What Makes the DZ20 Series MCCB Moulded Case Circuit Breaker Stand Out?
2025-10-10
In the modern industrial and commercial world, electrical safety is a critical concern. Every circuit, whether in a factory, office, or home, requires dependable protection against overloads and short circuits. This is where the DZ20 series MCCB Moulded Case Circuit Breaker demonstrates its value.
Manufactured with precision and quality assurance by Shanghai FATO Group Co., Ltd., the DZ20 series MCCB is designed to ensure maximum protection, high breaking capacity, and reliable performance in diverse electrical applications. Its compact structure, high mechanical strength, and superior insulation performance make it suitable for demanding power distribution systems.
I often find myself recommending the DZ20 series MCCB to clients who are looking for a balance between durability, efficiency, and ease of maintenance. The question is: Why is this model so widely trusted across industries? The answer lies in its exceptional design and technical excellence.
How Does the DZ20 Series MCCB Work?
The DZ20 series MCCB Moulded Case Circuit Breaker operates by automatically interrupting the current flow when an overload or short circuit occurs. Its advanced arc-extinguishing system and thermal-magnetic trip mechanism ensure quick disconnection, minimizing the risk of equipment damage or fire.
The breaker's moulded case provides robust insulation and mechanical protection. This ensures stable operation even under harsh environmental conditions. Additionally, its modular design allows for convenient installation and easy replacement, which helps reduce maintenance downtime.
When I tested this product in various industrial environments, its performance remained consistent — a clear sign of superior engineering and manufacturing quality.
What Are the Technical Parameters of the DZ20 Series MCCB?
The technical performance of the DZ20 series MCCB reflects Shanghai FATO Group's commitment to reliability and innovation. Below is a concise summary of its key specifications:
| Parameter | DZ20 Series MCCB Specification |
|---|---|
| Rated Current (In) | 63A – 1250A |
| Rated Voltage (Ue) | AC 400V / 690V |
| Rated Insulation Voltage (Ui) | 800V |
| Breaking Capacity (Icu) | Up to 50kA |
| Poles | 3P / 4P |
| Trip Unit Type | Thermal-magnetic / Electronic |
| Mounting Type | Fixed or Plug-in |
| Operating Temperature | -5°C to +40°C |
| Standards Compliance | IEC 60947-2 / GB 14048.2 |
| Mechanical Life | 10,000 operations |
| Electrical Life | 6,000 operations |
This combination of high rated current and breaking capacity ensures that the DZ20 series MCCB performs efficiently across various electrical distribution systems.
Where Can the DZ20 Series MCCB Be Applied?
One of the main reasons professionals choose the DZ20 series MCCB is its versatility. It serves a wide range of industries and applications, including:
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Industrial Facilities: Power control and protection for motors, generators, and heavy-duty equipment.
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Commercial Buildings: Safe power distribution for HVAC systems, elevators, and lighting systems.
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Infrastructure Projects: Reliable operation in energy plants, substations, and water treatment systems.
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Residential Complexes: Enhanced safety for large apartment or housing projects.
No matter the scale of your project, the DZ20 series MCCB provides dependable performance and long service life, making it a smart investment for engineers and contractors worldwide.
Why Is the DZ20 Series MCCB Important for Electrical Safety?
Electrical protection is not just about compliance—it's about preventing loss. Overloads, short circuits, and electrical faults can lead to catastrophic damage. The DZ20 series MCCB Moulded Case Circuit Breaker ensures:
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Fast Fault Interruption: Reduces downtime and prevents equipment damage.
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High Breaking Capacity: Safely interrupts high fault currents without arc damage.
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Thermal Stability: Maintains performance under continuous operation.
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User Protection: Prevents electrical shock and fire risks.
These features make the DZ20 series MCCB not only a protective device but a core component of a reliable electrical distribution system.
How Does It Compare to Other MCCBs?
When compared to standard MCCBs on the market, the DZ20 series MCCB offers higher rated breaking capacity and longer operational life. Many competitors focus only on affordability, while Shanghai FATO Group Co., Ltd. emphasizes durability, precision, and customer safety.
Comparison Overview:
| Feature | DZ20 Series MCCB | Standard MCCB |
|---|---|---|
| Breaking Capacity | Up to 50kA | Typically 25–35kA |
| Trip Mechanism | Thermal-magnetic or electronic | Thermal only |
| Durability | High mechanical & electrical | Moderate |
| Insulation Strength | 800V | 600V |
| Compliance Standards | IEC 60947-2 / GB 14048.2 | Basic IEC only |
This comparison highlights why professionals continue to choose the DZ20 series MCCB as their trusted electrical safety solution.
FAQ: Common Questions About the DZ20 Series MCCB Moulded Case Circuit Breaker
Q1: What is the main function of the DZ20 series MCCB Moulded Case Circuit Breaker?
A1: The main function is to protect electrical circuits and equipment from overloads and short circuits by automatically disconnecting the power when abnormal current is detected.
Q2: How can I select the right model of DZ20 series MCCB for my application?
A2: Selection depends on your circuit's rated current, voltage, and load type. For example, 3P MCCBs are suitable for standard three-phase systems, while 4P types provide full neutral protection. Shanghai FATO Group Co., Ltd. provides detailed product selection guidance upon request.
Q3: Can the DZ20 series MCCB be used in harsh environments?
A3: Yes. The breaker's moulded case housing offers high insulation and resistance to dust, moisture, and heat, ensuring reliable operation in industrial and outdoor settings.
Q4: What maintenance does the DZ20 series MCCB require?
A4: Regular inspection of terminal connections, tripping mechanisms, and visual condition is recommended. Due to its robust design, maintenance is minimal and typically limited to annual checks.
How Can You Get the DZ20 Series MCCB from Shanghai FATO Group Co., Ltd.?
If you're looking to upgrade your electrical safety system or integrate reliable circuit protection into your project, Shanghai FATO Group Co., Ltd. offers professional solutions tailored to your requirements. The company provides complete product documentation, technical support, and after-sales service to ensure every installation meets global standards.
For detailed product catalogs, technical consultations, or inquiries about the DZ20 series MCCB Moulded Case Circuit Breaker, please contact us at Shanghai FATO Group Co., Ltd.
The DZ20 series MCCB Moulded Case Circuit Breaker represents a perfect balance of innovation, safety, and reliability. With its high breaking capacity, modular structure, and robust design, it stands as a benchmark in electrical protection systems. Whether you are designing a new project or upgrading an existing electrical installation, choosing the DZ20 series MCCB from Shanghai FATO Group Co., Ltd. ensures long-term performance and peace of mind.
