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Molded Case Circuit Breakers (Mccb)

Showing 40 out of 8183 products

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₹51,919 - ₹55,459
The L&T [ Lauritz Knudsen ] DN2-250SD 4 Pole MCCB Switch Disconnector without Protection Release from the CM968_ _OO_OOG Series is a critical component in electrical distribution systems, designed to ensure safe and efficient operation in various industrial and commercial environments. Featuring a four-pole configuration, this MCCB switch disconnector efficiently manages current flow in each phase, allowing for seamless isolation of electrical circuits when required for maintenance, repair, or emergency situations. Its design excludes a protection release mechanism, simplifying operation while providing essential disconnection capabilities. Crafted with precision and built to meet stringent safety standards, this MCCB switch disconnector guarantees reliable performance even in demanding environments. Its robust construction, utilizing high-quality materials, ensures durability and longevity, enhancing its reliability over prolonged use. Installation and maintenance are simplified with its user-friendly design, featuring accessible terminals and clear markings. This facilitates seamless integration into electrical systems and streamlines routine servicing tasks, ultimately reducing downtime and optimizing operational efficiency. In summary, the L&T DN2-250SD 4 Pole MCCB Switch Disconnector without Protection Release from the CM968_ _OO_OOG Series offers a dependable solution for essential circuit isolation needs. Its sturdy design, reliable performance, and user-friendly features make it an ideal choice for ensuring safety and efficiency in electrical distribution systems.
green checkType of Product : MCCB Switch Disconnector Without Protection Release
green checkNo. of Pole : 4 Pole
₹9,557 - ₹34,219
Schneider Electric 25 kA 3 Pole EasyPact CVS Thermal Magnetic Trip MCCB is a vital component in electrical distribution systems, designed to protect circuits from overloads and short circuits. This MCCB employs both thermal and magnetic mechanisms to ensure efficient and reliable operation in diverse applications. The thermal element responds to prolonged overcurrent conditions, such as moderate overloads, by causing the breaker to trip. This protects against damage to equipment and wiring caused by overheating. Meanwhile, the magnetic mechanism reacts swiftly to short-circuit currents, quickly interrupting the circuit to prevent catastrophic damage. Schneider Electric's MCCBs are engineered with advanced technologies to provide precise and sensitive protection while maintaining robustness and durability. They are available in various sizes and configurations to suit different voltage and current requirements, ensuring compatibility with a wide range of installations. With features like adjustable trip settings and reliable performance, Schneider Electric's Thermal Magnetic Trip MCCBs offer peace of mind for electrical system protection. Whether used in industrial facilities, commercial buildings, or residential settings, these MCCBs play a crucial role in maintaining safety and reliability in electrical distribution networks.
green checkType of Product : Thermal Magnetic Trip MCCB
green checkSeries : EasyPact CVS
green checkBreaking Capacity : 25 kA
green checkNo. of Pole : 3 Pole
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₹5,191 - ₹5,191
The Havells MCCB Enclosures, IHE Series, are meticulously designed to house and protect Molded Case Circuit Breakers (MCCBs) in a variety of electrical installations. These enclosures offer robust protection, ensuring the safety and integrity of critical electrical components in residential, commercial, and industrial settings. Crafted with precision and durability in mind, the IHEL Series enclosures are engineered to withstand harsh environmental conditions and provide reliable performance over an extended service life. Their rugged construction and high-quality materials offer exceptional resistance to corrosion, impact, and other external factors, ensuring long-term reliability and peace of mind. Featuring a modular design, these enclosures provide flexibility and ease of installation, allowing for seamless integration into existing electrical systems. Their sleek and compact profile minimizes space requirements while maximizing functionality, making them suitable for a wide range of applications. Equipped with advanced safety features, such as lockable doors and IP65-rated protection, the Havells MCCB Enclosures offer enhanced security and protection against unauthorized access and environmental hazards. Additionally, they are designed to facilitate efficient cable management and wiring, simplifying maintenance and ensuring optimal performance. Upgrade your electrical infrastructure with the Havells IHEL Series MCCB Enclosures and enjoy superior protection, reliability, and versatility for your critical electrical systems. Whether for residential, commercial, or industrial applications, these enclosures provide the peace of mind and confidence needed for uninterrupted operation.
green checkType of Product : MCCB Enclosures
green checkSeries : Loadline
₹29,499 - ₹37,759
The L&T [ Lauritz Knudsen ] 4 Pole Molded Case Circuit Breaker (MCCB) from the CM98404OO_O Series is a critical component in ensuring electrical safety and reliability across diverse industrial, commercial, and residential applications. With its four-pole configuration, this MCCB efficiently manages current flow in each phase, effectively preventing equipment damage and reducing downtime. Engineered to adhere to stringent safety standards, it offers robust protection against abnormal conditions, ensuring the integrity of electrical systems. Crafted with precision and durability, the MCCB guarantees reliable performance even in demanding environments. Its construction from high-quality materials ensures longevity and resilience, bolstering its dependability. Installation and maintenance are simplified with its user-friendly design, featuring accessible terminals and clear markings. This facilitates seamless integration into electrical systems and streamlines routine servicing tasks, ultimately minimizing downtime and optimizing operational efficiency. In summary, the L&T 4 Pole MCCB from the CM98404OO_O Series represents a trusted solution for advanced circuit protection. Its robust construction, adherence to safety standards, and user-friendly design make it an ideal choice for safeguarding the safety and reliability of electrical distribution systems.
