Earth Leakage Add-on Block
The differential protections ensure the protection of installations, people and equipment. As a general rule, they are mandatory in the residential sector where they play a role in protecting people and animals from electrocution. In industry, when it is necessary to prevent the protection of passageways to the mass. When choosing these devices, it is necessary to define the number of poles, the phase-to-current gauge and the sensitivity, from the most sensitive 10 and 30Ma to the widest 300 or 500Ma.
The differential protections ensure the protection of installations, people and equipment. As a general rule, they are mandatory in the residential sector where they play a role in protecting people and animals from electrocution. In industry, when it is necessary to prevent the protection of passageways to the mass. When choosing these devices, it is necessary to define the number of poles, the phase-to-current gauge and the sensitivity, from the most sensitive 10 and 30Ma to the widest 300 or 500Ma.
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