Unveiling the Marvel: What Is A Miniature Circuit Breaker? A Miniature Circuit Breaker (MCB) is an essential component in modern electrical systems, acting as a sentinel to guard against power anomalies. It ensures the seamless functioning of electrical networks by automatically interrupting circuits when overcurrent situations arise, thereby preventing potential hazards and ensuring safety. Compact in design yet powerful in protection, MCBs are indispensable in both residential and commercial applications, offering reliability and peace of mind.
The Aswich DC Miniature Circuit Breaker stands at the forefront of electrical protection technology, equipped with dual thermal and magnetic tripping mechanisms. This sophisticated device is engineered to shield DC electrical installations from the dangers of overloads and short circuits. Should a fault be detected, the circuit breaker instantly disconnects the circuit, safeguarding wires and minimizing fire risks. Not only can it be manually disengaged during maintenance without incurring damage, but it's also innovatively designed for reversible connections, accommodating bidirectional current with ease. The integrated indicator window offers a swift visual confirmation of the circuit breaker's contact status, simplifying monitoring and enhancing operational safety.
EDB1-63 DC Mini Circuit Breaker: Empower Your Systems with Reliability - 1P 250V 10A 20A. Introducing a robust and versatile solution that meets the demands of modern electrical infrastructures. With its compact design, the EDB1-63 is tailored for efficiency and reliability, making it the go-to choice for experts seeking unparalleled performance.
Exceptional Product Benefits: Redefining Electrical Safety with Unmatched Features and Functionality. Explore the myriad advantages our products offer, designed to ensure optimal performance while prioritizing user safety and convenience.
- Unyielding Protection: Overload and Short Circuit Safeguards. Experience peace of mind with our revolutionary protection mechanisms, expertly engineered to shield your electrical installations from potential hazards, preserving both safety and efficiency.
- Unmatched Durability: Rated Short Circuit Breaking Capacity up to 10 kA. Engineered to withstand even the most challenging conditions, our circuit breakers deliver uncompromised performance at critical moments, ensuring your systems remain secure and operational.
- Versatile Configurations: Non-polarity and Polarity Options Available. Adaptability meets innovation in our product line, offering tailored solutions that cater to diverse application needs, ensuring seamless integration into any setup.
- Powerful Performance: Rated Current In up to 63A. Designed to accommodate robust electrical demands, our circuit breakers deliver consistent and dependable performance, meeting the high standards required by modern infrastructures.
- Unrivaled Precision: Rated Voltage up to 1000V. Harness the power of precision engineering, offering unmatched voltage management to enhance operational safety and efficiency across a wide range of applications.
- Purposefully Designed: Tailored for PV, Energy Storage, and Other DC Applications. Our circuit breakers are crafted to meet the specific needs of photovoltaic systems, energy storage solutions, and diverse DC applications, ensuring optimal performance and reliability.
- Crafted to Standard Excellence: AS 60947.3:2018 and IEC 60947.2:2015 Compliance. Our commitment to quality is reflected in our adherence to globally recognized standards, guaranteeing superior safety and performance that meet and exceed market expectations.
- Unyielding Assurance: 2-Year Warranty, Product Insurance, and Recall Insurance Available. We stand behind our products with comprehensive protection plans, offering you unparalleled peace of mind and confidence in your investment.
Comprehensive Product Profile: EDB1-63 in Focus. Dive into a detailed overview of our EDB1-63 series Miniature Circuit Breaker, a pinnacle of innovation with complete specifications and a remarkable rated current capacity reaching 63A. The series is distinguished by its distinctive blue and grey ON-OFF indicators and transparent line marks cover, perfectly suited for residential power distribution systems.
Product Excellence Unveiled: The EDB1-63 Series. Our EDB1-63 Miniature Circuit Breaker series offers a comprehensive range of specifications, boasting a maximum rated current of up to 63A. This innovative series is highlighted by clear blue and grey ON-OFF indicators and a transparent cover for line marks, making it an ideal choice for residential power distribution systems of up to 63A. Effortlessly integratable with other products, the EDB1-63 represents the epitome of reliability and functionality.
Technical Data: A Closer Look at Our Specifications. Delve into the precise technical details that define our products' excellence, ensuring informed choices for your electrical system needs.