green checkType of Product : MCCB
green checkNo. of Pole : 4 Pole
₹4,601 - ₹4,601
The L&T [ Lauritz Knudsen ] 3 Pole Molded Case Circuit Breaker (MCCB) with the model number CM9_ _ _ _OO_ _ Series is a pivotal component in electrical systems, designed to provide robust protection against overcurrents and short circuits. Engineered with precision and adherence to industry standards, this MCCB ensures reliable performance across a variety of applications. The 3-pole configuration allows comprehensive protection for three-phase circuits, making it suitable for industrial, commercial, and residential settings. The MCCB's design incorporates advanced features to enhance its functionality and safety. It is constructed from high-quality materials, ensuring durability and longevity in operation. The MCCB also features thermal and magnetic trip units to respond swiftly to overload and short circuit conditions, preventing equipment damage and electrical hazards. Installation and maintenance of the MCCB are straightforward due to its user-friendly design. Features such as easily accessible terminals and clear markings facilitate quick and efficient installation and servicing, minimizing downtime and enhancing operational efficiency. Overall, the L&T 3 Pole MCCB from the CM9_ _ _ _OO_ _ Series offers reliable and comprehensive protection for electrical circuits. Its robust construction, advanced features, and ease of maintenance make it a preferred choice for ensuring the safety and reliability of electrical distribution systems.
green checkType of Product : MCCB
green checkNo. of Pole : 3 Pole
₹20,059 - ₹27,139
C&S Electric 26 kA 415 V AC Double Pole Molded Case Circuit Breakers (MCCB), CSC4N2 are designed for reliable protection and efficient control of electrical circuits in low voltage distribution systems. Featuring a double pole configuration, these MCCBs enable effective switching and isolation of phase and neutral, making them suitable for commercial and industrial applications. With a rated breaking capacity of 26 kA, the breaker is capable of safely interrupting fault currents, while its 415 V AC voltage rating ensures consistent performance across varied electrical loads. The CSC4N2 MCCB series is built with a compact and durable design that supports stable operation in demanding environments. It provides protection against overload and short circuit conditions, helping maintain the safety and continuity of connected equipment. Engineered for accurate tripping characteristics and smooth switching performance, the breaker ensures dependable circuit management. Its design allows easy integration into standard electrical panels, making it suitable for installations requiring reliable and precise electrical protection.
green checkType of Product : Molded Case Circuit Breakers (MCCB)
green checkBreaking Capacity : 26 kA
green checkNo. of Pole : 2 Pole
green checkRated Voltage : 415 V AC
green checkFrame Size : Frame 3
green checkStandard : IS/IEC 60947-2
green checkVoltage Type : AC
₹76,699 - ₹89,679
C&S Electric 65 kA 415 V AC Three Pole Molded Case Circuit Breakers (MCCB), CSC6S3 are designed for efficient protection and control of electrical circuits in low voltage distribution systems. Featuring a three pole configuration, these MCCBs provide reliable switching and isolation for three-phase applications, making them suitable for industrial and commercial installations. With a high breaking capacity of 65 kA, the breaker ensures safe interruption of heavy fault currents, while its 415 V AC voltage rating supports stable and consistent performance across demanding electrical networks. The CSC6S3 MCCB series is built with a robust and compact design that enhances durability and operational reliability under varied conditions. It offers dependable protection against overload and short circuit faults, ensuring the safety of connected equipment and systems. Engineered for precise tripping characteristics and smooth switching operations, the breaker supports effective circuit control and management. Its design allows easy installation in standard electrical panels, making it suitable for applications requiring reliable and high-capacity electrical protection.
green checkType of Product : Molded Case Circuit Breakers (MCCB)
green checkBreaking Capacity : 65 kA
green checkNo. of Pole : 3 Pole
green checkRated Voltage : 415 V AC
green checkFrame Size : Frame 5
green checkStandard : IS/IEC 60947-2
green checkVoltage Type : AC
₹14,159 - ₹15,339
C&S Electric 25 kA 415 V AC Four Pole Molded Case Circuit Breaker (MCCB), CS2B4C is designed for dependable circuit protection in low voltage electrical distribution systems. Built with a four pole configuration, it ensures effective isolation and control across all phases and neutral, making it suitable for industrial and commercial applications. With a breaking capacity of 25 kA, this MCCB is capable of handling high fault levels while maintaining operational safety. The device supports a voltage rating of 415 V AC and is available in current ratings ranging from 16 to 100 Amp, allowing precise selection based on load requirements. The CS2B4C MCCB features a compact and robust construction that enhances durability and performance in demanding environments. It is engineered to provide protection against overload and short circuit conditions, ensuring stability of connected equipment and systems. The four pole design offers improved safety in applications requiring complete circuit disconnection. Designed for easy installation and compatibility with standard electrical panels, this MCCB delivers consistent performance with reliable tripping characteristics under varying load conditions.
green checkType of Product : Molded Case Circuit Breakers (MCCB)
