Circuit Breaker

The BYB1-LE-63 Series 380V MCCB is a 3-pole circuit breaker engineered to safeguard branch circuits against circuit overload, overload and short circuit risks, and voltage overload in AC systems. Combining air circuit breaker protection reliability with leakage protection (30mA sensitivity), it detects ground faults, capacitor overvoltage, and ceramic capacitor overvoltage, ensuring robust capacitor protection circuit performance for reactive power compensation systems. Its analog input protection circuit monitors real-time electricity load fluctuations, while adaptive tripping mechanisms prevent overload short circuit events in industrial inverters, supported by a dedicated overload protection circuit for inverter integration.Ideal for MCCB 3 phase applications, this breaker corrects phase imbalances, stabilizes circuit overloads, and works alongside circuit breakers and fuses to protect the circuit fromcatastrophic failures. The integrated charge protection circuit and circuit breaker failure protection ensure uninterrupted operation in harsh environments, while compliance with guarantees compatibility with analog input protection circuit designs and ceramic capacitor overvoltage mitigation.From manufacturing plants to renewable energy grids, the BYB1-LE-63 Series delivers precision circuit protection, minimizes downtime, and optimizes power quality—making it the ultimate solution for modern electrical systems demanding reliability, safety, and intelligent overload management.

The BYM6 Series 4P MCCB (Moulded Case Circuit Breaker) delivers advanced DC overcurrent protection, arc fault detection, and ground fault protection for solar PV systems, substations, and DC battery circuits. Designed as a high-performance air break circuit breaker, it integrates magnetic protection and over/under voltage detection to safeguard against circuit overloads, short circuits (DCC short circuit protection), and unstable electricity loads. Its UL/CE-certified moulded case ensures durability in harsh environments, while arc fault breaker tripping technology prevents false alarms (e.g., arc fault breaker light on with no load). Compatible with Schneider Electric DC MCB standards, it offers output short circuit protection, SCR overvoltage protection, and seamless integration into renewable energy grids. Ideal for solar farms, DC battery systems, and industrial substations, the BYM6 combines low-oil circuit breaker efficiency with smart overcurrent/overvoltage protection circuits for unmatched reliability.

The BYM6 Series Moulded Case Circuit Breaker (MCCB) is a versatile Air Break Circuit Breaker engineered for solar photovoltaic (PV) systems, DC battery circuits, and circuit breaker in substation applications. Combining moulded case durability with cutting-edge technology, it delivers robust ground fault protection, DC overcurrent protection circuit, and output short circuit protection to safeguard against circuit overload, overvoltage detection circuit failures, and arc fault breaker tripping with no load. Designed for renewable energy grids, this MCCB 4 Pole integrates magnetic protection circuit breaker mechanisms and overvoltage protection of SCR to ensure reliability in high-stress environments. Compatible with Schneider Electric DC MCB standards, it supports DCC short circuit protection and over and under voltage protection circuit functions, making it ideal for industrial electricity load management, low oil circuit breaker replacements, and output protection circuit scenarios. Whether preventing overcurrent circuit hazards or enhancing air circuit breaker safety in solar farms, the BYM6 Series ensures seamless short circuit MCB performance, overvoltage and overcurrent protection circuit compliance, and long-term reliability for modern energy systems.

The BYB1-63 MCCB is a high-breaking-capacity circuit breaker designed for single-phase low-voltage systems (400V), delivering unmatched electrical protection against overload and short circuit, over voltage and under voltage, and over current in modern electrical grids. Ideal for single-pole MCB for AC applications, this miniature circuit breaker ensures low power loss while enhancing power quality in electrical supply networks, substations, and inverter overload protection circuits. Compatible with MCCB Schneider standards, it features precision MCCB trip mechanisms for high-impedance and low-impedance differential protection, safeguarding single-phase devices, output protection circuits, and EMC/gate protection circuits from damage.Engineered for modern electrical systems, it integrates over-voltage and under-voltage protection to stabilize power quality in power systems, making it a critical power quality device for electrical CCT solutions. With robust speaker short circuit protection and compatibility with 1-phase, 2-phase, and 3-phase setups, the BYB1-63 offers versatile circuit solutions for residential, commercial, and industrial settings. Its compact design aligns with miniature circuit breaker types while providing cost-effective miniature circuit breaker price performance. Perfect for motorized circuit breakers and electrical grid upgrades, this MCCB ensures compliance with Schneider 50A specifications, delivering reliability for over voltage in power systems and improving power quality across applications.

