Top 10 MCB Brands in India, Best for Residential & Commercial use

Many kinds of MCB brands are available in the Indian market. In this article we have mentioned top 10 MCB brands in India, which you can use in electrical circuits to protect the electrical installation.

MCB (Miniature Circuit Breaker) is a safety device, used to protect from electrical hazards. It’s also used to segregate the electrical main circuits to sub circuit, so that during short-circuit only the particular circuit can get automatically switched off.

Why is MCB Used?

MCB is an electromechanical safety device, used to protect an electrical circuit from short-circuit & Overload.

What is the main function of MCB?

MCB get automatically switched off the electrical circuit during any abnormal condition in the particular circuit of electrical network such as short-circuit and overload.

What are the top 10 MCB Brands in India?

Mentioned below top 10 MCB brand in India with available ratings

1. Legrand

Legrand is a French industrial group of companies. Legrand is the world leader in electrical products, systems and information networks. Legrand is a global specialist in electrical and digital building infrastructure. Company developed their business worldwide in more than 180 countries.

In India, Legrand India Ltd has been a leader in the protection business for over two decades, and leverage global knowledge to customise offerings locally. They develop products of ranges wiring devices, home automation, door entry, lighting management systems, cable management and structured cabling to add to core offerings of circuit breakers and distribution boards. 

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Note – Wide range of products (i.e. Switch, Socket, MCB, DB, switchgear, automation and management system device etc) are available in India. Price range is of higher standard.

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2. Schneider Electric

Schneider Electric is a European company. The company has credentials of 180 years after establishment in year 1836.  In India head office of Schneider Electric India Pvt. Ltd. at Gurgaon.

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Note – Many range of products (i.e. Switch, Socket, MCB, DB, switchgear, automation, solar, critical power and management system device etc) are available in India. Price range is of higher standard.

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3. Hager

Hager is a German company; it started their business in 1955. The company started MCB manufacturing in 1987. In India they had started new plant in 2007 at Pune. Corporate office of Hager Electro Private Limited is also in Pune.

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Note – Too many ranges of products (i.e. Switch, Socket, MCB, DB, switchgear, wiring accessories, building automation and energy distribution system device etc) are available in India. Price range is of higher standard.

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4. Siemens

Siemens has been a strong partner to India. This is a European manufacturing company. In 1867 construction of Indo-European telegraph line between London and Calcutta began and in 1922 Simens (India) Ltd was founded in Kolkata.

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Note – Wide range of products (i.e. Switch, Socket, MCB, DB, switchgear, wiring accessories, building technology, drive technology, finance, healthcare, mobility, software, industrial automation and energy system etc) are available in India. Price range is of higher standard.

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5. ABB

ABB is the leading global technology company established in 1883. As new group ABB started operation in 1988 with headquarter in Zurich, Switzerland. In India ABB head office in Bangalore, Karnataka.

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Note – Many ranges of products (i.e. Switch, Socket, MCB, DB, switchgear, wiring accessories, Motion, Robotics & Discrete automation and process automation system etc) are available in India. Price range is of higher standard.

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6. Havell’s

Havells India Limited is a fast moving electrical goods (FMEG) company.  Havells owns some of the most prestigious brands like Havells, Lloyd, Crabtree and Standard.  In 1959 the company commenced trading operation in Delhi.

Check company website here

Note – Wide range of products (i.e. Switch, Socket, MCB, DB, switchgear, wiring accessories, lights, home appliances, Kitchen appliances, personal care devices, solar and automation system etc) are available in India. Price range is of medium standard and easily available in India.

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7. L&T

Larsen & Toubro is an Indian multinational engaged in EPC Projects, Hi-Tech Manufacturing and Services. L&T house its corporate office and head office at Mumbai, India. Presently, it operates in over 50 countries worldwide.

Check company website here

Note – Wide range of products & services (i.e. Switch, Socket, MCB, DB, switchgear, wiring accessories, construction, mining, heavy engineering, hydraulics, power, rubber and shipbuilding etc) are available in India. Price range is of medium standard.

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8. C&S Electric

C&S Electric was founded in 1966; its corporate office is at New Delhi, India. With a dream to be a company which plays a vital role in the development of the power infrastructure of India and makes the “Made in India” label respected the world over.

Check company website here

Note – Many ranges of products (i.e. Switch, Socket, MCB, DB, wiring accessories, low voltage switch board, power busbar, protection and measurement devices etc) are available in India. Price range is of medium standard.

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9. Wipro North-west

Wipro India, a part of Wipro Limited is a leading global IT consulting service provider and a pioneer in Indian Market with decades of experience since 1945. Wipro acquired North-west in 2006 and became an early pioneer in the modular switch industry of India. Corporate office of Wipro is at Bangalore, India.

Check company website here

Note – Wide range of products & services (i.e. Switch, Socket, MCB, DB, wiring accessories, software and IT etc) are available in India. Price range is of medium standard.

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10. Anchor

Anchor by Panasonic, headquartered in Mumbai, India. Panasonic Life Solutions India has a massive presence with 4 Regional Offices. Over 23 state sales headquarters and with a total of 37 Sales offices, we are still expanding.

Check company website here

Note – Too many ranges of products (i.e. Switch, Socket, MCB, DB, wiring accessories, solar, power tool, housing, appliances and protection devices etc) are available in India. Price range is of lower standard.

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What is MCB and its full form?

