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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
BYCM1EL-250 Electronic Molded Case Residual Current Circuit Breaker AC400V MCCB Benchmark against Schneider MCCB
Main Product Parameters of BYCM1EL - 250 Electronic Molded Case Residual Current Circuit Breaker
| Model | BYCM1EL - 250 Electronic Molded Case Residual Current Circuit Breaker |
| Rated Current (In)(A) | (0.4-1)ln |
| Number of Poles | (0.4-1)ln |
| Rated Residual Operating Current (l△n) (mA) | 50/100/300/500/1000/AUTO (Automatic Tracking) Adjustable in Stages |
| Limit Non-Driving Time (s) | Selectable Settings: 0.06, 0.1, 0.2 |
| Rated insulation Voltage (Ui)(V) | AC1000 |
| Rated lmpulse Withstand Voltage (Uimp)(V) | L25/M50/H65 AC400V |
| Rated Working Voltage (Ue) (V) | AC400V |
| Rated Ultimate Short-Circuit Breaking Capacity(lcu)(kA) | L25/M50/H65 |
| Rated Operational Short-Circuit Breaking Capacity(lcs)(kA) | L15/M35/H55 |
| Rated Short-Time Withstand Current (lcw) | L:3kA/1S、M、H:8kA/1s |
| Rated Residual Short-Circuit Making and Breaking Capacity(1△m)(kA) | %25lcu |
| Rated Frequency | 50Hz |
Overview of BYCM1EL - 250 Electronic Molded Case Residual Current Circuit Breaker
BYCM1EL-250, a cutting-edge MCCB (Molded Case Circuit Breaker) from BaoYu Holdings Ltd., is engineered to deliver superior overcurrent and short circuit protection while integrating advanced LSIG protection (Long-time, Short-time, Instantaneous, and Ground Fault) for comprehensive electrical safety. Designed for low-voltage breakers applications up to AC400V, this smart breaker combines precision with reliability, making it an ideal solution for industrial, commercial, and utility power systems.This MCCB molded case circuit breaker stands out with its fusion of smart breaker technology and rugged durability. Whether upgrading legacy systems or designing new installations, it offers unmatched protection against overcurrent, short circuits, and voltage anomalies, while optimizing energy efficiency.Key Features including：
Advanced Protection & Intelligence:
- Equipped with LSIG protection, the BYCM1EL-250 ensures precise tripping during overloads, short circuits, and ground faults.
- Incorporates overvoltage and overcurrent protection circuits, including SCR over-voltage protection and USB overvoltage protection, safeguarding sensitive equipment from transient voltage spikes.
- Smart monitoring capabilities enable real-time diagnostics, aligning with modern electrical switchgear and protection standards.
Robust Performance:
- Rated for 3-phase systems, this MCCB supports high-breaking capacities, ensuring reliability in demanding environments.
- Compatible with Siemens MCCB Configurator tools for seamless integration into existing systems, and benchmarked against leading competitors like Eaton Power Defense MCCB and Schneider MCCBs for performance parity.
Versatile Applications:
- Ideal for electrical breaker installation in power distribution panels, renewable energy systems, and industrial automation.
- Addresses harmonics mitigation, three-phase imbalance, and reactive power compensation, enhancing overall power quality.
Certifications & Compliance:
- Meets global standards for low-voltage breakers, ensuring safety and interoperability.
- Compact, modular design simplifies maintenance and reduces downtime, aligning with electrical switchgear and protection best practices.
Working Principle of BYCM1EL - 250 Electronic Molded Case Residual Current Circuit Breaker
Advanced Residual Current Detection Technology
Dual-Protection Mechanism for Overloads and Short Circuits
Enhanced Arc Extinction and Durability
Size Informations
| Model | W | L | H | A | B | D | C |
Mounting Screw Dimensions(mm) |
| BYCM1EL - 250 | 142 | 165 | 110 | 126 | 70 | 35 | 20 | Ф4×45 |
Manufacture Good Products with Heart
Accessories Advantages: Modular Expansion and Compatibility：The BYCM1EL-250 offers a modular accessory system that enhances functionality without replacing the entire unit. Options include:Communication Modules: Enable IoT integration for real-time monitoring and remote diagnostics, ideal for smart grids.Auxiliary Contacts: Expand control capabilities for automation systems.Surge Protection Devices: Shield against voltage spikes, improving power quality and circuit reliability.
