Siemens offers a comprehensive range of molded case circuit breakers (MCCBs) under its SENTRON 3VA series, designed to meet the complex demands of today’s power distribution networks. These MCCBs are globally certified with both IEC 60947 and UL 489 standards, making them suitable for applications across Europe, North America, and other international markets. With a modular system and more than 500 available accessories, the 3VA MCCBs provide exceptional flexibility and reliability for electrical systems ranging from 15 A to 2,000 A, with breaking capacities up to 110 kA. Available in 1- to 4-pole versions, they are equipped with thermal-magnetic trip units and options for integrated earth leakage protection, supporting both AC and DC systems.
A standout feature of Siemens MCCBs is their advanced digital connectivity. These devices integrate seamlessly with building and industrial automation platforms through standard communication protocols and support Siemens’ powerconfig software for easy configuration, parameterization, and monitoring. Their intelligent design supports predictive maintenance, energy efficiency, and remote control, making them ideal for industries that require high system availability and operational transparency. Whether used in switchgear, renewable energy, or heavy industrial settings, Siemens MCCBs deliver superior performance with future-ready digital capabilities.
EATON
Company Overview
Eaton is a global power management company dedicated to improving the quality of life and the environment through intelligent energy solutions. Founded in 1911, Eaton has grown into one of the most respected names in electrical systems and components, serving a wide range of industries including residential, commercial, industrial, utility, and data centers. With operations in over 175 countries and a strong presence across North America, Europe, and Asia-Pacific, Eaton combines innovation, engineering excellence, and sustainability to deliver products that ensure safety, reliability, and energy efficiency.
Eaton’s electrical sector is renowned for its comprehensive portfolio, including circuit protection devices, switchgear, UPS systems, and smart grid technologies. As a trusted MCCB manufacturer and supplier, Eaton focuses on providing cutting-edge molded case circuit breakers that meet international standards and support applications ranging from low-voltage distribution to critical infrastructure. Through continuous investment in R&D and digitalization, Eaton is leading the way toward smarter, more resilient, and sustainable electrical systems for the future.
Molded Case Circuit Breaker By Eaton
Eaton’s molded case circuit breakers (MCCBs) deliver advanced protection and adaptability for a wide spectrum of applications, from alternative energy systems to industrial, mining, commercial, and military environments. Designed with a focus on safety, reliability, and high performance, Eaton MCCBs are engineered to manage overloads, short circuits, and varying voltage conditions with precision. Whether integrated into panelboards, switchboards, or motor control centers, these breakers offer scalable and dependable protection to critical systems across industries.
With current ratings ranging from 10A to 3000A and high interrupting capacities, Eaton MCCBs are built to maintain continuous electrical performance under demanding operating conditions. Their robust construction makes them suitable for challenging environments, while rigorous testing—such as long-time trip, short delay, and ground fault trip evaluations—ensures consistent operational safety. Available in a variety of compact and high-capacity sizes, Eaton’s MCCBs provide the versatility needed to support projects of all sizes, making them a trusted solution for global circuit protection needs.
MITSUBISHI ELECTRIC
Company Overview
Mitsubishi Electric is a globally recognized leader in electrical and electronic equipment for residential, commercial, and industrial applications. Founded in 1921 and headquartered in Tokyo, Japan, the company has grown into one of the most trusted names in power distribution, automation, HVAC, and semiconductor technologies. With a presence in over 40 countries and a deep commitment to innovation and quality, Mitsubishi Electric delivers advanced solutions that support modern infrastructure, enhance productivity, and contribute to a sustainable future.
In the field of power distribution, Mitsubishi Electric offers a wide range of circuit protection products, including molded case circuit breakers (MCCBs), with a reputation for high performance, long-term reliability, and compliance with global safety standards. The company focuses on integrating smart technologies, energy efficiency, and compact design to meet the evolving needs of modern power systems. With decades of engineering excellence and a strong focus on research and development, Mitsubishi Electric continues to be a key player in advancing industrial automation and electrical safety worldwide.
