Reliable Miniature Circuit Breakers for Global Electrical Safety
NBSe designs and manufactures high-performance MCBs, RCCBs, and RCBOs trusted by industrial, commercial, and residential projects worldwide. ISO & CE certified with over 70 patents.
This page is not the official website. Generated by AI, does not constitute any advice. If needed, please click here to visit the corresponding official website.
NBSe designs and manufactures high-performance MCBs, RCCBs, and RCBOs trusted by industrial, commercial, and residential projects worldwide. ISO & CE certified with over 70 patents.
Innovation in Electrical Protection Since Wenzhou
NBSe is a high-tech enterprise specializing in the research, development, and manufacturing of miniature circuit breakers and residual current circuit breakers. Recognized as an “AAA-grade Export Credit Enterprise,” “Advanced Enterprise,” and “Patent Model Enterprise,” we combine innovation with reliability.
With over 70 domestic and international patents, more than 10,000 square meters of modern production facilities, and a dedicated team of technical experts, NBSe delivers safe, durable, and compliant electrical protection solutions to markets across Asia, Europe, Africa, and the Americas.
High-Performance Circuit Protection Devices
Rated Voltage: 240V/415V | Breaking Capacity: 3KA/4.5KA | Poles: 1P
Rated Voltage: 240V/415V | Breaking Capacity: 3KA/4.5KA | Poles: 2P
Rated Voltage: 240V/415V | Breaking Capacity: 4.5KA/6KA | Poles: 1-4P
Rated Voltage: 230V (1P+N) or 400V (3P+N) | Rated Current: 100A
Advanced visual status indication | IEC60898-1 Standard
Residual Current Operated Circuit Breaker with Overcurrent Protection
High breaking capacity | Compact design | Long service life
Rated Voltage: 415V | Breaking Capacity: 6kA | Poles: 1P to 4P
Engineered for Safety, Reliability, and Global Compliance
All products are CE and ISO certified, meeting IEC60898 and GB10963 standards for global compliance and safety assurance.
Our MCBs offer breaking capacities from 3kA to 6kA, ensuring rapid fault interruption and equipment protection.
With over 70 patents, NBSe leads in innovation, offering unique designs like visual trip indication and enhanced arc quenching.
Serving over 60 countries with responsive technical support, fast delivery, and OEM/ODM services.
Standard lead time of 10–20 days. Efficient logistics from Ningbo Port, China.
Standard carton: 520x420x200mm | 100 pcs per box | 26kg net weight | Custom branding available.
Get answers to common inquiries about our products and services
Our MCBs and RCCBs comply with IEC60898-1 and GB10963 standards. All products are CE and ISO certified.
Standard lead time is 10–20 days after order confirmation, depending on quantity and customization.
Yes, we provide full OEM and ODM support, including custom packaging, branding, and product specifications.
NBSe offers a 24-month warranty on all circuit breakers under normal operating conditions.
Please visit the official website to submit your inquiry. Our team responds within 24 hours.
Reach out for product inquiries, quotations, or technical support
Phone: 0086-15356205965
Email: nbse@nbse.com.cn
Location: Wuniu Industrial Zone, Wenzhou, China
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