DAM11 Series Molded Case Circuit Breakers – The Next Generation of Power Protection

Introduction  

Shanghai Dada Electric Co., Ltd. is proud to introduce the DAM11 Series Molded Case Circuit Breaker (MCCB), a cutting-edge solution designed to meet the evolving demands of modern power distribution systems. Combining the best features of international standards with market-driven innovation, the DAM11 Series delivers superior performance, reliability, and safety for industrial, commercial, and infrastructure applications.  

With an impressive insulation voltage of up to 1000V, the DAM11 MCCB is engineered to operate in AC 50Hz systems with a rated working voltage of 690V  and a current range of 10A-800A. It ensures optimal protection against overload, short circuits, and undervoltage conditions, safeguarding electrical systems and equipment from damage. Additionally, our DC series caters to specialized applications, reinforcing our commitment to versatile and high-performance circuit protection.  

In this article, we will explore:  

- The critical role of MCCBs in power systems  

- Key features and advantages of the DAM11 Series

- Applications across industries  

- Why Shanghai Dada Electric stands out in electrical protection solutions  

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The Importance of Molded Case Circuit Breakers in Power Systems

Molded Case Circuit Breakers (MCCBs) are fundamental components in electrical distribution networks, ensuring safety, efficiency, and uninterrupted power supply. Unlike traditional fuses, MCCBs provide resettable protection**, reducing downtime and maintenance costs.  

1. Overload & Short Circuit Protection  

Electrical systems are prone to overloads and short circuits, which can cause catastrophic failures, fires, or equipment damage. The DAM11 MCCB instantly detects abnormal current surges and interrupts the circuit, preventing hazardous conditions.  

2. System Reliability & Energy Efficiency

A robust MCCB enhances system stability by preventing voltage fluctuations and power wastage. The DAM11 Series ensures precise tripping under fault conditions, minimizing energy loss and optimizing performance.  

3. Safety & Compliance

Modern electrical installations must comply with stringent IEC, UL, and GB standards. The DAM11 MCCB meets international safety certifications, providing high dielectric strength, arc quenching capability, and thermal stability  for long-term operation.  

4. Flexibility in Applications

From industrial plants, data centers, and renewable energy systems to marine, mining, and construction, MCCBs are indispensable. The DAM11 Series, with its  wide current range and dual AC/DC compatibility, is tailored for diverse environments.  

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DAM11 Series MCCB – Advanced Features & Benefits  

Shanghai Dada Electric’s DAM11 Series is engineered for maximum durability, precision, and ease of use, setting a new benchmark in circuit protection technology.  

1. Superior Insulation & Voltage Withstand

-1000V insulation voltage ensures safe operation in high-stress environments.  

- 690V rated operational voltage for robust performance in industrial power networks.  

2. Wide Current Range (10A-800A)

- Suitable for light commercial to heavy industrial applications.  

- Adjustable trip settings for customized protection.  

3. Advanced Trip Mechanisms  

- Thermal-magnetic tripping for overload and short-circuit protection.  

-Undervoltage release (optional) to prevent equipment damage during power dips.  

4. DC Circuit Protection

- Dedicated DC MCCB series for solar power systems, EV charging stations, and battery storage.  

5. Compact & Robust Design  

- Space-saving modular construction for easy installation.  

- High-breaking capacity (Icu up to 100kA)  for extreme fault conditions.  

6. Smart & Future-Ready Options  

- Communication-ready models (RS485, IoT-enabled monitoring)  for smart grid integration.  

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Applications of the DAM11 MCCB

The versatility of the DAM11 Series makes it ideal for:  

✔ Industrial Automation – Protects motors, transformers, and control panels.  

✔ Renewable Energy Systems – Ensures safety in solar/wind power installations.  

✔ Data Centers & Telecom – Prevents downtime in critical IT infrastructure.  

✔ Marine & Offshore – Corrosion-resistant design for harsh environments.  

✔ Commercial Buildings – Reliable protection for HVAC, lighting, and elevators.  

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Why Choose Shanghai Dada Electric?

As a leading innovator in electrical protection, Shanghai Dada Electric combines R&D excellence, stringent quality control, and global market insights to deliver best-in-class solutions.  

✅ 40+ Years of Expertise in circuit protection technology.  

✅ ISO 9001 & CE Certified manufacturing processes.  

✅ Customizable Solutions  for OEMs and large-scale projects.  

✅ Global Supply Network with fast, reliable delivery.  

Conclusion

The DAM11 Series MCCB represents the next evolution in circuit protection, offering unmatched safety, efficiency, and adaptability for modern power systems. Whether for AC or DC applications, industrial or commercial use, Shanghai Dada Electric ensures your electrical infrastructure remains secure and operational.  

Upgrade to DAM11 – Where Innovation Meets Reliability.

Contact us today to discuss your project requirements or request a product demonstration!