Account
Inquiry
Three-phase transformer feeding an entire production floor—that’s where this piece gets bolted in, power fast when a downstream motor shorts or an overload creeps up on the line.
We’re talking 630A all the way up to 6300A, so for the big factories running continuous process lines it’s basically the main disconnect; the energy-storage mechanism means you get consistent closing speed every time, not that manual lever nonsense that varies with whoever’s pulling.
At 400V the breaking capacity hits 120kA—that’s enough to handle most substation-level faults, and the full breaking time is 20–30ms (check the test report on your specific frame size, though, because the 6300A unit tends toward the slower end).
CE, CB, CCC, and ISO9001 stamped on side, and it’s designed to meet both IEC60947-2 and GB14048.2, so for any export builds or local compliance audits you’re covered; the impulse withstand votage is 8000V, which matters if you’ve got lightning-prone regions or switching transients from big transformers.
500 to 1000 electrical operations is the standard range—better than reagent-grade contacts for this kind of duty—but if you’re cycling it daily for a year you’ll want to budget for a spare set of arc chambers, because those wear faster than the mechanical bits (5000 to 10000 operations on the mechanics).
It’s not really suited for low-rise residential panels or small commerical shops—teh physical size and the draw-out installation are overkill, but for industiral plants where uptime is critical, most buyers go with the fixed version for simpler wiring.
It comes in 3-pole and 4-pole versions, so you can pick based on your system's grounding and protection needs.
MOQ typically starts at 1 unit for sample orders, but for bulk production runs it's usually 10 pieces per model. We can discuss based on your needs.
Yes, it's certified with CE, CB, CCC, and ISO9001, so it meets international and Chinese standards for factory use.
Absolutely. We offer both fixed and draw-out installation types, so you can choose based on how easy you need maintenance or replacement to be.
For standard models, lead time is around 15-20 working days. Custom specs or larger quantities might take a bit longer, but we'll confirm when you order.
Just received my order for the QDW3 Universal Air Circuit Breaker. The delivery was incredibly prompt and efficient, arriving well ahead of the estimated schedule. The packaging was robust and secure, ensuring the product was in perfect condition upon arrival. Regarding quality, the build feels exceptionally solid and professional, exactly as described for industrial applications. The service from the supplier was outstanding; they were responsive and helpful throughout the process. Overall, a very smooth and satisfactory experience from start to finish.
Outstanding experience from start to finish. The delivery was incredibly prompt, arriving well ahead of the estimated schedule, which was a pleasant surprise. The packaging was robust and secure, ensuring the product arrived in perfect condition without any signs of damage. Regarding quality, the unit feels exceptionally solid and well-manufactured, with a premium finish that inspires confidence in its durability and performance. The service provided was equally impressive; the support team was responsive and helpful, answering all preliminary queries with clarity and professionalism. Overall, a seamless transaction that exceeded expectations in logistics, product integrity, and customer care. Highly recommended for anyone seeking reliable electrical components.
Unbelievably fast shipping! The order was processed and dispatched with incredible speed, arriving well ahead of the estimated delivery window. The packaging was exceptionally secure and professional, with all components individually protected to prevent any transit damage. Upon inspection, the build quality of the unit is immediately apparent; it feels robust, well-engineered, and precisely manufactured. The finish and materials used seem top-notch, exactly as one would expect for industrial-grade equipment. Communication from the seller was proactive and clear throughout the entire process, providing timely updates without needing to be prompted. Any preliminary questions I had were answered promptly and thoroughly by their support team, who were knowledgeable and courteous. The overall service experience was seamless from start to finish. While I cannot comment on the specific electrical performance or installation parameters yet, the initial impressions regarding the physical product and the transactional experience are overwhelmingly positive. The logistical efficiency was particularly impressive, ensuring the item reached its destination without any delays or complications. This level of attention to detail in shipping, coupled with the evident quality of the item itself and the excellent customer service, makes for a highly satisfactory purchasing experience. I would confidently recommend this supplier based on these aspects alone.
I am thoroughly impressed with the shipping speed for this order. The package arrived much earlier than the initial estimated delivery date, which was a very pleasant surprise. The courier service was efficient and the tracking information provided was accurate and updated in real-time, allowing me to plan for the receipt. Regarding the product itself, the build quality appears exceptional right out of the box. The components feel solid, well-machined, and the overall construction inspires confidence for its intended industrial application. The packaging was also superb, with ample protective materials ensuring the unit arrived in perfect condition without any scratches or damage. As for customer service, my pre-sales inquiry was handled promptly and professionally. The representative was knowledgeable about the product specifications and provided clear, helpful information that assisted in my decision-making process. The post-sale communication has been equally satisfactory, with quick responses to my logistical questions. This overall experience, from the swift logistics to the evident product quality and supportive service, has been highly positive and meets the standard I expect for professional electrical components.
