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Mersen fuses for the protection of transformers and distribution lines deliver overload and short circuit protection. These current-limiting fuses will melt at current that can be as low as 1.7 times the fuse current ratings up to its maximum interrupting rating. These fuses are designed to withstand the transformer magnetizing inrush current. They are single, double, triple or quadruple barrels 3 inch diameter (size D) with end mounts designed for bolting directly to equipment bus or terminal pads.

Mersen's range of domestic service fuses is carefully engineered to respond effectively and reliably to the diverse needs encountered in customer switchboards, electricity control units, as well as residential and office buildings. This diversified range aims to provide optimum protection and secure management of the power supply, guaranteeing users peace of mind in the face of everyday electrical challenges.