| 摘要 |
Screw cover for an electrical apparatus, consisting of a plate 36 which can be fixed to the face of the moulded casing and through which the screw heads are accessible. The screw cover 36 is locked by a locking clip 40 which can be topped off with a hinged hood 44. The screw cover 36 has an extension 52 topping off the screw heads of an auxiliary unit, in particular for differential protection, adjoining the circuit breaker unit 10. <IMAGE>
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