My experience with the shipping for this order was exceptionally smooth and prompt. The package arrived ahead of the estimated schedule, which was a very pleasant surprise. Everything was packaged with great care, ensuring the product was perfectly secure and protected during transit. There were no delays or complications, and the tracking information provided was accurate and updated regularly. Regarding the quality, the item appears to be very robust and well-manufactured. The build feels solid and durable, exactly as one would hope for from such a component. All the parts seem to fit together precisely, and the finish is professional. It gives a strong impression of reliability and longevity, which is crucial for its intended application. The service provided by the seller was outstanding from start to finish. Communication was clear, timely, and very helpful. Any inquiries I had were addressed quickly and thoroughly with a polite and professional tone. The overall purchasing process was straightforward and hassle-free. This combination of efficient logistics, apparent high quality, and excellent customer support made for a very satisfactory transaction. I felt well-informed and valued as a customer throughout. While I cannot comment on the specific performance or technical parameters of the product itself at this time, based on the packaging, presentation, and the seller’s conduct, I have a very positive initial impression. The entire experience inspires confidence in both the product and the company behind it. I would certainly consider purchasing from this seller again in the future based on this experience alone.
Very efficient and professional service from start to finish. The logistics were handled exceptionally well; the package arrived ahead of the estimated schedule, which was a pleasant surprise. The item was securely packaged with no signs of damage during transit. Regarding quality, the product appears to be robust and well-manufactured, meeting the expected standards for industrial components. The overall service experience was smooth, with clear communication throughout the ordering and shipping process. I am satisfied with this transaction and would consider purchasing from this supplier again for similar needs. The attention to detail in both the product presentation and the delivery process is commendable.
Outstanding experience from start to finish. The delivery was remarkably prompt, arriving well ahead of the estimated schedule. The packaging was exceptionally secure and professional, ensuring the product was in perfect condition upon arrival. Regarding quality, the construction feels robust and precisely engineered, with a solid heft and finish that inspires immediate confidence. It clearly meets the high standards one would expect for industrial components. Customer service was equally impressive; the communication was clear, proactive, and helpful throughout the entire process. Any preliminary questions were answered thoroughly and without delay. The overall transaction was seamless, efficient, and completely satisfactory. This level of performance in logistics, product integrity, and support is precisely what is needed for critical factory applications. Highly recommended for anyone seeking reliable power distribution equipment backed by a trustworthy supplier.
Hassle-free delivery was the first thing I noticed; the shipping was remarkably fast and the item arrived well-packaged and secure. Handling was straightforward, and the overall logistics experience was smooth and reliable. Regarding quality, the product feels robust and well-constructed, meeting expectations for industrial-grade components. The service aspect was equally satisfactory, with clear communication and no complications throughout the process. This efficient handling from order to delivery made the entire transaction pleasant and trustworthy. I am content with the seamless experience and would consider purchasing again based on this positive interaction. The attention to detail in packaging and the prompt updates contributed significantly to a stress-free acquisition. Overall, a very professional and commendable service that prioritizes customer convenience and product integrity.
Just received my order for the QDW3 Universal Air Circuit Breaker. The entire experience was remarkably smooth and positive, primarily due to the outstanding logistics. The shipping was incredibly fast, far exceeding my initial expectations. The package arrived well ahead of the estimated delivery window, which was a very pleasant surprise. It was also packaged with exceptional care; the product was securely nestled in high-quality, protective materials within a sturdy box, showing no signs of damage or mishandling during transit. The courier service was professional, and tracking updates were precise and timely, allowing me to plan for the receipt without any guesswork. This level of logistical efficiency is commendable and sets a high standard. Regarding the product itself, the build quality is immediately apparent and truly impressive. Upon unboxing, the breaker feels solid, robust, and meticulously manufactured. The materials used seem to be of a high grade, with a finish that speaks to durability and precision engineering. All components are securely fitted, and there are no loose parts or cosmetic flaws. It clearly aligns with the promised specifications for industrial use, giving me immediate confidence in its reliability for power distribution applications. The overall craftsmanship suggests a product built to last and perform under demanding conditions. The service aspect of this transaction was equally exceptional. From the initial inquiry to the post-delivery follow-up, the communication was clear, prompt, and highly professional. Any questions I had were addressed thoroughly and courteously without delay. The entire process felt seamless and customer-centric. The combination of rapid, secure delivery, superior physical quality, and attentive, helpful service made this a flawless purchasing experience. I am thoroughly satisfied and would not hesitate to recommend this supplier based on this outstanding performance across all key areas of logistics, product quality, and customer service.
