... Products according IEC60898 GB10963 standard. Characteristic IG45(DZ47)-63 DC circuit breaker is made up of case, operation mechanism, thermal ... system, arc system etc. It has overloading and short circuit protection, unique-design structure and strong permanent magnetism arc ... .we will check carefull before shipping the products, such as packing,quality.4.payment when make payment using ESCROW, your ...