Unlike Schneider’s proprietary accessories, Baoyu’s components are cross-compatible with global standards, reducing maintenance costs and downtime. The breaker also supports field retrofitting, ensuring adaptability as electrical needs evolve.
Installation Advantages: Speed, Space-Saving Design, and Stability:The BYCM1EL-250 simplifies installation with its compact frame and dual-function design, combining residual current protection (RCCB) and overload/short-circuit protection (MCCB) in a single unit. This eliminates the need for separate devices, reducing panel space by up to 30% compared to Schneider’s solutions. Its screw-terminal mounting ensures secure, vibration-resistant connections, unlike rail-mounted alternatives that risk loose contacts. Electricians benefit from plug-and-play compatibility with standard enclosures, cutting installation time by 20% while meeting strict safety standards for harmonic mitigation and three-phase imbalance solutions.
Wiring Advantages: Versatility and Error Prevention:Featuring quick-connect terminals and color-coded phase indicators, the BYCM1EL-250 streamlines wiring for both professionals and DIY users. Its bidirectional terminals accept cables up to 35mm², supporting high-current applications, while Schneider MCCB’s fixed-direction terminals often restrict flexibility. The breaker’s arc chute technology minimizes arcing during tripping, protecting internal components and ensuring safe operation in harsh environments. Additionally, the adjustable trip settings allow precise customization for loads like industrial machinery or commercial equipment, a key edge over Schneider’s one-size-fits-all approach.
Using Scenarios of BYCM1EL - 250 Electronic Molded Case Residual Current Circuit Breaker
Family Industrial equipment Charging equipment
Storage Workshop
Production workshop
Workshop Vedio
Baoyu Holdings Limited: Your Trusted Partner in Smart Power Quality & Circuit Protection Solutions
Baoyu Holdings Limited is a leading manufacturer specializing in intelligent power quality optimization and advanced circuit protection systems. With state-of-the-art automated manufacturing facilities, we deliver innovative solutions for harmonic mitigation, three-phase imbalance correction, reactive power compensation, and comprehensive circuit safety—ensuring optimal energy efficiency and reliability for industrial, commercial, and utility clients worldwide.
Why Choose Baoyu?
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Automated Precision Production: Our cutting-edge factory integrates robotic assembly lines and AI-driven quality control systems, guaranteeing consistent product excellence and rapid scalability.
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Clean, Climate-Controlled Facilities: Pristine production floors and expansive warehouses equipped with temperature/humidity regulation technology ensure ideal storage conditions for sensitive components.
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Rigorous Quality Assurance: Every unit undergoes 100% testing—including burn-in tests, harmonic analysis, and precision calibration—by certified engineers before shipment.
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End-to-End Expertise: From R&D to delivery, our team of electrical engineers and technicians ensures compliance with international standards.
Core Product Categories
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Smart Power Quality Solutions:
- Active Harmonic Filters (AHF) & Passive Harmonic Mitigation Systems
- Three-Phase Balancing Devices & Voltage Stabilizers
- Dynamic Reactive Power Compensation (SVG/SVC) & Power Factor Correction Units
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Intelligent Circuit Protection:
- Surge Protective Devices (SPD) & Arc Fault Detection Systems
- Smart Circuit Breakers with IoT Monitoring & Energy Management Integration
Committed to advancing global energy sustainability, PowerRain combines technological innovation with eco-conscious practices to reduce energy waste and enhance grid resilience. Partner with us to transform your power infrastructure—where every product is engineered to protect, optimize, and outperform.
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