protection device for electrical panels for the insertion and the disinserzione in terruttori with safety measure.

摘要

1522488 Drawout-type electric switchboards MAGRIN GALILEO SpA 15 Aug 1975 [20 Aug 1974] 34027/75 Heading H1N A cubicle type drawout circuit-breaker switchboard has movable isolating shutters 4, 6 of the type described in Specification 1,464,944 and has one or more toroidally wound current transformer secondary windings 21, 22 mounted on the main apertured shutter 4 so as to be isolated from the line conductors 23 when the circuit breaker 1 is withdrawn.