green checkBreaking Capacity : 25 kA
green checkNo. of Pole : 4 Pole
green checkRated Voltage : 415 V AC
green checkFrame Size : Frame 2
green checkStandard : IS/IEC 60947-2
green checkVoltage Type : AC
₹9,911 - ₹14,159
The L&T [ Lauritz Knudsen ] 3 Pole Molded Case Circuit Breaker (MCCB) from the CM9806_OOOO Series is a vital component in electrical distribution systems, engineered to offer robust protection against overcurrents and short circuits. Designed with precision and in compliance with industry standards, this MCCB ensures dependable performance across various applications. Its 3-pole configuration provides comprehensive protection for three-phase circuits, making it suitable for industrial, commercial, and residential settings. Equipped with advanced features, this MCCB incorporates thermal and magnetic trip units to promptly respond to overload and short circuit conditions, preventing equipment damage and electrical hazards. Constructed from high-quality materials, the CM9806_OOOO Series guarantees durability and longevity, capable of withstanding the rigors of daily operation. Its sturdy design ensures reliable performance even in demanding environments. Installation and maintenance of the MCCB are simplified due to its user-friendly design. Features such as easily accessible terminals and clear markings facilitate quick and efficient installation and servicing, minimizing downtime and enhancing operational efficiency. In summary, the L&T 3 Pole MCCB from the CM9806_OOOO Series offers reliable and comprehensive protection for electrical circuits. Its robust construction, advanced features, and ease of maintenance make it a preferred choice for ensuring the safety and reliability of electrical distribution systems.
green checkType of Product : MCCB
green checkRated Voltage : 415 V
₹22,419 - ₹36,579
The C&S Electric MCCB 25 kA ATM (Thermal Magnetic) Release Adj O/L 80-100% Adj S/C, CSE2M250ATM is designed to deliver controlled circuit protection in low voltage power distribution systems. Built with a thermal magnetic release mechanism, it provides reliable response to both overload and short circuit conditions. The adjustable overload setting ranging from 80% to 100% enables precise current management, allowing the breaker to align with varying load requirements. With a 25 kA breaking capacity, this MCCB is suitable for handling fault levels in commercial and industrial installations. The CSE2M250ATM model features an adjustable short circuit protection setting that enhances operational flexibility and protection coordination within electrical networks. Its compact and durable construction supports consistent performance under demanding conditions, while ensuring secure isolation and switching of circuits. The MCCB is engineered to maintain system integrity by minimizing fault impact, making it a dependable component in panel boards, distribution systems, and motor protection applications where controlled tripping characteristics are required.
green checkType of Product : Molded Case Circuit Breakers (MCCB)
green checkBreaking Capacity : 25 kA
green checkRated Voltage : 415 V AC
green checkCountry of Origin : India
green checkName of Manufacturer/Packer/Importer : ABHIK ENTERPRISES
₹23,599 - ₹34,219
The C&S Electric MCCB 36 kA ATM (Thermal Magnetic) Release Adj O/L 80-100% Adj S/C, CSE2NN250ATM is engineered for efficient protection of electrical circuits in low voltage distribution systems. Equipped with a thermal magnetic release, it ensures dependable tripping performance under both overload and short circuit conditions. The adjustable overload setting from 80% to 100% allows accurate current configuration to match application requirements. With a high breaking capacity of 36 kA, this MCCB is suitable for installations where elevated fault levels demand reliable interruption capability. The CSE2NN250ATM model also features an adjustable short circuit protection mechanism, enabling improved coordination and system protection. Its robust construction supports consistent operation in commercial and industrial environments, ensuring safe switching and isolation of circuits. Designed for panel integration, this MCCB helps maintain electrical system stability by limiting damage during fault conditions, making it a suitable choice for applications requiring controlled and adjustable protection characteristics.
green checkType of Product : Molded Case Circuit Breakers (MCCB)
green checkBreaking Capacity : 36 kA
green checkRated Voltage : 415 V AC
green checkCountry of Origin : India
green checkName of Manufacturer/Packer/Importer : ABHIK ENTERPRISES
₹84,959 - ₹1,23,899
C&S Electric 85 kA 415 V AC Molded Case Circuit Breakers (MCCB), CSC5L are designed for high-capacity protection and control in low voltage electrical distribution systems. Engineered with a breaking capacity of 85 kA, these MCCBs are capable of safely interrupting very high fault currents, making them suitable for demanding industrial and commercial applications. With a voltage rating of 415 V AC, the CSC5L series ensures stable and efficient performance across varied load conditions, supporting reliable circuit operation. The CSC5L MCCB range features a robust and compact construction that enhances durability and operational consistency in challenging environments. It provides protection against overload and short circuit faults, ensuring the safety of connected equipment and electrical networks. Designed for accurate tripping characteristics and smooth switching operations, these breakers enable effective circuit isolation and management. The design allows easy integration into standard electrical panels, making them suitable for installations requiring dependable and high-performance electrical protection.C&S Electric 85 kA 415 V AC Molded Case Circuit Breakers (MCCB), CSC5L are designed for high-capacity protection and control in low voltage electrical distribution systems. Engineered with a breaking capacity of 85 kA, these MCCBs are capable of safely interrupting very high fault currents, making them suitable for demanding industrial and commercial applications. With a voltage rating of 415 V AC, the CSC5L series ensures stable and efficient performance across varied load conditions, supporting reliable circuit operation. The CSC5L MCCB range features a robust and compact construction that enhances durability and operational consistency in challenging environments. It provides protection against overload and short circuit faults, ensuring the safety of connected equipment and electrical networks. Designed for accurate tripping characteristics and smooth switching operations, these breakers enable effective circuit isolation and management. The design allows easy integration into standard electrical panels, making them suitable for installations requiring dependable and high-performance electrical protection.