Pole |
1P |
2P |
3P |
4P |
Rated Working Voltage |
Normal Voltage Ue |
250V DC |
500V DC |
750V DC |
1000V DC |
High Voltage Ue |
300V DC |
600V DC |
900V DC |
1200V DC |
Frame Current |
63A |
Rated Current In |
10A,16A, 20A, 25A, 32A,40A, 50A, 63A |
Rated Insulation Voltage Ui |
1200V |
Rated Impulse Withstand Voltage Uimp |
6kV |
Tripping Characteristics |
B/C |
Tripping Type |
Thermal Magnetic |
Rated Ultimate Short-Circuit Breaking Capacity Icu |
6/10kA |
Rated Service Short-Circuit Interrupting Capacity Ics |
6/7.5 kA |
Electrical Life |
Actual |
2000 Cycles |
Standard |
1500 Cycles |
Mechanical Life |
Actual |
20000 Cycles |
Standard |
8500 Cycles |
Overvoltage Category |
III |
Pollution Degree |
3 |
Ingress Protection |
IP40; Wiring port IP20 |
Resistance to humidity and heat |
Class 2 |
Relative Humidity |
≤ 95 % |
Vibration |
acc. to IEC60068-2-6 |
Shocks |
acc. to IEC60068-2-27 |
Terminal capacity |
2.5-25mm² |
Fastening Torque of Terminals |
2.5 N.m |
Ambient Temperature |
-30°C~70°C |
Storage Temperature |
-40°C~85°C |
Installation Method |
DIN |
Elevation |
≤2000m |
Dimension |
Width:18mm/Pole |
High: 68mm |
Depth: 81mm |
Weight 125.3g |
250.55g |
375.9g |
501.1g |



Company Profile
Pioneers in Power: Experienced PV Protective Products and EV Charging Station Manufacturer. As visionaries in the energy industry, we leverage our extensive experience to deliver cutting-edge PV protection and EV charging solutions, paving the way for a clearer, more energy-efficient future.
Onccy Electrical Co., Ltd: Shaping a Sustainable Future. With a steadfast vision of a cleaner and more sustainable world, we are spearheading the solar and new energy industries with rugged technology and dependable products. Our mission is to become the primary choice for embarking on smart energy solutions, enhancing the impact of good technology by making it widely accessible. We are committed to bringing smart solar systems to the globe through high-quality offerings that transform the energy landscape.
Our Core Offerings: DC/AC Isolator Switches, PV Combiner Boxes, DC Circuit Breakers, Surge Arresters, DC Fuse Holders, Rapid Shutdown Systems, and EV Chargers. Explore our diverse range of products meticulously crafted to meet the diverse needs of modern electrical infrastructures, each designed to enhance safety and performance.
Global Reach with Onccy: Empowering Energy Innovation Worldwide. With a dedicated team of over 200+ global experts and an extensive distribution and service network covering North America, South America, Europe, Asia, Africa, and Oceania, Onccy empowers homeowners and professionals in over 100 countries to embrace the journey toward true open energy solutions.
Our Unwavering Commitment to Quality: Elevating Industry Standards. As a cornerstone of our operations, quality is the ultimate goal across all our workshops, ensuring the optimal performance and safety of every Solar, Storage, and EV charging system. Our unwavering commitment to excellence enhances brand awareness and loyalty, with our factories and products meeting UL, SAA, CB, CE, TUV, ISO, and RoHS standards.
Commitment to Excellence: Quality as Our Guiding Principle. Our dedication to quality is the driving force behind our unparalleled performance and safety in Solar, Storage, and EV charging systems. Through rigorous adherence to UL, SAA, CB, CE, TUV, ISO, and RoHS standards, we elevate brand recognition and trust, ensuring that every product exceeds customer expectations.
Staying Ahead of Market Trends: Pioneering the Future of Energy Solutions. Our commitment to innovation fuels our pursuit of new products that align with market demands. Through our in-house R&D team, we've achieved groundbreaking milestones such as China's first UL508i listed patented DC switch and the globally-focused DC-PV2 DC switch. Our state-of-the-art PV protective products and EV chargers are designed to foster enduring partnerships with renewable energy companies.
Pioneering Progress: Leading the Charge in Market Trends and Product Innovation. Achieving our goals stems from our relentless pursuit of new product formulations driven by market demands through our dedicated in-house R&D team. Celebrated achievements such as our UL508i listed patented DC switch within China and the globally recognized DC-PV2 DC switch stand testament to our innovation. With our advanced PV protective products and EV chargers, we are poised to cultivate enduring partnerships with leading renewable energy companies.
FAQ
Q: Are you trading company or manufacturer ?
A: We are manufacturer. We have 30,000 square meters of self-owned plant.
Q: Do you have any certificates?
A: Yes,we have UL, TUV, CB, SAA, CCC, CE and other certifications.
Q: How do we make a quick response to customer , 5 inquiry ?
A: Our professional team will reply you online or by email,Skype, whatsApp and so on.
Q: Do you have any exporting experience?Which countries did you export to before?
A: We have lots of exporting experience and customers in many countries,such as America, Japan,Australia,UAE,Canada,Vietnam,Turkey,Thailand,Russia,UK,etc.
Q:Can you supply samples for checking ?
A: Yes, we can supply samples, pls contact for detailed required.
Q:How long is your delivery time?
A: Generally it is within 3days for small qty. Or it is around 15-20 days to a general order.
Q: What is the standard of package of your goods?
A: Export standard package or special package according to customer requirement.
Q:How about inspection?
A: We have the whole inspection system from raw material to end products include transient test, delay test,mechanical life test and so on.Q:What is the service offered by company?
A: We have the professional engineer team which can design and develop the mould to arrive different customer requirements. We also have the professional sales team to offer good service from pre-sale to after-sale.