This ancient case is about the single word Blake of the small distribution circuit breaker, and the detail is the single word label to prevent the flow of the wire focusing table.;The two walls of the single black (11) form a tripping hole (11a), the protruding part (13a) formed by the fixed contact platform (13) is combined with the side of the upper obstacle, and a small lane with a small row gland isolator is arranged for the inflow plate (11b) of the contact fuse It's single.
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