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BYB1-LE-63 Series Miniature Electric leakage Circuit Breaker Electrical MCB with Copper Current Circuit Breaker Mini Circuit Breaker 400V

BYB1-LE-63 Series Miniature Electric Leakage Circuit Breaker Electrical MCB with Copper Current Circuit Breaker Mini Circuit Breaker 230V

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.

Product Detail

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Specification of BYB1-LE-63 Series Miniature Electric Leakage Circuit Breaker

Type	BYB1-LE-63 Series Miniature Electric leakage Circuit Breaker
Pole	2P
Production Degree	IP20
Rated Working Current	32A
Rated Working Voltage	230V
Temperature	-5℃~+40℃
Average Temperature	≤ 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	≤ 2000m
Machine lifespan (times)	20000
Temperature protection	All series are equipped with temperature protection

Overview of BYB1-LE-63 Series Miniature Electric Leakage Circuit Breaker

The BYB1-LE-63 Series Miniature Electric Leakage Circuit Breaker by BaoYu Holdings is a premium electrical protection device engineered to rival global brands like Schneider MCB and Himel MCB. Designed for low-voltage systems, it integrates Over Voltage Circuit Protection, High Current Protection Circuit, and 30mA-sensitivity leakage detection, making it ideal for residential, commercial, and industrial applications. Featuring a copper-core conductor and Molded Case CB Design, it delivers robust Short Circuit Current Protection and supports MCB 32A 2P Two-phase systems. Compatible with MCCB panels and smart grid remote monitoring, it reduces reliance on traditional Fuse Current systems. Advanced Crowbar Circuit surge suppression, Air Circuit Breaker-grade durability, and international certified Electric and Magnetic Circuit protection ensure stability during Circuit Overload and fluctuating Electricity Load. Its seamless Adding Breaker to Panel compatibility and alignment with Miniature Circuit Breaker Mitsubishi standards offer a cost-effective, globally compliant solution for modern electrical safety upgrades.

Product Function Introduction of BYB1-LE-63 Series Miniature Electric Leakage Circuit Breaker

The BYB1-LE-63 Series Miniature Electric Leakage Circuit Breaker redefines electrical safety with intelligent protection, modular design, and cost-effective performance. Whether upgrading an MCCB circuit or installing new panels, trust Baoyu to deliver peace of mind comparable to Schneider, Himel, and Mitsubishi.

1. Comprehensive Circuit Protection

Over Voltage Circuit & High Current Protection Circuit
Equipped with dual-mode sensors, the BYB1-LE-63 monitors voltage and current fluctuations in real time. It instantly trips during overvoltage events or excessive Mcb Current (up to 63A), safeguarding sensitive devices from damage caused by power surges or overloads.
Short Circuit Current Protection
The breaker’s electromagnetic trip mechanism provides rapid (<0.1s) response to short circuits, exceeding industry standards for Molded Case CB safety. Ideal for high-risk environments requiring robust Crowbar Circuit capabilities.

2. Smart Design for Modern Systems

MCCB Panel & MCb Electrical Compatibility
Compact and modular, the BYB1-LE-63 fits seamlessly into standard MCCB panels, making Adding Breaker To Panel installations effortless. Its 2P configuration ensures balanced load distribution across Electric Circuit And Magnetic Circuit systems.
MCCB LSIG Protection
Supports Long-Time, Short-Time, Instantaneous, and Ground Fault (LSIG) protection, aligning with advanced distribution networks and reducing downtime in industrial settings.

3. Precision Engineering for Reliability

Fuse Current & Circuit Overload Management
Rated for 230V and compatible with Mcb 32A 2P systems, this breaker offers adjustable trip thresholds to handle diverse Electricity Load requirements. Its flame-retardant housing and corrosion-resistant components ensure durability in harsh conditions.
Air Circuit Breaker Technology:
Inspired by Air Circuit Breaker innovation, the BYB1-LE-63 minimizes arc flash risks while maintaining efficient thermal management, extending operational lifespan compared to traditional Mini Circuit Breaker models.

Benchmark against Schneider & Himel
Engineered to meet or exceed global standards (IEC 61009-1), the BYB1-LE-63 rivals premium brands like Schneider MCB and Himel MCB in terms of safety, durability, and performance. Ideal for applications requiring Miniature Circuit Breaker Mitsubishi-grade reliability.
Versatile Applications
Perfect for residential wiring, commercial buildings, solar installations, and industrial machinery, this breaker ensures compliance with NEC, CE, and UL regulations.