Molded Case Circuit Breaker By Mitsubishi Electric
Mitsubishi Electric’s molded case circuit breakers, also known as no-fuse circuit breakers, are engineered for robust protection and efficient operation of low-voltage electrical systems. These MCCBs are designed to safely interrupt fault currents and protect circuits operating at up to 600VAC or 750VDC, making them suitable for a wide range of industrial, commercial, and infrastructure applications.
A key feature of Mitsubishi Electric MCCBs is their ability to safely open and close circuits, even under load, and to reliably perform repeated tripping operations without performance degradation. These breakers support multi-electrode breaking and are compatible with various auxiliary attachments, offering enhanced flexibility and customization. With a strong emphasis on durability, safety, and compact design, Mitsubishi Electric’s MCCBs meet international quality and performance standards, ensuring long-term reliability and easy integration into modern low-voltage systems.
ABB
Company Overview
ABB is a global technology leader in electrification and automation, with a rich history spanning more than 130 years. Headquartered in Zurich, Switzerland, ABB operates in over 100 countries and is renowned for driving industrial transformation through innovative technologies. The company’s core mission is to enable a more sustainable and resource-efficient future by delivering smart, safe, and reliable solutions across a wide range of industries, including utilities, transportation, infrastructure, and manufacturing.
ABB’s Electrification Business Area specializes in products and solutions for low- and medium-voltage power distribution and control, including a comprehensive portfolio of circuit breakers, switchgear, control products, wiring accessories, and enclosures. The company’s focus on digitalization, energy efficiency, and safety has positioned ABB as a trusted partner for businesses seeking to modernize their electrical infrastructure. With an emphasis on quality, compliance, and continuous innovation, ABB remains one of the world’s most recognized and respected names in electrical engineering.
Molded Case Circuit Breaker By ABB
ABB’s Molded Case Circuit Breakers (MCCBs) are designed to deliver robust and reliable circuit protection across a wide range of applications. The latest SACE Tmax XT series offers breakers rated up to 1600A, combining advanced technology with global certifications such as UL, CSA, and IEC to ensure safety and performance in diverse environments. For larger capacity requirements, the SACE Tmax T range provides breakers up to 3200A in fixed three- and four-pole versions, making it ideal for heavy industrial use. ABB also offers the compact SACE FORMULA line, which provides high-quality protection in smaller sizes suitable for installations with limited space.
In addition to these, ABB’s MCCB portfolio includes the Record Plus series, delivering breakers with interruption capacities up to 200kAIC and ratings up to 600A, tailored for demanding industrial settings. Known for precise trip characteristics, durability, and wide compatibility, ABB MCCBs support energy efficiency and system reliability. This extensive range makes ABB a trusted choice for engineers and facility managers seeking effective and efficient low-voltage circuit protection.
GE INDUSTRIAL
Company Overview
GE Industrial is a globally recognized leader in electrical equipment and solutions, known for delivering reliable and innovative products across multiple sectors. With decades of experience, GE Industrial specializes in power distribution and control technologies, providing high-quality molded case circuit breakers (MCCBs) designed to protect electrical systems in commercial, industrial, and utility applications. Their products combine robust engineering with advanced safety features to ensure optimal protection against overloads, short circuits, and electrical faults.
The GE Industrial MCCB portfolio offers a wide range of options tailored to meet diverse operational needs, including thermal-magnetic breakers with proven performance and lighting panel breakers designed for specific applications. GE’s focus on durability, ease of installation, and compliance with international standards makes their MCCBs a trusted choice for customers worldwide seeking dependable circuit protection and enhanced system reliability.
Molded Case Circuit Breaker By GE Industrial
GE Industrial Molded Case Circuit Breakers (MCCBs) are engineered to deliver reliable and efficient protection for electrical circuits across a variety of industrial and commercial environments. Designed to guard against overloads, short circuits, and electrical faults, GE’s MCCBs ensure the safety and longevity of electrical systems. Their products range from thermal-magnetic breakers to specialized lighting panel breakers, offering solutions that meet diverse application requirements.
