| 摘要 |
A single-pole or multi-pole device (1) for low-voltage systems, in particular a circuit breaker or a disconnector, which comprises: an outer casing (2,2') containing for each pole at least one fixed contact and at least one mobile contact (3) that can be coupled to/uncoupled from one another; a rotating element (4), defined by a shaped body (5) comprising at least one seat (6) for each pole of said switch, said seat being designed to house at least one mobile contact of a corresponding pole; a control mechanism (7) operatively connected to said rotating element for enabling movement thereof; reinforcement elements (10,20,30,40,50) positioned in said at least one seat of said mobile contact.
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