The circuit breaker has been assembled and debugged in the factory and passed the test. For the convenience of product packaging, it is decomposed into single machine assembly parts. Each pole of the circuit breaker must be assembled according to the factory number and logo.<br> Installation of supports and beams:<br> The foundation load of the circuit breaker should meet the design requirements, and the layout size of the anchor bolts should meet the requirements of the drawings, in which the foundation levelness of the mounting bracket is not greater than the standard requirements.<br> Installation of spring mechanism:
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