February 28, 2025
No Comments
Read More » 
DC MINI CIRCUIT BREAKER MDB1Z-63
The Moreday 63A DC Miniature Circuit Breaker (MCB) is designed with outstanding current-limiting and arc-extinguishing capabilities. It offers precise protection for solar systems and dc application against overload, short circuits, and other electrical faults.
- 1P/2P/3P/4P
- According to IEC 60947.2
- Breaking capacity: 6kA(High)
- High quality Arc extinguishing barrier
- PC enclosure is optional
- OEM/ODM
Stable Deliivery Time
Technical Support
2 Years
Advantages and Features
High Reliability
The 63A DC mini circuit breaker offers robust protection against overloads and short circuits, safeguarding your equipment and systems.
Accurate Tripping
It features a thermal magnetic tripping mechanism that ensures quick and precise response.
Longevity
With an electrical life exceeding 1500 cycles and a mechanical life over 10,000 cycles, this MCB is built for durability.
Compare with Others
MDB1Z-63 BY MOREDAY
Applicable Scenarios
Solar Power Systems: Ideal for protecting solar panels and DC circuits from faults and ensuring smooth operation.
Automotive Systems: Suitable for electric vehicles and other automotive applications requiring DC protection.
DC Distribution Boxes: Perfect for integration into DC distribution boxes where reliable protection is crucial.
Why Choose Moreday?
Expertise
With over 15 years of industry experience, Moreday is a trusted partner for solar and electrical solutions.
Global Reach
The company has successfully exported to over 100 countries, supporting a diverse client base.
Customer Focus
Moreday provides tailor-made services to meet specific customer needs and has a customer-centered service system.
Sustainability
Committed to advancing sustainable energy solutions, Moreday strives to bring clean energy to all parts of the world.
SPECIFICATION
Specification | Parameter |
Pole | 1P/2P/3P/4P |
Rated Working Voltage Ue | 250V/600V/800V/1000V DC |
Frame Current | 63A |
Rated Current In | 63A, 50A, 40A, 32A, 25A, 20A,16A,10A |
Rated Insulation Voltage Ui | 1000V |
Rated Impulse Withstand Voltage Uimp | 6kV |
Tripping Characteristics | B/C |
Tripping Type | Thermal Magnetic |
Rated Ultimate Short-Circuit Breaking | 6kA |
Rated Service Short-Circuit Interrupting | 6kA |
Electrical Life | > 1500 Cycles |
Mechanical Life | >10000 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 | 2.5~35mm |
Fastening Torque of Terminals | 2.0～3.5 Nm |
Ambient Temperature | -30℃~70℃ |
Storage Temperature | -40℃~85℃ |
Installation Method | DIN RAIL |
Elevation | ≤2000m |
popular questions
FAQ`s.
1.What makes the Moreday 63A DC MCB unique?
The Moreday 63A DC MCB stands out for its high-quality protection against overcurrent, robust design, and compliance with international safety standards such as CE, CB, and IEC. It also features a thermal magnetic tripping mechanism for accurate response to faults.
2. What is the rated voltage for the Moreday 63A DC MCB?
The Moreday 63A DC MCB is rated for 800V/1000V DC, making it suitable for various applications, especially in solar power systems.
3. What are the environmental conditions that the Moreday 63A DC MCB can withstand?
This MCB operates efficiently in temperatures ranging from -30°C to 70°C, with IP40 protection for the housing and IP20 for the wiring ports, suitable for a range of environmental conditions.
4.What tripping characteristics does the Moreday 63A DC MCB offer?
The MCB comes with B/C tripping characteristics, providing reliable protection against both overload and short circuit conditions.
5. How does the Moreday 63A DC MCB ensure customer safety?
The MCB is equipped with thermal magnetic tripping technology, which ensures quick and accurate disconnection during fault conditions, providing optimal safety for customers.
6. How durable is the Moreday 63A DC MCB?
The MCB has an electrical life exceeding 1500 cycles and a mechanical life exceeding 10,000 cycles, demonstrating its durability.
7. In what applications can the Moreday 63A DC MCB be used?
The MCB is ideal for solar power systems, industrial control panels, and other renewable energy applications where DC circuit protection is crucial.
8. How does the Moreday 63A DC MCB contribute to sustainability?
Moreday is committed to advancing clean energy solutions. The MCB is part of the company’s efforts to provide reliable, sustainable energy products that reduce carbon footprints and promote a greener planet.