我们想与贵公司开展合作，为贵公司提供配套的真空断路器和真空接触器。
We want to cooperate with your company for your company provide matching vacuum circuit breakers and vacuum contactors.
当继电器动作时，一个或多个接触器动作且给断路器的脱扣线圈通电，从而将断路器断开。
When the relay operates, one or more contacts will operate and energize a trip coil in a Circuit Breaker and trip (open) the Circuit Breaker.
用该材料制备的接触器、断路器外壳具有良好的阻燃性能及电绝缘性能，产品质量已得到了客户的认可。
The contactor and relay crusts made of this materials had good flame retardancy and electrical insulation, and its quality had been recognized by customer.
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