1. The sealed circuit breaker is encapsulated by pouring epoxy resin outside the original vacuum bubble.

2. The sealed vacuum circuit breaker ensures creepage distance and insulation performance, so it is smaller and more space-saving. It can effectively protect the vacuum interrupter from impact and collision. It has strong resistance to environmental pollution and can be used in harsh environments. can be used.

3. The solid-sealed circuit breaker is also an abbreviation of what people call the solid-sealed pole circuit breaker. Solid-sealed circuit breakers are also vacuum circuit breakers. Compared with ordinary vacuum circuit breakers, the only difference is the packaging material. However, when it comes to deeper technical issues, there is a big difference between sealed circuit breakers and ordinary vacuum circuit breakers.