green checkType of Product : Molded Case Circuit Breakers (MCCB)
green checkBreaking Capacity : 85 kA
green checkRated Voltage : 415 V AC
green checkFrame Size : Frame 4
green checkStandard : IS/IEC 60947-2
₹11,091 - ₹11,563
C&S Electric 37 kA 415 V AC Double Pole Molded Case Circuit Breakers (MCCB), CSC3S2 are designed to provide reliable protection and control in low voltage electrical distribution systems. Featuring a double pole configuration, these MCCBs ensure effective switching and isolation of phase and neutral conductors, making them suitable for commercial and industrial applications. With a high breaking capacity of 37 kA, the breaker is capable of safely interrupting elevated fault currents, while its 415 V AC voltage rating supports stable and consistent performance across demanding electrical networks. The CSC3S2 MCCB series is built with a robust and compact structure that enhances durability and operational efficiency under varied conditions. It offers protection against overload and short circuit faults, ensuring the safety of connected equipment and circuits. Engineered for precise tripping characteristics and smooth switching operations, the breaker supports dependable circuit management. Its design allows for straightforward installation in standard electrical panels, making it suitable for applications requiring efficient and secure electrical protection.
green checkType of Product : Molded Case Circuit Breakers (MCCB)
green checkBreaking Capacity : 37 kA
green checkNo. of Pole : 2 Pole
green checkRated Voltage : 415 V AC
green checkFrame Size : Frame 2
green checkStandard : IS/IEC 60947-2
green checkVoltage Type : AC
₹9,203 - ₹10,501
Siemens 3 Pole 25 kA 3VJ10 (VJ1 125X) MCCB Thermal Magnetic Trip Unit (FTFM) Sinova Series are essential components in electrical distribution systems, providing reliable protection against overloads and short circuits. The Thermal Magnetic Trip Unit is a crucial element within these MCCBs, offering dual-functionality for both thermal and magnetic protection. Thermal protection operates by sensing the heat generated by excessive current flow, triggering the trip mechanism to disconnect power when temperatures reach dangerous levels due to prolonged overload conditions. This safeguards the MCCB and connected electrical systems from damage caused by overheating. Meanwhile, magnetic protection responds swiftly to sudden, high-current surges, such as those caused by short circuits. The magnetic trip mechanism detects the rapid increase in current and promptly trips the MCCB to interrupt the circuit, preventing damage to equipment and minimizing downtime. Siemens designs its MCCB Thermal Magnetic Trip Units with precision engineering and advanced technology, ensuring high-performance protection for a wide range of applications, from industrial machinery to commercial facilities. With their robust construction and dependable operation, Siemens MCCBs with Thermal Magnetic Trip Units contribute to the safety and reliability of electrical systems, providing peace of mind to users and helping to maintain uninterrupted operations.
green checkType of Product : MCCB Thermal Magnetic Trip Unit (FTFM)
green checkSeries : Sinova
green checkBreaking Capacity : 25 kA
green checkNo. of Pole : 3 Pole
green checkFrame Size : 3VJ10 (VJ1 125X)
green checkFrequency : 50 Hz
green checkCharacteristic : Thermal Magnetic Trip Unit
green checkCurrent Setting : Fixed Thermal, Fixed Magnetic
green checkVoltage Range (AC) : 415 V
₹12,979 - ₹14,159
Siemens 4 Pole 25 kA 3VJ10 (VJ1 125X) MCCB Thermal Magnetic Trip Unit (FTFM) Sinova Series are essential components in electrical distribution systems, providing reliable protection against overloads and short circuits. The Thermal Magnetic Trip Unit is a crucial element within these MCCBs, offering dual-functionality for both thermal and magnetic protection. Thermal protection operates by sensing the heat generated by excessive current flow, triggering the trip mechanism to disconnect power when temperatures reach dangerous levels due to prolonged overload conditions. This safeguards the MCCB and connected electrical systems from damage caused by overheating. Meanwhile, magnetic protection responds swiftly to sudden, high-current surges, such as those caused by short circuits. The magnetic trip mechanism detects the rapid increase in current and promptly trips the MCCB to interrupt the circuit, preventing damage to equipment and minimizing downtime. Siemens designs its MCCB Thermal Magnetic Trip Units with precision engineering and advanced technology, ensuring high-performance protection for a wide range of applications, from industrial machinery to commercial facilities. With their robust construction and dependable operation, Siemens MCCBs with Thermal Magnetic Trip Units contribute to the safety and reliability of electrical systems, providing peace of mind to users and helping to maintain uninterrupted operations.
green checkType of Product : MCCB Thermal Magnetic Trip Unit (FTFM)
green checkSeries : Sinova
green checkBreaking Capacity : 25 kA
green checkNo. of Pole : 4 Pole
green checkFrame Size : 3VJ10 (VJ1 125X)
green checkFrequency : 50 Hz
green checkCharacteristic : Thermal Magnetic Trip Unit
green checkCurrent Setting : Fixed Thermal, Fixed Magnetic
green checkVoltage Range (AC) : 415 V
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Top Selling Molded Case Circuit Breakers (Mccb) Products Price List for June 2026

