CDW3v series air circuit breaker has the most complete shell frame of the same series of products in the industry with 6 frames from 1600 to 6300AF to fully meet the requirements of customers for different current, breaking, size and wiring. The integration of international advanced technology platform products and domestic cost-effective platform products has been comprehensively upgraded, making customers experience high stability, ultra-high durability, strong protection, as well as exquisite size and super high cost performance.