BY Series Miniature 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 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 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.

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.

The BYB1-LE-63 Series Miniature Circuit Breaker (MCB) by Baoyu delivers advanced electrical short circuit protection, charge protection circuit reliability, and robust AC protection circuit performance for residential, commercial, and industrial applications. Designed with high-conductivity copper components, this 230V-rated circuit breaker ensures rapid response to overloads, electrical short circuits, and leakage currents, safeguarding equipment like compressors (ideal as a compressor breaker) and sensitive electronics.Key features include battery reverse polarity protection circuit technology to prevent damage from incorrect battery installations, seamless integration with MCCB electrical systems, and multi-layered defense against voltage fluctuations. Its compact miniature circuit design optimizes space in distribution boards while complying with global safety standards.Perfect for HVAC systems, solar power setups, and EV charging stations, this MCB excels in scenarios requiring AC protection circuit stability and charge protection circuit precision. Trust the BYB1-LE-63 Series for unmatched durability, IEC certification, and versatile compatibility with MCCB electrical infrastructures.Applications: Industrial machinery, data centers, renewable energy systems, and appliances requiring compressor breaker functionality or battery reverse polarity protection circuit reliability.

Boost your electrical safety and efficiency with Baoyu Holdings’BYB1LE-63 Series—a premium-grade Miniature Electric Leakage Circuit Breaker designed to rival industry leaders like Schneider MCB and Himel MCB. Engineered with precision, this 32A, 400V circuit breaker integrates advanced Over Voltage Circuit protection and High Current Protection Circuit technology to safeguard against electrical faults, short circuits, and overloads. Ideal for MCCB Panels or standalone installations, its compact design ensures seamless integration into residential, commercial, and industrial systems.Crafted with durable copper components, it delivers superior conductivity and thermal stability, outperforming standard MCB Current solutions. Compatible with MCCB Circuit configurations, it combines rapid response times with robust leakage detection, minimizing downtime and enhancing system reliability. Whether upgrading existing setups or designing new installations, the BYB1LE-63 Series offers a cost-effective alternative to Schneider MCB and Himel MCB products without compromising performance.

Enhance electrical safety with the BYB1 Series Miniature Circuit Breaker (MCB), engineered to deliver precision performance for residential and commercial applications. This Molded Breaker features robust construction, ensuring durability and resistance to wear in demanding environments. Equipped with Over Voltage Circuit protection, it safeguards your systems from voltage spikes while integrating advanced Circuit Breaker Failure Protection to prevent operational downtime.Designed as a compact Miniature Circuit solution, the BYB1 Series combines fast-response thermal-magnetic tripping with seamless compatibility for modern electrical panels. Ideal for MCB Electrical Breaker installations, it supports overload/short-circuit prevention. Upgrade your safety protocols with a breaker trusted for reliability, energy efficiency, and compliance with global certifications.