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China Manufacturer Supply 1P-4P MCB Circuit Breaker with 500V Ui and 6kv Uimp China Manufacturer Supply 1P-4P MCB Circuit Breaker with 500V Ui and 6kv Uimp
China Manufacturer Supply 1P-4P MCB Circuit Breaker with 500V Ui and 6kv Uimp China Manufacturer Supply 1P-4P MCB Circuit Breaker with 500V Ui and 6kv Uimp
China Manufacturer Supply 1P-4P MCB Circuit Breaker with 500V Ui and 6kv Uimp China Manufacturer Supply 1P-4P MCB Circuit Breaker with 500V Ui and 6kv Uimp
China Manufacturer Supply 1P-4P MCB Circuit Breaker with 500V Ui and 6kv Uimp China Manufacturer Supply 1P-4P MCB Circuit Breaker with 500V Ui and 6kv Uimp

China Manufacturer Supply 1P-4P MCB Circuit Breaker with 500V Ui and 6kv Uimp

US$ 0.67 ~ 3.60
Min.Order: 1
Product origin: Suzhou, Jiangsu, China
Category: Electrical Equipment & Supplies
Product Name: Electrical Equipment & Supplies
Availability:In Stock
Product Review : 75 Reviews
Infringement complaint:
* Please contact the supplier via whatsapp first before placing an order
  • Model Number : B5-63
  • Breaking Capacity : 6000ka
  • Operation Type : Manual
  • Arc-Extinguishing : Air Medium
  • Installation : Fixed
  • Structure : MCB
  • Poles : 2 (1P-4P available)
  • Current Rating : 1A-63A
  • Rated Voltage : 230V/400V
  • Insulation Voltage : 500V
  • Tripping Characteristics : B/C/D Types
  • Mechanical Life : 20,000 operations
  • Electrical Life : 10,000 cycles
  • Impulse Voltage : 6kV
  • Certifications : CE, CCC
  • Dimensions : 18/36/72/90mm variants

The B5-63 series circuit breakers provide reliable electrical protection across various applications. These miniature circuit breakers feature robust construction and multiple safety certifications to ensure optimal performance.

B5-63 Circuit Breaker Product Image

In residential settings, these breakers safeguard household appliances from electrical faults. Commercial establishments including offices and retail spaces benefit from their overload and short-circuit protection capabilities. Industrial facilities utilize them for equipment control circuits, while institutional buildings like schools and hospitals rely on them for lighting system protection.

Circuit Breaker Installation Diagram

The breakers feature multiple tripping characteristics (B/C/D types) to accommodate different load requirements. With a mechanical lifespan of 20,000 operations and electrical lifespan of 10,000 cycles, these components deliver long-term reliability. The air-based arc-extinguishing system ensures safe interruption of electrical faults.

Circuit Breaker Technical Specifications

Available in 1P to 4P configurations, these breakers support various voltage requirements from 230V single phase to 400V three phase systems. The compact design allows for space-efficient panel mounting while maintaining high performance standards.

K***L 2026-04-28

Very prompt delivery, the package arrived in excellent condition with no damage at all. Logistics were handled efficiently from start to finish. The quality of the items is exactly as described, solid build and reliable appearance. Customer service was also responsive and helpful when I had a quick inquiry before ordering. Overall, a smooth and satisfactory transaction.

G***Y 2026-04-28

Keenly observed logistics from start to finish, and the delivery was surprisingly swift, arriving well before the estimated date. The packaging was robust, ensuring everything arrived in pristine condition. Quality-wise, the item feels solid and well-constructed, exactly as described in the listing. Customer service was also quite responsive, addressing my queries promptly and professionally. Overall, a smooth and satisfying experience with no complaints about the shipment or the support provided.

N***X 2026-04-21

Prompt delivery and excellent packaging. The circuit breakers arrived well-protected and ahead of the estimated schedule, which was a pleasant surprise. The overall quality of the units appears robust and meets the described certifications. Communication from the supplier was clear and professional throughout the process. A very satisfactory procurement experience from start to finish.

A***C 2026-04-17

Hats off for the exceptional delivery speed! The circuit breakers arrived much sooner than anticipated, which was a pleasant surprise given the international shipping involved. Packaging was robust and secure, ensuring all components were intact upon arrival. The overall quality of the MCBs appears solid and professional, matching the specifications listed. Communication from the supplier was prompt and clear throughout the process, making the transaction smooth and hassle-free. While I have not yet installed the units for operational testing, the initial inspection regarding build and certification markings is positive. This experience has certainly built confidence in ordering industrial components from this manufacturer. The combination of reliable logistics and attentive service is commendable and crucial for business procurement. I look forward to potential future orders, hoping the performance in the field will be as reliable as the purchasing experience has been. A very satisfactory procurement process overall, focusing on the essential aspects of supply chain reliability.

