联锁机构安装在断路器上，避免断路器在“接通”位置上柜体小室门打开。
The interlock device is mounted on the circuit breaker to prevent the cubicle door from being opened when the circuit breaker is in the connected position.
联锁机构安装在断路器上，避免断路器在“接通”位置上柜体小室门打开。
The interlock device is mounted on the circuit breaker to prevent the cubicle door from being opened when the circuit breaker is in the connected position.
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