With a strong emphasis on quality and compliance, GE Industrial MCCBs are built to meet rigorous international standards, ensuring dependable performance under demanding conditions. These breakers are favored for their robust construction, ease of installation, and versatility, making them ideal for protecting critical infrastructure in industries such as manufacturing, energy, and utilities. GE’s commitment to innovation and safety helps customers maintain uninterrupted power supply and safeguard valuable equipment.
FUJI ELECTRIC
Company Overview
Fuji Electric is a globally recognized leader in electrical equipment manufacturing, specializing in power electronics and automation technologies. With a strong heritage rooted in innovation and quality, Fuji Electric offers a comprehensive portfolio of products designed to enhance energy efficiency and system reliability across industrial, commercial, and infrastructure sectors. Their solutions span from power semiconductors and drives to control equipment and power distribution systems.
The company is committed to sustainable development and cutting-edge technology, providing advanced products that support smart manufacturing and energy management. Fuji Electric’s focus on research and development ensures that their offerings, including molded case circuit breakers (MCCBs), meet stringent international standards and cater to the evolving needs of modern electrical systems worldwide.
Molded Case Circuit Breaker By Fuji Electric
Fuji Electric offers a comprehensive range of molded case circuit breakers (MCCBs) designed for low-voltage power distribution and motor protection applications. Their MCCB lineup includes various series such as the G-TWIN standard and global series, BX series, BW0 economy series, and the solid-state S series, covering rated currents from as low as 0.7A up to 1600A. These breakers deliver high performance, compact design, and compliance with international standards including IEC, UL, CSA, and CCC, making them suitable for global markets. Fuji Electric’s MCCBs are engineered for reliability, safety, and ease of maintenance, with specialized solutions for motor protection and photovoltaic power systems.
The company integrates advanced features such as adjustable trip units, multi-functional electronic trip devices, and solid-state technology to meet diverse industrial needs. Fuji Electric also emphasizes environmental considerations by designing energy-efficient and user-friendly products with a lower environmental impact. Their global sales network ensures availability and support across Americas, Europe, Asia, and Japan, positioning Fuji Electric as a trusted supplier of high-quality MCCBs for various industrial, commercial, and energy applications worldwide.
ROCKWELL AUTOMATION
Company Overview
Rockwell Automation is a global leader specializing in industrial automation and digital transformation solutions. Founded over a century ago, the company focuses on providing advanced technologies that enhance manufacturing efficiency, productivity, and safety across multiple industries. Rockwell Automation combines cutting-edge hardware, software, and services to deliver integrated automation solutions that optimize operations and enable smarter, more connected factories worldwide.
In the realm of electrical protection, Rockwell Automation offers a range of molded case circuit breakers (MCCBs) designed to safeguard electrical systems from overloads and short circuits. Their MCCBs are built for reliability and flexibility, integrating seamlessly with Rockwell’s broader automation ecosystem to provide enhanced control and monitoring capabilities. With an emphasis on innovation and user-centric design, Rockwell Automation’s products support global customers in achieving safer, more efficient, and digitally enabled industrial environments.
Molded Case Circuit Breaker By Rockwell Automation
The 140UT series MCCBs from Rockwell Automation (Allen-Bradley) are designed for fixed overcurrent and short-circuit protection. Available in 2-pole and 3-pole configurations, these current-limiting circuit breakers provide high interrupting ratings suitable for applications at 240V and 480Y/277V backfeed conditions. They offer robust protection for industrial and commercial electrical systems, ensuring safety and reliability in a compact form factor.
With rated currents ranging from 0.5A up to 40A and multiple pole options, the 140UT MCCB line offers flexibility for a wide variety of circuit protection needs. The breakers are engineered to handle diverse load conditions, making them ideal for protecting motors, transformers, and other critical equipment. Their modular design simplifies installation and maintenance, supporting high performance in demanding environments.
