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.

Fast delivery and flawless packaging ensured the unit arrived in perfect condition. The logistics team provided real-time tracking and kept me updated throughout the entire shipping process. Upon arrival, the build quality immediately stood out—solid construction and a professional finish that inspires confidence. Customer service was exceptionally responsive; my pre-purchase questions were answered within hours, and they even followed up after delivery to confirm everything was satisfactory. The ordering process was smooth, and the documentation provided was clear and comprehensive. Overall, this has been a hassle-free experience from start to finish. I appreciate the attention to detail in both the product presentation and the support provided. For anyone seeking a reliable component for commercial electrical systems, this supplier delivers on their promises. Highly recommended for their professionalism and efficiency.
I initially had some concerns about the shipping timeline, but the logistics team handled everything exceptionally well. The package arrived securely and ahead of the revised schedule, which was a pleasant surprise. The communication regarding the shipment status was clear and consistent, making the entire process transparent and stress-free. Regarding the product itself, the build quality is immediately apparent. It feels robust and well-engineered, with solid construction that inspires confidence for its intended commercial application. The finish and attention to detail in the manufacturing are commendable. As for the service aspect, the support provided was outstanding. The representatives were knowledgeable, responsive, and went out of their way to ensure all pre-delivery inquiries were addressed thoroughly and patiently. They demonstrated a genuine commitment to customer satisfaction. Overall, this was a very positive experience from start to finish, marked by reliable logistics, a high-quality product, and exemplary service.
My experience with this order was primarily defined by the logistics, which were handled exceptionally well. The shipping was prompt, and the package arrived ahead of the estimated schedule, which was a pleasant surprise. The item was securely packaged with ample protective materials, ensuring it reached me in perfect condition without any signs of damage during transit. The tracking information provided was accurate and updated regularly, allowing me to monitor the shipment's progress with ease. Regarding the product quality, upon initial inspection, the circuit breaker appears to be robust and well-manufactured, meeting the specifications outlined. The build quality seems solid, and the components look durable, which is crucial for industrial applications. As for customer service, the support team was responsive and helpful when I had a query about the delivery timeline. They provided clear and timely answers, which enhanced the overall purchasing experience. While I cannot comment on the technical performance or installation specifics yet, the aspects of delivery, packaging, and initial product impression are highly satisfactory. The seller demonstrated professionalism and efficiency in these areas, making the process smooth and reliable. I appreciate the attention to detail in ensuring the product was delivered safely and on time. This level of service and quality presentation sets a positive tone for future interactions and potential use in commercial settings. Overall, a very positive experience from a logistical and service perspective, with the product appearing to be of good quality based on visual and manual inspection.
Just received my order and I am thoroughly impressed with the overall experience. The delivery was incredibly fast and efficient, arriving well ahead of the estimated schedule. The packaging was secure and professional, ensuring the product arrived in perfect condition without any damage. Regarding the quality, the construction feels robust and durable, exactly as described. The service provided was exceptional; the support team was responsive and helpful throughout the entire process. I highly recommend this seller for their reliability and commitment to customer satisfaction. This has been a seamless transaction from start to finish.
Communication from the seller was clear and timely, which made the entire process smooth. The item arrived securely packaged, with no signs of damage during transit. The build quality appears robust and meets the specifications outlined. Overall, a satisfactory experience from order to delivery.
Yikes, the shipping was incredibly fast! I was pleasantly surprised when the order arrived ahead of schedule. The packaging was robust and secure, ensuring the product was well-protected during transit. Regarding the build quality, it feels exceptionally solid and well-manufactured. The materials used seem top-notch, and the overall construction inspires confidence for industrial use. As for customer service, the support team was responsive and helpful when I had a pre-sale inquiry. They provided clear information promptly. Overall, a very smooth experience from start to finish. The product appears to meet high standards, and the logistical execution was flawless. I am satisfied with this purchase and the company’s professionalism. It’s reassuring to deal with a supplier that handles both the product and the process with such care. Definitely a positive experience worth noting for others in the commercial electrical field.
Brisk delivery was the first thing that impressed me. The shipping was remarkably fast, arriving well ahead of the estimated schedule, which was crucial for our project timeline. The packaging was exceptionally secure and professional, with robust materials ensuring the unit was completely protected in transit. Upon unboxing, the build quality is immediately apparent. The unit feels solid, well-constructed, and the finish is precise, reflecting high manufacturing standards. It has a substantial, reliable feel that inspires confidence for commercial electrical applications. The overall presentation and initial inspection suggest excellent durability. Regarding service, the communication from the seller was proactive and clear. Any pre-shipment inquiries were answered promptly and thoroughly. The process was seamless from order to delivery. This combination of efficient logistics, apparent superior craftsmanship, and attentive support makes for a highly satisfactory purchasing experience. I am very pleased with the transaction and the initial impression of the product’s physical attributes.
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.