

Conclusion
Miniature Circuit Breakers (MCBs) are used to prevent short-circuiting and overload in electrical systems, equipment, and appliances. In the case of a low voltage electrical network, an MCB makes more sense than a fuse because an MCB is more sensitive to overcurrent.
Before purchasing MCB, make sure to consider features and specifications like current rating, number of poles, fuse type, curve type, and application to ensure you get a variant that meets all of your needs. In this article, you’ll be guided to the top 10 circuit breaker manufacturers in the electric industry.