It is an external neutral current transformer (ENCT) for Compact NSX160/250 equipped with Micrologic 5/6 trip unit. With 3P devices, the distributed neutral of the installation can be protected by installing this external sensor
The sensor rated current is from 150 A to 250 A
The ENCT must be connected to the Micrologic trip unit by a shielded twisted pair
The wiring maximum length is 10 m and the cross section is from 0.4 mm² to 1.5 mm².
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