May 8, 2025
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MDB1Z-125 DC Miniature Circuit Breaker
The Moreday MDB1Z-125 1DC Miniature Circuit Breaker (MCB) is designed to provide reliable protection for your direct current (DC) systems. With robust construction and exceptional performance, this DC MCB 125A ensures that your electrical equipment is safeguarded against overloads and short circuits.
Key Features and Advantages
Circuit Breaker Switch Demonstration
Applications
Solar Energy Systems: Provides protection for solar panel arrays and DC combiners.
Electric Vehicles: Protects electrical systems in electric vehicle charging stations.
Telecommunications: Safeguards equipment in DC-powered telecom systems.
Industrial Control Systems: Offers reliable protection for DC-powered machinery and equipment.
Why Choose Moreday?
Commitment to Quality
Moreday is an ISO9001-certified manufacturer with a focus on delivering top-quality products.
Technological Innovation
With over 30 national patents, Moreday is a leader in developing innovative solutions.
Customer-Centered Approach
Moreday provides tailor-made services to meet specific customer needs.
Global Reach
Moreday products are trusted worldwide, exported to over 100 countries.
SPECIFICATION
Specification | Parameter |
Pole | 2P/4P |
Rated Working Voltage Ue | 600V DC/1000V DC |
Rated Current In | 63A, 80A,100A,125A |
Rated Insulation Voltage Ui | 1000V |
Rated Impulse Withstand Voltage Uimp | 6kV |
Tripping Characteristics | B/C |
Tripping Type | Thermal Magnetic |
Rated Ultimate Short-Circuit Breaking Capacity Icu | 15kA(In≤100A) |
Rated Service Short-Circuit Interrupting Capacity Ics | 10kA(In≤100A) |
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 is the MDB1Z-125 DC MCB designed for?
The MDB1Z-125 is designed for safeguarding DC electrical systems, offering protection against overloads and short circuits. It is ideal for applications like solar power systems and industrial equipment.
2. How does the MDB1Z-125 enhance safety?
This DC MCB enhances safety by providing quick disconnection during faults, preventing damage to equipment and electrical systems. It also complies with international safety standards, ensuring reliability.
3. Is the MDB1Z-125 suitable for solar power systems?
Yes, the MDB1Z-125 is highly suitable for solar power systems. Its robust design and reliable protection make it ideal for photovoltaic installations and similar applications.
4. Does the MDB1Z-125 meet safety certifications?
The MDB1Z-125 meets essential safety certifications like CE and TUV, which ensures that it adheres to international standards for quality and safety.
5. What current rating does the MDB1Z-125 handle?
The MDB1Z-125 is rated at 125A, making it capable of handling high direct current loads for heavy-duty applications.
6. Can the MDB1Z-125 be used for electric vehicle charging stations?
Yes, the MDB1Z-125 is suitable for use in electric vehicle charging stations, where secure current management and reliable protection are crucial.
7. What type of protection does the MDB1Z-125 offer?
The MDB1Z-125 offers protection against both overloads and short circuits, providing comprehensive safeguarding for DC electrical systems.
8. How durable is the MDB1Z-125?
The MDB1Z-125 is constructed with robust materials to endure harsh environments, making it highly durable and suitable for industrial and outdoor applications.