LEGRAND
Company Overview
Legrand is a global specialist in electrical and digital building infrastructures, with a strong focus on innovation and sustainability. Founded in 1904, Legrand has grown into a leader offering a comprehensive range of products and systems designed to improve electrical distribution, control, and connectivity across residential, commercial, and industrial sectors. The company is committed to delivering high-quality solutions that enhance safety, efficiency, and user experience worldwide.
With operations in more than 90 countries and a workforce exceeding 38,000 employees, Legrand continually invests in research and development to stay at the forefront of technological advances. Their extensive portfolio includes circuit protection devices such as molded case circuit breakers (MCCBs), designed to meet international standards and support modern electrical infrastructures. Legrand’s focus on customer-centric innovation ensures reliable products tailored to diverse market needs.
Molded Case Circuit Breaker By Legrand
Legrand’s molded case circuit breakers (MCCBs) provide reliable protection for electrical circuits by automatically interrupting power during overloads or short circuits. Designed for a wide range of applications—from residential to industrial installations—Legrand MCCBs deliver high breaking capacity and precise trip settings to ensure safety and minimize downtime.
Their MCCB portfolio features modular, compact designs with easy installation and maintenance. Equipped with advanced thermal-magnetic trip units, these breakers support current ratings typically ranging from low to medium voltage requirements. Legrand MCCBs comply with international safety standards, ensuring dependable performance under demanding conditions. They are widely recognized for their durability, operational efficiency, and seamless integration into comprehensive electrical distribution systems.
P.C. INDUSTRIES
Company Overview
P.C. Industries, headcquartered in Gandhinagar, Gujarat, is a trusted manufacturer of low-voltage switchgear components, specializing in products like molded case circuit breakers (MCCBs), switch disconnectors, MCBs, and RCCBs. Since its establishment in 1995, the company has built a reputation for delivering high-quality electrical protection devices across sectors such as power utilities, railways, telecommunications, mining, and general industrial applications.
With over two decades of manufacturing expertise, P.C. Industries operates a modern, vertically integrated facility equipped with in-house tool rooms, testing laboratories, and stringent quality control systems. The company emphasizes precision engineering, adherence to national standards, and customer-centric flexibility. Whether for standard or custom specifications, P.C. Industries offers reliable, cost-effective solutions that ensure safety, performance, and long-term durability.
Molded Case Circuit Breaker By P.C. Industries
P.C. Industries offers a robust range of Single Pole Molded Case Circuit Breakers (MCCBs) designed for dependable protection and precise load control in industrial and commercial electrical systems. Engineered with safety and performance in mind, these MCCBs are ideal for protecting circuits against overloads and short circuits while ensuring consistent electrical performance across various applications.
Their Single Pole MCCBs come with a rated current of up to 200A and a breaking capacity of 18kA, making them a reliable choice for high-demand environments. Built with durable components and designed for easy installation, they are available in multiple current ratings—30A, 60A, 90A, 120A, 160A, and 200A—to suit a wide range of protection requirements. Precision-designed and rigorously tested, P.C. Industries’ MCCBs ensure long-lasting performance and superior circuit safety at a competitive price point.
CHINT
Company Overview
Founded in 1984, CHINT Group has grown into a globally recognized provider of smart energy solutions and electrical equipment. Headquartered in China, CHINT operates in over 140 countries and regions, offering a wide portfolio ranging from low-voltage electrical products to smart power distribution systems, renewable energy, and automation solutions.
CHINT is especially known for its reliable circuit protection devices, intelligent control systems, and its strong presence in low-voltage and industrial electrical markets. With a commitment to innovation, quality, and sustainability, CHINT continues to drive energy transformation and digital upgrades across sectors such as power generation, construction, transportation, and manufacturing. Backed by strong R&D capabilities and international certifications, CHINT is a trusted partner for building smarter, safer, and more efficient power systems worldwide.
Molded Case Circuit Breaker By Chint
CHINT’s NXM Series Molded Case Circuit Breakers (MCCBs) are engineered to deliver robust protection for power distribution systems and motor circuits under conditions such as overload, short circuit, and undervoltage. These MCCBs are suitable for both standard circuit protection and infrequent motor starts, offering versatility across industrial and commercial applications.
