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Power Capacitors
- BY71 Series Cylindrical Capacitor
- BSMJ Series Self-healing Low Voltage Shunt Capacitors
- BY86 Series Controlled Intelligent Capacitor
- BYKXG/F Series Anti-harmonic Intelligent Capacitor
- BY81 Series Intelligent Capacitor
- BY82J Series Anti-harmonic Intelligent Capacitor
- BY89 Series Intelligent Capacitor
- Intelligent Controller Series
- Reactor
- Intelligent Switch Series
- Alternating Current Contactor
- Multifunctional power instruments
- Circuit Breaker
- APF/SVG/SPC Cabinet & Module Series
BYB1 Series Miniature Circuit Breaker Series Air Switch Household Micro Break 240V
Parameter Information of BYB1 Series Miniature Circuit Breaker (MCB)
| Model | BYB1 Series Miniature Circuit Breaker (MCB) |
| Pole | 1 |
| Production level | IP20 |
| Rated Current | 1-40A |
| Rated Voltage | 240V |
| Working Temperature | -5℃~+40℃ |
| Average temperature | Not exceed 35℃ |
| Rated Moisture | The relative humidity in the surroundings shall not exceed 50% at an ambient air temperature of +40°C. At lower temperatures, higher relative humidity is allowed. The maximum monthly average relative humidity in the wettest month is 90%, with the average minimum temperature of that month being +25°C. Condensation caused by temperature variations on the product is also permissible. |
| Altitude | Not exceed 2000m |
| Machine lifespan (times) | 20000 |
| Temperature protection | All series are equipped with temperature protection |
Product Introduction of BYB1 Series Miniature Circuit Breaker
The BYB1 Series Miniature Circuit Breaker is engineered for precision and reliability in Low Voltage Power Systems, delivering essential protection for residential, commercial, and industrial applications. Rated at 240V, this MCB Electrical Breaker combines advanced technology with compact design to safeguard circuits from overloads, short circuits, and voltage irregularities.
Featuring Molded Breaker technology, the BYB1 Series ensures robust insulation and durable performance, even in demanding environments. Its integrated Over Voltage Circuit protection mechanism automatically disconnects power when voltage spikes exceed safe thresholds, preventing equipment damage and downtime. Built with Circuit Breaker Failure Protection, it acts as a secondary safeguard, activating backup tripping to isolate faults if the primary breaker fails to respond, enhancing system resilience.
Designed for seamless integration into Miniature Circuit setups, the BYB1 Series offers quick installation and intuitive operation. Its thermal-magnetic tripping system provides dual protection: long-term overload defense and instantaneous short-circuit response, ensuring optimal safety across diverse loads. The breaker’s compact size and modular design allow easy replacement and expansion, supporting efficient electrical distribution.Compliant with global standards, the BYB1 Series is ideal for applications requiring high interrupting capacity and reliable performance. Whether in smart homes, industrial control panels, or renewable energy systems, this breaker stabilizes power flow, reduces energy waste, and extends equipment lifespan.
Product Structural Features of BYB1 Series Miniature Circuit Breaker
Advanced Protective Capabilities:
- Over Voltage Circuit Protection: Automatically trips when voltage spikes exceed safe thresholds, preventing equipment damage.
- Circuit Breaker Failure Protection: Incorporates redundant tripping logic to isolate faults if primary protection fails, ensuring system resilience.
- Thermal-Magnetic Coordination: Balances long-term overload protection (C/D curve options) with instantaneous short-circuit response, ideal for diverse loads like lighting, motors, and appliances.
Design & Performance:
- Modular Design: Fits standard DIN rails for easy installation and expansion, supporting 1P, 2P, 3P, and 4P configurations.
- High Breaking Capacity: Rated up to 6kA for reliable performance in demanding environments, complying with UL 489 and IEC 60898 standards.
- Low Maintenance: Reset manually after tripping, eliminating the need for fuse replacements.
Wiring Method of BYB1 Series Miniature Circuit Breaker
Product size information
Details Reveal Quality
The BYB1 fuses use a new snap-in set-up with no tools. With keen mold tech, a two-spring snap-in bit is made. This makes fitting & taking off from the DIN rail simple. Just line up the fuse with the DIN rail slot, push it soft till it clicks, & it's set. To take off, pinch the snap-ins on each side & pull out soft by 0.5 cm to free it fast. This all takes less than 3 secs, & cuts work by 80% than old screw ways.
The BYB1 series of short trip fuses has a big new arc kill room plan. It comes with super fast 0.01-second arc kill tech. This gives top new help to keep wires safe. It has a thick metal grid set-up & smart air flow path. This can cut & cool the arc fast. It can put out arcs quick, even with a 6kA bad wire pull. It stops gear burn & fire risk from arc spread.
The BYB1 fuse series has a long 55mm handle that's easy to hold & use. It cuts the push force to just 3N・m (usual: 5N・m). This lets you "push soft with tip of finger to close & pull soft with thumb to trip." It has a new lever set that makes use of a 1:2 arm cut & has a spring help built in. This makes sure it works smooth, even with a full 240V load. It ends the old fuse issues of "sticking" & "slapping."
Usage scenarios
Internal parts of the product lighting system power system
Storage Workshop
Production workshop
Workshop Vedio
BaoYu Holdings Co., Ltd. - Your Trusted Partner in Smart Power Quality Solutions
BaoYu Holdings Co., Ltd. is a leading high-tech enterprise specializing in smart power quality management systems, dedicated to providing innovative solutions for reactive power compensation and harmonic filtering to global industrial and commercial clients. With over a decade of expertise, we integrate cutting-edge R&D capabilities, state-of-the-art manufacturing, and intelligent digital testing equipment to deliver energy-efficient, reliable, and intelligent products that optimize electrical systems worldwide.
Advanced Technology & Innovation
Our collaboration with top-tier institutions like Shanghai Jiao Tong University and Zhejiang University ensures continuous breakthroughs in active harmonic filters (APF), static var generators (SVG), and smart capacitors. These products address critical challenges such as voltage instability, harmonic distortion, and power loss, enhancing grid efficiency by up to 30%.
Comprehensive Product Portfolio
Smart Capacitors & Reactive Power Compensation Controllers: Auto-healing low-voltage shunt capacitors (BSMJ series) and intelligent controllers for dynamic load balancing.
Hybrid Solutions: Integrated systems including non-contact thyristor switches and capacitor contactors (CJ19 series) for seamless operation in harsh environments.
Customizable Systems: Tailored solutions for industries like renewable energy (solar/wind farms), marine engineering, and heavy industries (mining, metallurgy).
Global Reach & Quality Assurance
Our products are certified with international standards and trusted in over 15 countries, including the EU, Southeast Asia, and the Middle East. Rigorous testing and ISO-compliant production ensure durability in applications ranging from industrial plants to airport infrastructures.
Sustainability-Driven Solutions
By reducing harmonic pollution and improving power factor correction, we empower clients to achieve energy savings, lower carbon footprints, and compliance with global green energy initiatives.We pride ourselves on offering tailored solutions to meet thespecific needs of our clients, backed by expert technical support and excellent customer service. By focusing on efficientlogistics and comprehensive after-sales service, we aim todeliver products promptly and maintain long-term partner-ships with clients around the world. At Xiamen Jinyaoyuan,our commitment to integrity,innovation, and customer sat.isfaction drives us to contribute to the growth of industrialautomation globally.mation and help our customers achievelong-term success.
Business license
High-tech enterprise certificate
ISO management system certification
Corporate honors
Product certification certificate
Product testing report
Company patent certificate
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