The Size Information of Products

Ergonomic Wide Handle Design: Perfecting Comfort and Control：The BYB1-LE-63 Series Miniature Electric Leakage Circuit Breaker features a wide, ergonomic handle meticulously crafted to elevate user experience. Unlike standard narrow handles on generic MCCB or MCB models (e.g., Schneider MCB, Himel MCB), our design incorporates:Generous Width & Natural Arc: Spanning 25% wider than industry averages, the handle’s curved arc aligns with the hand’s natural contour, reducing strain during frequent operations in MCCB panels or industrial settings.Textured Non-Slip Surface: A diamond-patterned grip ensures secure control in challenging environments, critical for reliable Mcb Electrical safety.Low-Effort Actuation: Requires 30% less force to toggle compared to traditional Mini Circuit Breaker designs, minimizing fatigue in commercial or residential use.Visual Clarity: Bright red color contrasts with panels, instantly signaling tripped breakers during Circuit Overload emergencies.

Latching Mechanism:The built-in magnetic latching relay uses permanent magnets to maintain contact stability, even during High Current Protection Circuit events. Unlike thermal-magnetic breakers prone to overheating, this design resists burnout when exposed to sustained high currents (up to 10x rated Mcb Current), making it ideal for industrial MCCB panels or machinery with fluctuating loads.Instantaneous Short Circuit Response:The relay’s electromagnetic system triggers within milliseconds during Short Circuit Current Protection scenarios, minimizing arc flash risks and protecting both the breaker and connected equipment. This speed exceeds the performance of traditional Molded Case CB solutions in critical applications like data centers or manufacturing plants.

BYB1-LE-63 Series Miniature Electric Leakage Circuit Breaker

The BYB1-LE-63 Series Miniature Electric Leakage Circuit Breaker features extra-wide, reinforced terminalsdesigned to outperform standard connectors found in Schneider MCB, Himel MCB, or generic Mini Circuit Breaker models. Here’s how our Large-scale interface and premium materials redefine safety and reliability:Generous Terminal Dimensions:The large-sized terminals (15% wider than industry norms) accommodate thicker wires (up to 10 AWG) without compromising contact stability. Ideal for high-power applications in MCCB panels or industrial machinery requiring robust Mcb Electrical connections.High-Quality Copper Alloy Construction:Crafted from oxygen-free copper with a nickel-plated finish, the terminals resist corrosion and oxidation, ensuring low resistance and minimal heat buildup during high-current operations. This durability surpasses flimsy aluminum terminals in budget Molded Case CB products.

Usage scenarios

BYB1-LE-63 Series Miniature Electric Leakage Circuit Breaker in Home

Home lighting system Industrial field

Storage Workshop

Intelligent Storage Workshop

Production workshop

Digital Production Workshop

Workshop Vedio

Company Profile: Baoyu Holdings Co., Ltd. - Leading Provider of Smart Power Quality Solutions

Baoyu Holdings Co., Ltd. is a global leader in designing, manufacturing, and delivering advanced smart power quality equipment for residential, commercial, and industrial sectors. With over 20 years of expertise, we specialize in electric power quality improvement, power compensation systems, and innovative energy management solutions that ensure stable, efficient, and safe electrical performance.

Economic Power & Innovation

Invested over $50 million in R&D and state-of-the-art manufacturing facilities, enabling us to develop cutting-edge power quality products that meet global standards.
Partnered with Fortune 500 companies and utility providers worldwide to optimize energy efficiency and reduce downtime.

Product Excellence

Our portfolio includes smart power quality devices, voltage stabilizers, Static Var Generator (SVG), Contactor, Intelligent Capacitor，active harmonic filters, and molded case circuit breakers (e.g., BYB1-LE-63 Series), engineered to tackle voltage fluctuations, harmonics, and power surges.
Solutions certified for electric power quality improvement, ensuring compliance with strict international regulations.

Factory Advantages

100,000+ sqm automated production base with robotic assembly lines and intelligent quality control systems.
ISO 9001:2015 certified processes, ensuring consistent output of high-quality power compensation equipment.

Global Logistics & Support

Strategically located warehouses in the U.S., Europe, and Asia, enabling 7-day delivery to major markets.
24/7 technical support and customized solutions for industrial power quality optimization.

Why Choose Baoyu?

Cost-Effective Innovation: Our power quality solutions reduce energy waste by up to 30%, lowering operational costs.
Reliability: Over 1 million units sold globally, trusted by clients in renewable energy, data centers, and manufacturing.
Sustainability: Eco-friendly designs aligned with global net-zero goals.