求翻译：○执行断路手柄折断、触头粘接或负载故障(过载、短路)时自动转换开关不切换，真正实现机电联锁。是什么意思？

0 perform circuit breaker handles broken, contact adhesive or load failure (overload, short-circuit) automatic transfer switch when not switch, realizing mechanical and electrical interlocks.