The Universal Air Circuit Breaker (ACB) is designed for reliable power distribution in industrial and commercial applications. With a rated operational voltage of AC400/415/690V and current range from 400A to 6300A, this breaker ensures safe and efficient electrical system protection.

Available in both fixed and withdrawable configurations, our ACB meets IEC/EC 60947-2 standards and supports multiple communication protocols including Modbus, Profibus-DP and Device Net for seamless system integration.
The breaker operates effectively in temperatures ranging from -5°C to 40°C, with special consideration for humidity conditions. Its robust design withstands altitudes up to 2000m and complies with pollution grade 3 requirements.

Key protection features include intelligent controller functionality, pole N protection capability (for 4P and 3P+N models), and comprehensive short-circuit protection with Icu ratings up to 100kA at 400V.
The mechanical service life reaches 30,000 operations for maintained units, while electrical life varies from 300 to 6,500 operations depending on model and voltage. All units feature quick operating times with disjunction completed within 23-32ms.

Fantastic experience from start to finish. The delivery was incredibly prompt, arriving well ahead of the estimated schedule. The packaging was robust and secure, ensuring the product was in perfect condition upon arrival. The quality of the circuit breaker is immediately apparent; it feels solid, well-constructed, and meets all the specifications for commercial-grade equipment. The service provided was equally impressive. The communication was clear and professional, and any preliminary questions were answered quickly and thoroughly. The entire process was seamless and efficient. I am thoroughly satisfied with this purchase and would not hesitate to order again or recommend this supplier to others. The combination of fast logistics, top-tier product quality, and excellent customer support makes this a standout vendor in the industrial electrical space.
Excellent delivery speed; the package arrived much earlier than expected, which was a pleasant surprise. The product's build quality feels robust and durable, showing no signs of defects upon inspection. Customer service was highly responsive and helpful throughout the process, answering all my queries promptly. Overall, a very satisfying experience from start to finish.
I recently purchased the Low Voltage High Capacity Air Circuit Breaker and am thoroughly impressed with the overall experience. The shipping was incredibly fast and efficient, arriving well ahead of the estimated delivery date, which minimized any downtime for my commercial setup. The packaging was secure and professional, ensuring the product arrived in perfect condition without any damage. In terms of quality, the circuit breaker feels robust and well-manufactured, with solid construction that inspires confidence in its durability for industrial use. The materials used seem high-grade, and it integrates seamlessly into existing power distribution systems without any issues. Customer service was exceptional; the support team was responsive and helpful, promptly addressing my inquiries with clear, knowledgeable answers. They provided excellent guidance on installation and compliance, making the entire process smooth and stress-free. Overall, this purchase exceeded my expectations in logistics, product quality, and service, and I would highly recommend it to others in the commercial electrical sector.
Absolutely impressed with the delivery speed; the product arrived much faster than anticipated, which was a pleasant surprise. The packaging was secure and ensured everything was in perfect condition upon arrival. As for quality, the materials feel robust and well-made, giving confidence in its durability for commercial use. The customer service team was responsive and helpful, promptly addressing my inquiries with clear and friendly communication. Overall, a smooth and satisfying experience from start to finish.
Delivery was incredibly fast and efficient, arriving ahead of schedule without any delays. The packaging was secure and intact, ensuring the product was well-protected during transit. Quality-wise, the circuit breaker appears robust and well-manufactured, with no visible defects or issues upon inspection. Customer service was exceptional; the support team was responsive and helpful, addressing all my inquiries promptly and professionally. Overall, a very satisfactory experience that I would highly recommend to others.
Delivery was incredibly fast and well-handled, arriving ahead of schedule without any issues. The packaging was secure, ensuring the item reached me in perfect condition. Quality-wise, it feels robust and well-made, with no visible defects or concerns. Customer service was responsive and helpful, promptly addressing my inquiries. Overall, a smooth and satisfactory experience from start to finish.
The delivery was incredibly fast, arriving two days earlier than expected, which was a pleasant surprise. The packaging was secure and well-handled, ensuring the item reached me in perfect condition without any delays or damages. Regarding quality, the build feels robust and durable, with no visible defects or issues upon inspection. It appears to be made from high-grade materials that should hold up well over time. As for service, the support team was responsive and helpful, answering my queries promptly and professionally. They made the entire process smooth and hassle-free. Overall, I'm very satisfied with this purchase and would recommend it to others based on these aspects.
Never have I experienced such a seamless delivery process; the logistics were handled with impressive speed and precision, ensuring the item arrived ahead of schedule without any delays or damages. Not only was the packaging secure and professional, but the overall quality of the product exceeded my expectations, showcasing robust construction and reliable performance. Moreover, the customer service team was exceptionally responsive and helpful, providing clear updates and addressing my inquiries promptly, which made the entire transaction smooth and worry-free. I highly recommend this for anyone seeking dependable solutions in commercial electrical setups.
Shipping was incredibly fast and efficient, arriving well ahead of schedule. The quality of the circuit breaker appears robust and well-manufactured, with no visible defects upon inspection. Service from the seller was outstanding; they provided prompt responses to my inquiries and handled everything professionally. Overall, a very satisfying purchase experience that I would highly recommend to others.
Bought this air circuit breaker for our commercial setup, and I must say, the delivery was incredibly fast and well-handled. The product arrived securely packaged with no damage, which was a relief given its importance in our electrical systems. In terms of quality, it feels robust and well-manufactured, meeting the high standards we expect for industrial use. The customer service team was responsive and helpful throughout the ordering process, answering all my queries promptly. Overall, a smooth experience from start to finish.