Finally, after the universal circuit breaker performs the closing action, whether it is a release device such as undervoltage and shunt, or the O button on the mask, or the trip test function on the intelligent release device, it can be cut off.
When maintaining the universal circuit breaker, the contact system should be checked, and the smoke traces on the contacts should be wiped clean.
Using environmentally friendly materials, the new generation of molded case circuit breakers fully considers the protection of the environment in the entire process from design, manufacture to use, and prevents toxic and harmful substances from polluting the environment.
It can be mainly divided into 4 types, including XT1, XT2, XT3, XT4. The maximum frame current can reach 250A. At the same time, the number of poles of the ABB MCCB Tmax XT series can be divided into 3 poles and 4 poles. According to the installation method It can be divided into fixed type, plug-in type and withdrawable type.
Electrical circuit breakers are the most common protectors in electrical equipment, which can protect electrical appliances under conditions such as short circuit, voltage loss, overload, and fuse. Circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to their scope of use.
Opening of the circuit breaker: Simply put, the opening of the circuit breaker can be completed by adding the voltage of DC_220V to both ends of the Y2 of the circuit breaker opening release.
ABB circuit breakers are widely used in industrial fields. It has played a good role in protecting those complex systems and electronic circuits. Installing abb circuit breakers can effectively prevent failures. It can quickly restore and operate conditions. Provide a best solution, so ABB circuit breakers have a very important position in the industry.
Another kind of electrical interlock is to use the linkage auxiliary contact (normally open or normally closed) on the distance switch operating mechanism to control the circuit breaker.
ABB-F circuit breakers have been on the market for 30 years. They were officially delisted in 2012, but they are still widely used in the market. Due to the early delisting, they are relatively easy to use. A large number of markets, and there are still many on the market.
circuit currents. VD4 vacuum circuit breaker is the most used product in the current medium and high voltage power distribution, whether it can maintain high reliability is more and more attention by the majority of users.