Introducing the BYB1-63 High Quality Capacity Miniature Circuit Breaker, a 3 Phases 380V Low Voltage MCCB designed for robust circuit protection in three-phase electric systems. Engineered to enhance power quality and ensure reliable power protection this MCCB features advanced functions like Over Voltage And Over Current Protection, Over Voltage And Under Voltage Protection, and Speaker Short Circuit Protection, making it ideal for safeguarding three-phase equipment and power distribution setups. As a versatile miniature circuit breaker, it aligns with Mccb Schneider standards and includes Mccb Trip technology for precise fault interruption, ensuring minimal downtime and low loss. Suitable for use as a Circuit Breaker In Substation or in industrial applications, this model covers various Miniature Circuit Breaker Types, offering a competitive Miniature Circuit Breaker Price without compromising on safety. Equipped with Emc Protection Circuit, Gate Protection Circuit, and High Impedance And Low Impedance Differential Protection, it ensures stable performance in 380 Volt 3 Phase systems, providing comprehensive Output Protection Circuit and reliable operation for three-phase voltage and power distribution needs. Trust this High breaking capacity circuit breaker to deliver consistent protection and efficiency for your circuit protection requirements.

The BYCM1E-125 Series Molded Case Circuit Breaker (MCCB) by Baoyu Holding Co., Ltd. delivers advanced circuit protection for photovoltaic (PV) power systems and industrial applications. Designed to safeguard 380V AC 3-phase circuits, this molded case circuit breaker combines robust performance with precision engineering to ensure reliable air circuit breaker-level safety in demanding environments.Featuring molded case circuit breaker sizes optimized for compact installations, the BYCM1E-125 supports seamless integration into PV arrays, offering overcurrent, short-circuit, and arc fault protection. Its durable moulded case construction ensures resistance to heat, dust, and corrosion, while compatibility with ABB air circuit breaker standards guarantees interoperability in diverse setups.Ideal for MCB electrical breaker applications, this MCCB series also addresses specialized needs like MCB for DC circuits and MCB for lighting circuits, providing versatile solutions for both AC and DC systems. Whether you require MCB in electrical circuit designs or high-capacity moulded MCB performance, the BYCM1E-125 excels in optimizing circuit protection efficiency.

The BYM6 Series Moulded Case Circuit Breaker by Baoyu Holdings Ltd. delivers advanced circuit protection for solar photovoltaic (PV) systems and renewable energy applications. Designed for high voltage circuit breaker performance, this insulated case circuit breakerensures reliable protection against electrical current overloads, short circuits, and hazardous electrical arc faults. Engineered with solid state electronics for precision monitoring, it prevents blown fuse incidents and blown circuit breaker scenarios while optimizing electrical circuitsafety in demanding environments.Ideal for photovoltaic circuit breakers and high voltage breaker setups, the BYM6 features high speed circuit breaker technology to isolate faults instantly, complementing air circuit breakersystems like ABB air circuit breaker configurations. Its robust design supports new energy circuit breakers for solar arrays, offering compatibility with MCB-based protection networks. Trust the BYM6 to safeguard solid state electronics-driven infrastructure, reduce downtime, and enhance energy efficiency in commercial and industrial PV installations.

The BYB1-63 Series by Baoyu Holdings is a cutting-edge miniature circuit breaker (MCB) designed to deliver superior electrical safety and performance, engineered to outperform competitors like Himel miniature circuit breaker. Ideal for circuit protection in residential, commercial, and industrial applications, this MCB electrical breaker operates at 415V, ensuring robust defense against overload circuits, over voltage circuits, and over current circuits.Our MCB in electrical circuit systems integrates over voltage and under voltage protection alongside over voltage and over current protection, safeguarding equipment from power surges, short circuits, and unstable grid conditions. Complying with AFCI required standards, it prevents arc faults while addressing overload outlet risks. As trusted MCCB circuit breaker manufacturers, we ensure precision engineering for reliable output protection circuits, combining durability with advanced trip mechanisms.Understanding "MCB in electric circuit stand for" (Miniature Circuit Breaker), the BYB1-63 Series emphasizes compact design without compromising safety. Whether replacing Himel MCB or upgrading legacy systems, our product offers enhanced sensitivity, faster response times, and compatibility with smart grids.Choose Baoyu Holdings for over current protection solutions trusted by global clients. Elevate your electrical infrastructure with a breaker that excels in over voltage and under voltage protection while setting new benchmarks for circuit protection efficiency.