Product Name Specifications Expected Price Dispatch Time Discount
C&S Electric Winbreak1 400 A 3 Pole NCT Release MCCB Suitable for Ground Fault, ETMNCT400A Current Rating 400 Amp | No. Of Pole 3 Pole ₹5,899 90 days --
C&S Electric Winbreak1 100 A 3 Pole NCT Release MCCB Suitable for Ground Fault, ETMNCT100A Current Rating 100 Amp | No. Of Pole 3 Pole ₹3,303 120 days --
HPL 32A 10kA Single Pole MCCB TAB 0 TAB0032L1P Breaking Capacity 10 kA | Current Rating 32 Amp ₹1,152 4 days 8.07% OFF
Havells 4 Pole MCCB Enclosures, IHEAFP -- ₹5,191 5 days --
HPL 90A 10kA Single Pole MCCB TAB 0 TAB0090L1P Breaking Capacity 10 kA | Current Rating 90 Amp ₹1,297 5 days --
L&T [ Lauritz Knudsen ] SL97044OOOOA MCCB Direct Handle (Rated Operating 415V, Insulation Voltage 690V) -- ₹1,769 3 days --
C&S Electric Winbreak1 250 A 3 Pole NCT Release MCCB Suitable for Ground Fault, ETMNCT250A Current Rating 250 Amp | No. Of Pole 3 Pole ₹4,483 15 days --
C&S Electric Winbreak1 16 A 3 Pole 10 kA Breaking Capacity Frame S MCCB, CSESK125FMU3P-16A Breaking Capacity 10 kA | Current Rating 16 Amp ₹4,837 15 days --
C&S Electric Winbreak1 160 A 3 Pole NCT Release MCCB Suitable for Ground Fault, ETMNCT160A Current Rating 160 Amp | No. Of Pole 3 Pole ₹4,483 15 days --
L&T [ Lauritz Knudsen ] DY125U MCCB With Thermal Magnetic Release EM90984OOEO Breaking Capacity - Icu (Ka) AC : 25kA @ 240V AC, 50 Hz/60 Hz DC : 5kA | Current Rating 32 A ₹3,630 20 days --
This data was last updated on 29/06/2026

