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The sockets with interlock switch allow to work in total confidence as they permit the operation upon the switch only when the plug is fully inserted into the socket and its withdrowal is possible only when the switch is open, "0" position, therefore, all happens in condition of maximum safety.
The Isoblock and Compact series are equiped with a mechanical switch which ensures the controll and local insulating of parts of the plant or utilities in order to enable intervention on electrical circuits or machines, in total safety.
The Isoblock series with fuse protection, has the fuse holders under the front plate. They are accessible only when the switch is open and thus in total absence of voltage. The Compact series protection is determined by the mechanical switch.
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