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The Niglon MS4CBR-250TSM is a 250A four-pole CBR (MCCB with integral RCD) supplied ready-mounted in an IP30 mild-steel enclosure. It provides overload, short-circuit and earth-fault protection for three-phase main and sub-main distribution in a wall-mounting enclosed unit.
The CBR offers an adjustable earth-fault threshold (100 / 300 / 500mA) with adjustable time delay and adjustable thermal release, housed in a robust mild-steel enclosure for surface mounting.
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