Buy Molded Case Circuit Breakers Online (Mccb)

A molded case circuit breaker is an electrical protection device that protects an electrical circuit from overcurrent, short circuit, and other electrical faults. MCCBs are commonly used in commercial and industrial applications, such as power distribution systems, motor control centres, and panelboards.

MCCBs consist of a molded case that contains the electrical contacts, current-carrying parts, and the trip unit, which is responsible for sensing and interrupting the current flow in case of a fault. The trip unit can be thermal, magnetic, or a combination of both and is designed to trip the circuit breaker when the current exceeds a certain threshold. If you know about the product, then Schnider molded circuit breaker is one of the best-selling products to shop for your work requirements. 

What are the benefits of using molded case circuit breakers?

Molded case circuit breakers are widely used in electrical distribution systems to protect against overcurrents, short circuits, and ground faults. Some of the benefits of using MCCBs are:

1. Protection: MCCBs provide reliable protection against overcurrents, short circuits, and ground faults, which helps to prevent damage to electrical equipment, minimize downtime, and reduce the risk of electrical hazards.
2. Flexibility: MCCBs are available in a wide range of sizes and trip curves, which allows them to be customised for specific applications and load types. They can be easily adjusted to provide the desired level of protection for the equipment being used.
3. Durability: MCCBs are designed to withstand high levels of stress and abuse, making them suitable for use in harsh industrial environments. They are built with durable materials and can withstand mechanical shock, vibration, and temperature fluctuations.
4. Ease of installation: MCCBs are easy to install and maintain, which reduces installation time and costs. They can be easily integrated into existing electrical systems, and replacement parts are readily available.
5. Cost-effective: MCCBs offer a cost-effective circuit protection solution compared to other circuit breakers. They are typically less expensive than other circuit breakers, and their long service life helps reduce maintenance costs.