Introducing the BYCW1 Intelligent Universal Circuit Breaker by BaoYu Holdings—a cutting-edge Smart Breaker engineered for Low Voltage AC 690V 50Hz systems. Designed as a versatile Universal Circuit Breaker, it integrates advanced Overvoltage and Overcurrent Protection Circuits, ensuring robust Electrical Switchgear and Protection for industrial and commercial applications. This MCCB Circuit solution delivers Overcurrent and Short Circuit Protection, SCR Over Voltage Protection, and USB Overvoltage Protection, safeguarding critical equipment from power anomalies.Ideal for Electrical Breaker Installation in diverse environments, the BYCW1 rivals industry standards like Eaton Power Defense MCCB, offering enhanced reliability and smart monitoring capabilities. Whether addressing Circuit Breaker What Is queries or optimizing Circuit Breaker Circuit Factory setups, this product excels in Electrical Breaker performance. Its compact design supports seamless integration into existing Electrical Protection systems, prioritizing energy efficiency and safety.
Trust BaoYu’s expertise in Circuit Protection solutions—where innovation meets durability. Upgrade your infrastructure with the BYCW1, your ultimate choice for Low Voltage Breakers with unmatched Overvoltage and Short Circuit Protection.

As a leading MCCB Circuit Breaker Manufacturer, Baoyu Holdings Ltd. proudly presents the BYB1-63 series—a premium 380V Low Voltage Miniature Circuit Breaker designed for AC DC Circuit protection in industrial and commercial applications. Engineered with High Breaking Capacity, this MCCB Molded Case Circuit Breaker ensures reliable MCCB Trip performance for MCCB 3 Phase and single-phase systems, safeguarding Power System Devices from overloads, short circuits, and voltage fluctuations. Compatible with Siemens Betagard MCB and Wylex MCB Circuit Breakers standards, it offers seamless integration into existing Electric Circuit Breaker networks. Ideal for AC in Low Voltage environments, this MCB Molded breaker supports Breaker Testing compliance and delivers unmatched durability for Low Voltage Breakers applications. Trust our GE MCCB Circuit Breaker-grade quality to optimize safety and efficiency in MCCB in Electrical systems worldwide.

Introducing the BYB1-63 High Breaking Capacity Miniature Circuit Breaker (MCCB) by Baoyu Holdings Ltd.—a premium low voltage breaker engineered for superior MCCB trip precision and robust protection in AC/DC circuits. Designed for MCCB 3 phase systems and AC in low voltage applications, this electric circuit breaker ensures reliable harmonic mitigation, circuit protection, and compliance with global safety standards. Ideal for power system devices, it integrates seamlessly with GE MCCB circuit breakers, Siemens Betagard MCB, and Wylex MCB circuit breakers, offering unmatched versatility.As leading MCCB circuit breaker manufacturers, we prioritize durability and performance. The MCCB molded case circuit breaker features MCB molded insulation, high breaking capacity, and compatibility with low voltage breakers for industrial, commercial, and residential use. Optimize breaker testing efficiency and safeguard your MCCB in electrical networks against overloads, short circuits, and voltage fluctuations. Trust Baoyu’s MCCB circuit solutions to enhance safety and stability in any electrical circuit breaker setup.

Enhance your electrical distribution line safety and efficiency with the BYM5EL Series RCCB, designed for photovoltaic systems and smart energy applications. This 3-phase AC380 V residual current circuit breaker integrates advanced LSIG protection to safeguard against overloads, short circuits, and ground faults, ensuring reliable circuit breaker performance in demanding environments. Compatible with MCCB molded case circuit breaker systems (including MCCB 4 Pole and MCCB 3 Phase configurations), it supports seamless integration with Schneider MCCB 400A and Siemens MCCB Configurator solutions. Ideal for electrical breaker installation in renewable energy systems, electrical energy storage setups, and industrial power distribution, the BYM5EL delivers precision circuit solution capabilities. Features include automatic reclosing, circuit breaker testing compliance, and smart breaker technology for real-time monitoring. Optimize your power breaker network with BYM5EL’s robust design, engineered to resolve harmonic issues, address three-phase imbalances, and streamline electrical distribution line reliability. Trusted for critical applications where circuit breakers are essential for safety and operational continuity.