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Miniature Circuit Breaker (MCB)
Zhejiang Junwei Electric Co., Ltd.
Zhejiang Junwei Electric Co., Ltd.

EBS1B DPN Miniature 1P+N Circuit Breaker

EBS1B DPN Miniature Circuit Breaker (MCB)
1. Product Identity & Core Design
The EBS1B DPN (also called "Phase+Neutral" circuit breaker or MCB DZ30 DPN) features an elegant appearance and innovative structure, engineered specifically for residential electrical applications. It aligns with the IEC60898-1 international standard, ensuring compliance with global safety and performance benchmarks.

2. Key Electrical Specifications
Tailored for 230V AC 50/60Hz power systems, it adopts a 1P+N pole configuration with selectable rated currents from 3A to 32A. Offering B/C tripping characteristics, it provides precise overload and short-circuit protection for diverse residential loads. A 4.5kA breaking capacity enables rapid fault current interruption to prevent equipment damage and safety hazards.

3. Durability & Installation Efficiency
It delivers exceptional longevity with 20,000 mechanical life cycles and 10,000 electrical life cycles, supporting long-term reliable operation. The breaker is designed for 35mm DIN-rail mounting, enabling quick, tool-free installation into standard residential distribution boards and simplifying system maintenance or expansion.

4. Environmental Adaptability
It operates stably in ambient temperatures from -5°C to +40°C (24h average ≤+35°C), at altitudes up to 2,000m, and under relative humidity ≤95%. Built for Pollution Level II conditions, it operates reliably in typical residential environments when installed on a stable, vibration-free surface.

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Zhejiang Junwei Electric Co., Ltd.
Zhejiang Junwei Electric Co., Ltd.

Zhejiang Junwei Electric Co., Ltd. is built on the core values of quality, innovation, and integrity. Over the past 19 years, these principles have guided our growth into a manufacturing and trading enterprise committed to delivering dependable products.

If people and businesses in French-speaking African countries have their lights on, they are going to need what we offer. We will be here to provide the products and services they need, new or old", said Shuping Zhang, the founder of Junwei Electric. It is our mission and passion to provide customers with a quality product from a staff with the expertise to back it up.

Zhejiang Junwei Electric Co., Ltd specializes in solutions. Since 2007, Junwei Electric has made a commitment to our customers that is simple: reliable products, reliable people and reliable services with high value and suitable prices. With ample inventory and a strong supplier network, Junwei is dedicated to delivering a smooth experience. All products are safety-certified and ready for use.

We specialize in the R&D and manufacturing of high- and low-voltage electrical products, including circuit breakers, meter boxes, and fuses. Our products are exported to Cameroon, Côte d'Ivoire, Morocco, Burkina Faso, and other African countries. We have also built long-term, stable partnerships with power authorities in Senegal, Gabon, Benin, and Guinea, serving as a key supplier of DPN Miniature Circuit Breaker products in China for these markets.

We have a dedicated R&D team and laboratory focused on product innovation and technical improvement. We believe that progress comes from real-world needs, curiosity, and a commitment to continuous refinement. All finished products pass multiple rounds of inspection to ensure consistent performance and reliability.

We are not just a DPN Miniature Circuit Breaker Manufacturer , but a partner in reliable electrical solutions. Supported by a comprehensive after-sales service system and efficient supply chain management, we have earned the long-term trust of our overseas customers. Our commitment is simple: provide safe, durable and cost-effective electrical solutions, bolstered by our expertise and care.

Our reputation has been earned through a steady focus on quality. Innovation drives us forward; reliability is what we stand by. All of our production and quality management systems meet or exceed CE and ISO standards. The products you receive are certified, safe, and ready for installation.

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