Overall, Schnider electric molded circuit breakers offer reliable, flexible, and cost-effective protection for electrical distribution systems, making them popular for industrial, commercial, and residential applications.

What are the types of molded case circuit breakers?

Molded case circuit breakers (MCCBs) are a type of electrical protection device that are commonly used in low-voltage electrical systems. They are designed to protect electrical circuits and equipment from overloads, short circuits, and other faults.

There are several types of molded case circuit breakers, including:

1. Thermal Magnetic MCCBs - These are the most common MCCBs that combine thermal and magnetic protection mechanisms. They use a bimetallic strip to sense thermal overloads and an electromagnet to sense short-circuit currents.

2. Electronic MCCBs - These use solid-state electronics to provide protection and are often used in more complex systems requiring faster tripping times. They also provide additional features like adjustable trip settings, diagnostics, and communication capabilities.

3. Hydraulic-Magnetic MCCBs use a hydraulic mechanism to provide overcurrent protection and a magnetic mechanism to provide short circuit protection. They are often used in harsh environments where vibration and shock may cause false trips.

4. Compact MCCBs - These are smaller and more compact than standard MCCBs and are designed for use in limited space applications. They typically have lower current ratings and fewer features than standard MCCBs.

5. High-Current MCCBs - These are designed for use in applications with high currents, such as in large motors or generators. They typically have current ratings of several thousand amps, and may use special materials and designs to handle the high currents and temperatures.

Overall, the choice of MCCB type will depend on the specific application requirements, such as the level of protection required, the size and complexity of the system, and the environmental conditions. You can shop for ac circuit breakers or automatic circuit breakers at affordable prices. 

What are the pointers to keep in mind when purchasing MCCB?

MCCB stands for Molded Case Circuit Breaker, and it is an important component in electrical distribution systems that helps protect equipment and personnel from electrical faults. Here are some pointers to keep in mind when purchasing MCCBs:

1. Current rating: Choose an MCCB with a current rating that matches the current requirements of your electrical system.

2. Breaking capacity: Ensure that the MCCB has a breaking capacity higher than the maximum fault current that could occur in your electrical system. This ensures that the MCCB can safely interrupt the current in case of a fault.

3. Trip characteristics: MCCBs have different trip characteristics, such as thermal, magnetic, or electronic. Choose the trip characteristic that is appropriate for your application.

4. Selectivity: Consider the selectivity of the MCCB, which is the ability of the MCCB to isolate only the faulty circuit in case of a fault, without tripping other circuits. This can help minimize downtime and damage to equipment.

5. Quality and reliability: Look for MCCBs from reputable manufacturers with a proven track record of producing high-quality and reliable products.

6. Accessories: Consider any additional accessories that may be required, such as shunt trips, under-voltage releases, or auxiliary contacts.

7. Compliance: Ensure that the MCCB complies with the relevant international standards, such as IEC or UL.

8. Cost: Consider the cost of the MCCB, but do not compromise on quality or safety for cost savings.

With these pointers in mind, you can select the appropriate MCCB for your electrical accessories and ensure safe and reliable operation.

Frequently Asked Questions Related To Molded Case Circuit Breaker

1. What is the difference between MCB and MCCB?

MCB is a type of circuit breaker that is commonly used in low-current circuits. It protects electrical devices and appliances from overcurrent and short circuits. MCCB is a type of circuit breaker that is commonly used in high-current circuits. It is designed to protect large electrical installations and equipment from overcurrent and short circuits.

2. How does a Molded Case Circuit Breaker work?

The traditional molded-case circuit breaker (MCCB) is a popular circuit breaker that protects electrical systems from overcurrents. It uses an electromechanical (thermal magnetic) trip unit that may be fixed or interchangeable. In this article, we will discuss how the traditional MCCB works and its advantages over other types of circuit breakers.

3. What voltage is MCCB?

MCCB or Molded Case Circuit Breaker is a circuit breaker that protects electrical systems from overcurrents. It is widely used in industrial and commercial settings with high energy requirements. In this article, we will discuss the application of MCCB in the isolation and protection of devices, specifically transformers.