The NXM series covers a broad current range from 63A to 1600A, with various frame sizes and multiple breaking capacity levels (E, S, F, H) to suit different system requirements. Available in 2P, 3P, and 4P configurations, they feature thermal magnetic, magnetic, and electronic release types. For installation flexibility, CHINT offers fixed and plug-in mounting options. Certified to IEC/EN 60947-2 standards, CHINT MCCBs are designed for high performance, safety, and durability in demanding environments.
How to Choose MCCB Manufacturers
| Criteria | Why It Matters | Industry Standard | Korlen Advantage |
|---|---|---|---|
| Product Range & Technical Strength | A wider current range and reliable performance ensure flexibility across applications. | Many offer 10A–1600A or higher | Covers 6A–1600A with strong R&D and IEC-compliant designs |
| Compliance & Certification | Ensures safety, reliability, and access to global markets. | IEC, UL, CE, ISO common | Holds CE, CB, SAA, ISO 9001, and more |
| Supply Chain & Lead Time | Fast delivery reduces downtime and helps projects stay on schedule. | Lead time varies by region | Offers fast global supply, large inventory |
| After-Sales & Technical Support | Critical for long-term performance and customer trust. | Email or local support channels | 24/7 expert service, detailed documentation |
| Pricing, MOQ & Customization | Balancing budget with the need for flexible solutions and OEM options. | Tiered or high pricing for small buyers | Affordable, low MOQ, OEM/ODM support available |
| Reputation & Market Reach | A trusted brand with growing visibility boosts confidence. | Global giants dominate, but often rigid | Rapidly growing brand, highly rated for value |
When selecting a molded case circuit breaker (MCCB) manufacturer, it’s important to evaluate key factors that determine the long-term reliability, cost-efficiency, and safety of your electrical system. Among many global brands, Korlen Electric stands out as a trusted choice, offering a perfect balance of quality, innovation, and value.
Product Range and Technical Strength
Choose a manufacturer that offers a broad and technically advanced product line. Korlen provides an extensive selection of MCCBs with rated currents ranging from 10A to 1600A, designed for various industrial, commercial, and residential applications. With thermal-magnetic and electronic trip options, Korlen ensures precise protection for overloads, short circuits, and motor starting conditions. Their MCCBs are built for performance and versatility.
Compliance, Standards & Certification
Make sure the manufacturer complies with international standards like IEC 60947-2, CE, CB, SAA, and others. Korlen MCCBs are rigorously tested and globally certified, ensuring consistent safety and performance across all markets. Their commitment to quality compliance makes them a reliable partner for both domestic and international projects.
Supply Chain Stability & Lead Time
Timely delivery is crucial in large-scale and ongoing operations. Korlen operates modern production facilities and has built a global supply chain, which ensures fast lead times and consistent availability. Their ability to fulfill both bulk and small orders efficiently makes them ideal for OEMs, distributors, and contractors.
After-Sales Service and Technical Support
Good technical support enhances customer satisfaction and product performance. Korlen offers comprehensive after-sales services, including installation assistance, troubleshooting guidance, and product documentation. Their customer-focused approach ensures you get ongoing support throughout the product lifecycle.
Pricing, MOQ, and Customization Capability
Korlen offers highly competitive pricing without compromising on quality. They accommodate flexible minimum order quantities (MOQ) and provide custom branding, packaging, and product adjustments based on project requirements. This makes Korlen a preferred supplier for businesses seeking both cost-effectiveness and customization.
Conclusion
While the MCCB market includes many reputable players, Korlen Electric distinguishes itself through technical excellence, global certifications, responsive support, and unbeatable value. Whether you’re sourcing for industrial infrastructure, commercial buildings, or OEM integration, Korlen delivers reliable circuit protection tailored to your needs. For dependable performance and long-term partnership, Korlen is the MCCB manufacturer you can count on.