MCB stands for “Miniature Circuit Breaker.” It is a type of electrical protection device that is used to automatically disconnect the electrical circuit in the event of an overload or short circuit. MCBs are commonly used in residential and commercial electrical installations to protect electrical circuits and equipment from damage due to excessive current. They play a crucial role in ensuring the safety of electrical systems by preventing overheating and potential fire hazards.

What is the meaning of B, C & D curve MCBs?

In the context of Miniature Circuit Breakers (MCBs), the terms B, C, and D refer to different tripping characteristics that indicate the response time of the circuit breaker to overcurrent conditions. MCBs are devices designed to protect electrical circuits from overloads and short circuits.

B Curve: This type of MCB is designed to trip quickly in the event of a moderate overload. It is commonly used for circuits with moderate inrush currents, such as lighting circuits.

C Curve: C curve MCBs have a medium tripping characteristic and are suitable for circuits with higher inrush currents than those protected by B curve MCBs. They provide a good balance between protection against overloads and short circuits.

D Curve: D curve MCBs have a delayed tripping characteristic and are intended for circuits with high inrush currents. They provide enhanced protection for circuits with devices that have high inductive loads, such as motors and transformers.

The choice between B, C, or D curve MCBs depends on the specific characteristics of the electrical circuit they are protecting. For example, circuits with equipment that has high starting currents may require a D curve MCB to avoid unnecessary tripping during normal operation. On the other hand, circuits with more stable and consistent loads may use B or C curve MCBs.

What is the difference between AC & DC MCB?

MCB stands for Miniature Circuit Breaker, and it is a type of electrical switch designed to protect an electrical circuit from damage caused by overcurrent. MCBs can be categorized into two main types based on the type of current they are designed to handle: AC (Alternating Current) MCBs and DC (Direct Current) MCBs. Here are the key differences between AC and DC MCBs:

Type of Current:

AC MCBs: Designed to work with alternating current, which is the most common type of electrical power supplied to homes and businesses.
DC MCBs: Specifically designed to work with direct current, commonly found in battery-operated systems, solar power systems, and some industrial applications.
Arc Interruption:

AC MCBs: Arcs in AC circuits naturally tend to zero during the alternating current waveform cycle, making it relatively easier to interrupt the current at zero crossings. AC MCBs are optimized for interrupting AC arcs.
DC MCBs: DC circuits have a continuous and sustained arc, making it more challenging to interrupt the current. DC MCBs are designed with features to handle and extinguish DC arcs, which are generally more difficult to manage compared to AC arcs.
Voltage Rating:

AC MCB: Rated for the standard voltage of AC power systems, typically 230V or 400V, depending on the region.
DC MCB: Rated for the specific voltage of the DC system it is intended for, such as 12V, 24V, 48V, etc.
Applications:

AC MCBs: Used in circuits where the power source is AC, such as residential and commercial electrical installations.
DC MCBs: Used in circuits where the power source is DC, such as in automotive applications, solar power systems, battery-powered devices, and some industrial settings.
Polarity Sensitivity:

AC MCBs: Generally not polarity sensitive since the current direction changes in an AC circuit.
DC MCBs: Polarity sensitive, meaning they must be connected in the correct direction to effectively interrupt the current.
When selecting an MCB for a specific application, it is crucial to choose the type (AC or DC) that matches the characteristics of the electrical system in which it will be used to ensure proper protection and performance.

What is Isolator used for?

Isolator is a mechanical switching device or manual operated switch used for isolating a circuit. Size of a isolator is same as a MCB.

What is the difference between an Isolator and a MCB?

1. Isolator is generally used in power system as mains and MCB is used as a circuit breaker.
2. Isolator is designed for manual operation and MCB for automatic trip during any abnormal condition in electrical circuit.
3. Isolator does not have any breaking capacity but MCB has it.

What is the difference between MCB & SPD?

MCB (Miniature Circuit Breaker) and SPD (Surge Protection Device) are two different electrical devices used for distinct purposes in electrical systems.

MCB (Miniature Circuit Breaker):

Function: MCB is a protective device designed to automatically disconnect the electrical circuit in case of overcurrent or short circuit. It protects the electrical system from damage due to excessive current flow.

Operation: MCBs operate based on the principle of electromagnetic or thermal tripping. In the case of an overload or short circuit, the MCB will trip and open the circuit, interrupting the flow of electricity.

Application: MCBs are commonly used in residential, commercial, and industrial electrical installations to protect circuits and equipment from overcurrent situations.

SPD (Surge Protection Device):

Function: SPD is designed to protect electrical and electronic devices from voltage spikes or surges caused by events such as lightning strikes, power grid fluctuations, or other high-energy transients. It prevents excessive voltage from reaching and damaging connected equipment.

Operation: SPDs work by diverting the excess voltage to the ground, thereby limiting the voltage that reaches the connected devices. They typically consist of metal oxide varistors (MOVs) or other surge suppression components.

Application: SPDs are commonly used in conjunction with electrical distribution boards or at the point of entry of power lines to protect sensitive equipment, such as computers, appliances, and other electronic devices.

In summary, while MCBs protect against overcurrent or short circuits by disconnecting the circuit, SPDs protect against voltage surges or spikes by diverting excess voltage to the ground. Both devices serve important roles in ensuring the safety and proper functioning of electrical systems.

Which brand MCB is best for home?

Our mentioned all the above MCB brands are top & best. You can choose any of these as per your budget and availability. You must choose a circuit breaker with a perfect curve (i.e. B or C or D curve MCB) and ampere rating to keep the circuit or equipment safe during any electrical hazard.

If you want to know any more you can mail or comment us. If you need expert to design or execute any electrical installation you may contact here.

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