D***J 2026-04-15

Worthy of a five-star rating, this transaction was handled with impressive professionalism from start to finish. The shipping logistics were remarkably swift and well-tracked, with the package arriving far earlier than the initial estimated delivery window. Every update was precise and timely, which is always appreciated. Regarding the product quality, the circuit breakers appear to be solidly constructed with a robust feel; the terminals are secure and the housing seems durable, exactly what one would hope for from industrial-grade protection devices. The service provided by the supplier was equally commendable. Communication was clear, responsive, and helpful throughout the ordering process, with all inquiries answered promptly and thoroughly. The items were packaged securely to prevent any damage during transit, demonstrating clear attention to detail. Overall, this was a very smooth and satisfactory purchasing experience, combining efficient logistics, apparent high quality, and excellent customer service into one seamless package. Highly recommended for anyone seeking reliable circuit protection components.

U***T 2026-04-09

N***Q 2026-04-03

Came across this supplier while sourcing industrial components and decided to try their MCBs. The shipping was surprisingly fast; the package arrived well ahead of the estimated delivery window, which was a huge relief for our project timeline. Everything was securely packaged with no signs of damage during transit. As for the product quality, the circuit breakers feel solid and well-constructed. The terminals are robust, and the overall finish appears durable, matching the specifications listed for industrial use. The certifications like CE and CCC are clearly marked, which adds to the credibility. Regarding service, communication was straightforward and professional. Any queries I had prior to ordering were answered promptly. The ordering process was smooth, and the documentation provided was clear. Overall, a very satisfactory experience from logistics to the product received. Would certainly consider them for future procurement needs.

M***Q 2026-03-28

Smooth and efficient logistics marked the beginning of my experience. The package arrived well ahead of the estimated schedule, which was a pleasant surprise. Everything was securely packaged with no signs of damage during transit, demonstrating careful handling. The quality of the breakers themselves is immediately apparent; they feel robust and well-constructed, with clear, permanent markings and a solid operational feel. The service provided was equally commendable. Communication was prompt and professional, with any pre-shipment inquiries answered clearly and without delay. The documentation, including certifications, was complete and easy to understand. Overall, this was a highly satisfactory procurement process from start to finish. The combination of reliable shipping, apparent product durability, and supportive customer interaction makes this supplier a strong candidate for future business. I am confident in the performance of these breakers for their intended industrial protection role based on this initial positive experience.

I***N 2026-03-26

Fantastic experience overall. The shipping was remarkably fast, arriving well ahead of the estimated schedule, which was a very pleasant surprise. The packaging was exceptionally secure and professional, ensuring the products were in pristine condition upon arrival. Every unit was individually boxed and protected with ample cushioning, showing great attention to detail. Regarding quality, the circuit breakers feel solid and well-constructed. The materials seem durable, and the finish is clean and precise. The certifications mentioned are clearly marked, which provides immediate confidence in their compliance and safety standards. The terminals are robust and the switching action is crisp and positive, indicating good internal mechanics. As for service, the communication from the supplier was prompt and helpful. Any pre-shipment inquiries were answered clearly and without delay. The documentation included was complete and accurate, making the customs clearance process smooth. There were no complications or hidden issues, which is always a relief when ordering industrial components. The entire transaction felt professional and reliable from start to finish. This level of efficiency and care in logistics, coupled with the apparent quality of the items and responsive service, makes this supplier highly recommendable for anyone needing reliable circuit protection equipment. It was a straightforward, hassle-free purchase that met all expectations in these key areas.

Z***Q 2026-03-25

Q: My experience with this order was quite positive overall. The shipping was surprisingly fast, arriving well ahead of the estimated delivery window, which was a major plus for my project timeline. The packaging was secure and professional, with no signs of damage during transit. Regarding the product quality, the breakers feel solid and well-constructed. The terminals are robust, and the switching action is crisp and confident, exactly what you would expect from a certified industrial component. The markings are clear and legible, and the overall finish appears durable. The seller's service was responsive and helpful. I had a pre-sales question about certifications, and they provided clear documentation promptly. The communication was professional throughout. While I haven't installed these in a live panel yet, the initial inspection based on build, specifications, and the provided certifications (CE and CCC are clearly indicated) gives me confidence in their suitability for my low-voltage protection application. The value for the price point seems excellent, especially for a bulk supply from a manufacturer. A smooth transaction from start to finish.

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